Merge branch develop into 2025.06

# Conflicts:
#	indra/newview/llvoavatar.cpp

129 files changed, 5108 insertions, 1760 deletions

diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index f06ee36ad4..5274986ff0 100644
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -15,6 +15,9 @@ include(CMakeCopyIfDifferent)
 include(CubemapToEquirectangularJS)
 include(DBusGlib)
 include(DragDrop)
+if (USE_DISCORD)
+  include(Discord)
+endif ()
 include(EXPAT)
 include(Hunspell)
 include(JPEGEncoderBasic)
@@ -76,6 +79,7 @@ set(viewer_SOURCE_FILES
     gltf/accessor.cpp
     gltf/primitive.cpp
     gltf/animation.cpp
+    gltf/llgltfloader.cpp
     groupchatlistener.cpp
     llaccountingcostmanager.cpp
     llaisapi.cpp
@@ -178,11 +182,11 @@ set(viewer_SOURCE_FILES
     llflexibleobject.cpp
     llfloater360capture.cpp
     llfloaterabout.cpp
+    llfloateravatarwelcomepack.cpp
     llfloaterbvhpreview.cpp
     llfloateraddpaymentmethod.cpp
     llfloaterauction.cpp
     llfloaterautoreplacesettings.cpp
-    llfloateravatar.cpp
     llfloateravatarpicker.cpp
     llfloateravatarrendersettings.cpp
     llfloateravatartextures.cpp
@@ -748,6 +752,7 @@ set(viewer_HEADER_FILES
     gltf/buffer_util.h
     gltf/primitive.h
     gltf/animation.h
+    gltf/llgltfloader.h
     llaccountingcost.h
     llaccountingcostmanager.h
     llaisapi.h
@@ -851,11 +856,11 @@ set(viewer_HEADER_FILES
     llflexibleobject.h
     llfloater360capture.h
     llfloaterabout.h
+    llfloateravatarwelcomepack.h
     llfloaterbvhpreview.h
     llfloateraddpaymentmethod.h
     llfloaterauction.h
     llfloaterautoreplacesettings.h
-    llfloateravatar.h
     llfloateravatarpicker.h
     llfloateravatarrendersettings.h
     llfloateravatartextures.h
@@ -1570,6 +1575,7 @@ if (WINDOWS)
         res-sdl/ll_icon.BMP
         res/ll_icon.BMP
         res/ll_icon.ico
+        res/ll_icon_small.ico
         res/resource.h
         res/toolpickobject.cur
         res/toolpickobject2.cur
@@ -1785,6 +1791,12 @@ if (WINDOWS)
                )
     endif (ADDRESS_SIZE EQUAL 64)
 
+    if (TARGET ll::discord_sdk)
+        list(APPEND COPY_INPUT_DEPENDENCIES
+             ${SHARED_LIB_STAGING_DIR}/discord_partner_sdk.dll
+             )
+    endif ()
+
     if (TARGET ll::openal)
       list(APPEND COPY_INPUT_DEPENDENCIES
            ${SHARED_LIB_STAGING_DIR}/OpenAL32.dll
@@ -1801,6 +1813,7 @@ if (WINDOWS)
         --arch=${ARCH}
         --artwork=${ARTWORK_DIR}
         "--bugsplat=${BUGSPLAT_DB}"
+        "--discord=${USE_DISCORD}"
         "--openal=${USE_OPENAL}"
         "--tracy=${USE_TRACY}"
         --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -1839,6 +1852,7 @@ if (WINDOWS)
             --arch=${ARCH}
             --artwork=${ARTWORK_DIR}
             "--bugsplat=${BUGSPLAT_DB}"
+            "--discord=${USE_DISCORD}"
             "--openal=${USE_OPENAL}"
             "--tracy=${USE_TRACY}"
             --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -1903,6 +1917,7 @@ if (WINDOWS)
               --arch=${ARCH}
               --artwork=${ARTWORK_DIR}
               "--bugsplat=${BUGSPLAT_DB}"
+              "--discord=${USE_DISCORD}"
               "--openal=${USE_OPENAL}"
               "--tracy=${USE_TRACY}"
               --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -1998,6 +2013,10 @@ target_link_libraries(${VIEWER_BINARY_NAME}
         ll::openxr
         )
 
+if (USE_DISCORD)
+   target_link_libraries(${VIEWER_BINARY_NAME} ll::discord_sdk )
+endif ()
+
 if( TARGET ll::intel_memops )
    target_link_libraries(${VIEWER_BINARY_NAME} ll::intel_memops )
 endif()
@@ -2054,6 +2073,7 @@ if (LINUX)
         --arch=${ARCH}
         --artwork=${ARTWORK_DIR}
         "--bugsplat=${BUGSPLAT_DB}"
+        "--discord=${USE_DISCORD}"
         "--openal=${USE_OPENAL}"
         "--tracy=${USE_TRACY}"
         --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -2082,6 +2102,7 @@ if (LINUX)
       --arch=${ARCH}
       --artwork=${ARTWORK_DIR}
       "--bugsplat=${BUGSPLAT_DB}"
+      "--discord=${USE_DISCORD}"
       "--openal=${USE_OPENAL}"
       "--tracy=${USE_TRACY}"
       --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -2158,6 +2179,7 @@ if (DARWIN)
       --arch=${ARCH}
       --artwork=${ARTWORK_DIR}
       "--bugsplat=${BUGSPLAT_DB}"
+      "--discord=${USE_DISCORD}"
       "--openal=${USE_OPENAL}"
       "--tracy=${USE_TRACY}"
       --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -2193,6 +2215,7 @@ if (DARWIN)
               --arch=${ARCH}
               --artwork=${ARTWORK_DIR}
               "--bugsplat=${BUGSPLAT_DB}"
+              "--discord=${USE_DISCORD}"
               "--openal=${USE_OPENAL}"
               "--tracy=${USE_TRACY}"
               --build=${CMAKE_CURRENT_BINARY_DIR}
diff --git a/indra/newview/VIEWER_VERSION.txt b/indra/newview/VIEWER_VERSION.txt
index 6329380f96..0ee843cc60 100644
--- a/indra/newview/VIEWER_VERSION.txt
+++ b/indra/newview/VIEWER_VERSION.txt
@@ -1 +1 @@
-7.1.15
+7.2.0
diff --git a/indra/newview/app_settings/commands.xml b/indra/newview/app_settings/commands.xml
index 4a3dfffde1..7bcfecf9fa 100644
--- a/indra/newview/app_settings/commands.xml
+++ b/indra/newview/app_settings/commands.xml
@@ -26,9 +26,9 @@
            label_ref="Command_Avatar_Label"
            tooltip_ref="Command_Avatar_Tooltip"
            execute_function="Floater.ToggleOrBringToFront"
-           execute_parameters="avatar"
+           execute_parameters="avatar_welcome_pack"
            is_running_function="Floater.IsOpen"
-           is_running_parameters="avatar"
+           is_running_parameters="avatar_welcome_pack"
            />
   <command name="build"
            available_in_toybox="true"
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 8a8b107b76..f4158188ad 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -2,7 +2,7 @@
 <llsd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:noNamespaceSchemaLocation="llsd.xsd">
 <map>
-  <key>ImporterDebug</key>
+  <key>ImporterDebugVerboseLogging</key>
   <map>
     <key>Comment</key>
     <string>Enable debug output to more precisely identify sources of import errors. Warning: the output can slow down import on many machines.</string>
@@ -27,7 +27,7 @@
   <key>ImporterModelLimit</key>
   <map>
     <key>Comment</key>
-    <string>Limits amount of importer generated models for dae files</string>
+    <string>Limits amount of importer generated (when over 8 faces) models for dae and gltf files</string>
     <key>Persist</key>
     <integer>1</integer>
     <key>Type</key>
@@ -35,6 +35,17 @@
     <key>Value</key>
     <integer>768</integer>
   </map>
+  <key>ImporterDebugMode</key>
+  <map>
+    <key>Comment</key>
+    <string>At 0 does nothing, at 1 dumps skinning data near orifinal file, at 2 dumps skining data and positions/weights of first 5 models, at 3 dumps skinning data and models as llsd</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>U32</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
   <key>ImporterPreprocessDAE</key>
   <map>
     <key>Comment</key>
@@ -621,16 +632,16 @@
       <key>Value</key>
       <real>16.0</real>
     </map>
-    <key>AvatarPickerURL</key>
+    <key>AvatarWelcomePack</key>
     <map>
-      <key>Comment</key>
-      <string>Avatar picker contents</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>String</string>
-      <key>Value</key>
-      <string>http://lecs-viewer-web-components.s3.amazonaws.com/v3.0/[GRID_LOWERCASE]/avatars.html</string>
+        <key>Comment</key>
+        <string>Avatar Welcome Pack contents</string>
+        <key>Persist</key>
+        <integer>1</integer>
+        <key>Type</key>
+        <string>String</string>
+        <key>Value</key>
+        <string>http://lecs-viewer-web-components.s3.amazonaws.com/v3.0/[GRID_LOWERCASE]/vawp/index.html</string>
     </map>
     <!--AvatarBakedTextureUploadTimeout is in use by QA-->
     <key>AvatarBakedTextureUploadTimeout</key>
@@ -1139,6 +1150,39 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+    <key>EnableDiscord</key>
+    <map>
+      <key>Comment</key>
+      <string>When set, connect to Discord to enable Rich Presence</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
+    <key>ShowDiscordActivityDetails</key>
+    <map>
+      <key>Comment</key>
+      <string>When set, show avatar name on Discord Rich Presence</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
+    <key>ShowDiscordActivityState</key>
+    <map>
+      <key>Comment</key>
+      <string>When set, show location on Discord Rich Presence</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
     <key>EnableDiskCacheDebugInfo</key>
     <map>
       <key>Comment</key>
@@ -1153,13 +1197,13 @@
     <key>DiskCachePercentOfTotal</key>
     <map>
       <key>Comment</key>
-      <string>The percent of total cache size (defined by CacheSize) to use for the disk cache</string>
+      <string>The percent of total cache size (defined by CacheSize) to use for the disk cache (ex: asset storage, excludes textures)</string>
       <key>Persist</key>
       <integer>1</integer>
       <key>Type</key>
       <string>F32</string>
       <key>Value</key>
-      <real>40.0</real>
+      <real>35.0</real>
     </map>
     <key>DiskCacheDirName</key>
     <map>
@@ -1203,7 +1247,7 @@
       <key>Type</key>
       <string>U32</string>
       <key>Value</key>
-      <integer>4096</integer>
+      <integer>6144</integer>
     </map>
     <key>CacheValidateCounter</key>
     <map>
@@ -9606,6 +9650,17 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+    <key>ObscureBalanceInStatusBar</key>
+    <map>
+        <key>Comment</key>
+        <string>If true, balance will be shows as '*'</string>
+        <key>Persist</key>
+        <integer>1</integer>
+        <key>Type</key>
+        <string>Boolean</string>
+        <key>Value</key>
+        <integer>0</integer>
+    </map>
     <key>RenderUIBuffer</key>
     <map>
       <key>Comment</key>
@@ -11499,6 +11554,28 @@
       <key>Value</key>
       <string>fss.txt</string>
     </map>
+    <key>StatsFrametimeSampleSeconds</key>
+    <map>
+        <key>Comment</key>
+        <string>The number of seconds to sample extended frametime data (percentiles, stddev).</string>
+        <key>Persist</key>
+        <integer>1</integer>
+        <key>Type</key>
+        <string>S32</string>
+        <key>Value</key>
+        <integer>5</integer>
+    </map>
+    <key>StatsFrametimeEventThreshold</key>
+    <map>
+        <key>Comment</key>
+        <string>The percentage that the frametime difference must exceed in order to register a frametime event. 0.1 = 10%, 0.25 = 25%, etc.</string>
+        <key>Persist</key>
+        <integer>1</integer>
+        <key>Type</key>
+        <string>F32</string>
+        <key>Value</key>
+        <real>0.1</real>
+    </map>
     <key>SystemLanguage</key>
     <map>
       <key>Comment</key>
@@ -13731,7 +13808,7 @@
     <key>FullScreen</key>
     <map>
       <key>Comment</key>
-      <string>run a fullscreen session</string>
+      <string>Run a fullscreen session. MacOS not supported</string>
       <key>Persist</key>
       <integer>1</integer>
       <key>Type</key>
@@ -16267,5 +16344,71 @@
         <key>Value</key>
         <integer>1</integer>
     </map>
+    <key>MediaAutoPlayHuds</key>
+    <map>
+        <key>Comment</key>
+        <string>Automatically play HUD media</string>
+        <key>Persist</key>
+        <integer>1</integer>
+        <key>Type</key>
+        <string>Boolean</string>
+        <key>Value</key>
+        <integer>1</integer>
+    </map>
+    <key>MediaFirstClickInteract</key>
+    <map>
+      <key>Comment</key>
+      <string>This setting controls which media (once loaded) does not require a first click to focus before interaction can begin. This allows clicks to be passed directly to media bypassing the focus click requirement. This setting is a bitfield, precomputed values are as follows: Disabled=0; Worn HUDs only=1; Owned objects=2; Friend objects=4; Group objects=8; Landowner objects=16; Any object=32767; All MOAP=32768. For complete details see lltoolpie.h enum MediaFirstClickTypes.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>S32</string>
+      <key>Value</key>
+      <integer>31</integer>
+    </map>
+    <key>EnableSelectionHints</key>
+    <map>
+      <key>Comment</key>
+      <string>Whether or not to send editing hints to animate the arm when editing an object.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
+    <key>EnableLookAtTarget</key>
+    <map>
+      <key>Comment</key>
+      <string>Whether or not to animate the avatar head and send look at targets when moving the cursor or focusing on objects</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
+    <key>LimitLookAtTarget</key>
+    <map>
+      <key>Comment</key>
+      <string>Whether or not to clamp the look at targets around the avatar head before sending</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
+    <key>LimitLookAtTargetDistance</key>
+    <map>
+      <key>Comment</key>
+      <string>Distance to limit look at target to</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <integer>2</integer>
+    </map>
 </map>
 </llsd>
diff --git a/indra/newview/gltf/accessor.cpp b/indra/newview/gltf/accessor.cpp
index d1845605d4..03f7331893 100644
--- a/indra/newview/gltf/accessor.cpp
+++ b/indra/newview/gltf/accessor.cpp
@@ -159,7 +159,7 @@ bool Buffer::prep(Asset& asset)
         std::string dir = gDirUtilp->getDirName(asset.mFilename);
         std::string bin_file = dir + gDirUtilp->getDirDelimiter() + mUri;
 
-        std::ifstream file(bin_file, std::ios::binary);
+        llifstream file(bin_file.c_str(), std::ios::binary);
         if (!file.is_open())
         {
             LL_WARNS("GLTF") << "Failed to open file: " << bin_file << LL_ENDL;
diff --git a/indra/newview/gltf/asset.cpp b/indra/newview/gltf/asset.cpp
index c210b9c61d..e24aea4a28 100644
--- a/indra/newview/gltf/asset.cpp
+++ b/indra/newview/gltf/asset.cpp
@@ -50,6 +50,10 @@ namespace LL
             "KHR_texture_transform"
         };
 
+        static std::unordered_set<std::string> ExtensionsIgnored = {
+            "KHR_materials_pbrSpecularGlossiness"
+        };
+
         Material::AlphaMode gltf_alpha_mode_to_enum(const std::string& alpha_mode)
         {
             if (alpha_mode == "OPAQUE")
@@ -472,11 +476,14 @@ void Asset::update()
 
             for (auto& image : mImages)
             {
-                if (image.mTexture.notNull())
-                { // HACK - force texture to be loaded full rez
-                    // TODO: calculate actual vsize
-                    image.mTexture->addTextureStats(2048.f * 2048.f);
-                    image.mTexture->setBoostLevel(LLViewerTexture::BOOST_HIGH);
+                if (image.mLoadIntoTexturePipe)
+                {
+                    if (image.mTexture.notNull())
+                    { // HACK - force texture to be loaded full rez
+                        // TODO: calculate actual vsize
+                        image.mTexture->addTextureStats(2048.f * 2048.f);
+                        image.mTexture->setBoostLevel(LLViewerTexture::BOOST_HIGH);
+                    }
                 }
             }
         }
@@ -486,18 +493,23 @@ void Asset::update()
 bool Asset::prep()
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_GLTF;
-    // check required extensions and fail if not supported
-    bool unsupported = false;
+    // check required extensions
     for (auto& extension : mExtensionsRequired)
     {
         if (ExtensionsSupported.find(extension) == ExtensionsSupported.end())
         {
-            LL_WARNS() << "Unsupported extension: " << extension << LL_ENDL;
-            unsupported = true;
+            if (ExtensionsIgnored.find(extension) == ExtensionsIgnored.end())
+            {
+                LL_WARNS() << "Unsupported extension: " << extension << LL_ENDL;
+                mUnsupportedExtensions.push_back(extension);
+            }
+            else
+            {
+                mIgnoredExtensions.push_back(extension);
+            }
         }
     }
-
-    if (unsupported)
+    if (mUnsupportedExtensions.size() > 0)
     {
         return false;
     }
@@ -513,7 +525,7 @@ bool Asset::prep()
 
     for (auto& image : mImages)
     {
-        if (!image.prep(*this))
+        if (!image.prep(*this, mLoadIntoVRAM))
         {
             return false;
         }
@@ -542,102 +554,106 @@ bool Asset::prep()
             return false;
         }
     }
+    if (mLoadIntoVRAM)
+    {
+        // prepare vertex buffers
 
-    // prepare vertex buffers
-
-    // material count is number of materials + 1 for default material
-    U32 mat_count = (U32) mMaterials.size() + 1;
-
-    if (LLGLSLShader::sCurBoundShaderPtr == nullptr)
-    { // make sure a shader is bound to satisfy mVertexBuffer->setBuffer
-        gDebugProgram.bind();
-    }
+        // material count is number of materials + 1 for default material
+        U32 mat_count = (U32) mMaterials.size() + 1;
 
-    for (S32 double_sided = 0; double_sided < 2; ++double_sided)
-    {
-        RenderData& rd = mRenderData[double_sided];
-        for (U32 i = 0; i < LLGLSLShader::NUM_GLTF_VARIANTS; ++i)
-        {
-            rd.mBatches[i].resize(mat_count);
+        if (LLGLSLShader::sCurBoundShaderPtr == nullptr)
+        { // make sure a shader is bound to satisfy mVertexBuffer->setBuffer
+            gDebugProgram.bind();
         }
 
-        // for each material
-        for (S32 mat_id = -1; mat_id < (S32)mMaterials.size(); ++mat_id)
+        for (S32 double_sided = 0; double_sided < 2; ++double_sided)
         {
-            // for each shader variant
-            U32 vertex_count[LLGLSLShader::NUM_GLTF_VARIANTS] = { 0 };
-            U32 index_count[LLGLSLShader::NUM_GLTF_VARIANTS] = { 0 };
-
-            S32 ds_mat = mat_id == -1 ? 0 : mMaterials[mat_id].mDoubleSided;
-            if (ds_mat != double_sided)
+            RenderData& rd = mRenderData[double_sided];
+            for (U32 i = 0; i < LLGLSLShader::NUM_GLTF_VARIANTS; ++i)
             {
-                continue;
+                rd.mBatches[i].resize(mat_count);
             }
 
-            for (U32 variant = 0; variant < LLGLSLShader::NUM_GLTF_VARIANTS; ++variant)
+            // for each material
+            for (S32 mat_id = -1; mat_id < (S32)mMaterials.size(); ++mat_id)
             {
-                U32 attribute_mask = 0;
-                // for each mesh
-                for (auto& mesh : mMeshes)
+                // for each shader variant
+                U32 vertex_count[LLGLSLShader::NUM_GLTF_VARIANTS] = { 0 };
+                U32 index_count[LLGLSLShader::NUM_GLTF_VARIANTS] = { 0 };
+
+                S32 ds_mat = mat_id == -1 ? 0 : mMaterials[mat_id].mDoubleSided;
+                if (ds_mat != double_sided)
                 {
-                    // for each primitive
-                    for (auto& primitive : mesh.mPrimitives)
+                    continue;
+                }
+
+                for (U32 variant = 0; variant < LLGLSLShader::NUM_GLTF_VARIANTS; ++variant)
+                {
+                    U32 attribute_mask = 0;
+                    // for each mesh
+                    for (auto& mesh : mMeshes)
                     {
-                        if (primitive.mMaterial == mat_id && primitive.mShaderVariant == variant)
+                        // for each primitive
+                        for (auto& primitive : mesh.mPrimitives)
                         {
-                            // accumulate vertex and index counts
-                            primitive.mVertexOffset = vertex_count[variant];
-                            primitive.mIndexOffset = index_count[variant];
+                            if (primitive.mMaterial == mat_id && primitive.mShaderVariant == variant)
+                            {
+                                // accumulate vertex and index counts
+                                primitive.mVertexOffset = vertex_count[variant];
+                                primitive.mIndexOffset = index_count[variant];
 
-                            vertex_count[variant] += primitive.getVertexCount();
-                            index_count[variant] += primitive.getIndexCount();
+                                vertex_count[variant] += primitive.getVertexCount();
+                                index_count[variant] += primitive.getIndexCount();
 
-                            // all primitives of a given variant and material should all have the same attribute mask
-                            llassert(attribute_mask == 0 || primitive.mAttributeMask == attribute_mask);
-                            attribute_mask |= primitive.mAttributeMask;
+                                // all primitives of a given variant and material should all have the same attribute mask
+                                llassert(attribute_mask == 0 || primitive.mAttributeMask == attribute_mask);
+                                attribute_mask |= primitive.mAttributeMask;
+                            }
                         }
                     }
-                }
 
-                // allocate vertex buffer and pack it
-                if (vertex_count[variant] > 0)
-                {
-                    U32 mat_idx = mat_id + 1;
-                    LLVertexBuffer* vb = new LLVertexBuffer(attribute_mask);
+                    // allocate vertex buffer and pack it
+                    if (vertex_count[variant] > 0)
+                    {
+                        U32 mat_idx = mat_id + 1;
+                        #if 0
+                        LLVertexBuffer* vb = new LLVertexBuffer(attribute_mask);
 
-                    rd.mBatches[variant][mat_idx].mVertexBuffer = vb;
-                    vb->allocateBuffer(vertex_count[variant],
-                        index_count[variant] * 2); // hack double index count... TODO: find a better way to indicate 32-bit indices will be used
-                    vb->setBuffer();
+                        rd.mBatches[variant][mat_idx].mVertexBuffer = vb;
+                        vb->allocateBuffer(vertex_count[variant],
+                            index_count[variant] * 2); // hack double index count... TODO: find a better way to indicate 32-bit indices will be used
+                        vb->setBuffer();
 
-                    for (auto& mesh : mMeshes)
-                    {
-                        for (auto& primitive : mesh.mPrimitives)
+                        for (auto& mesh : mMeshes)
                         {
-                            if (primitive.mMaterial == mat_id && primitive.mShaderVariant == variant)
+                            for (auto& primitive : mesh.mPrimitives)
                             {
-                                primitive.upload(vb);
+                                if (primitive.mMaterial == mat_id && primitive.mShaderVariant == variant)
+                                {
+                                    primitive.upload(vb);
+                                }
                             }
                         }
-                    }
 
-                    vb->unmapBuffer();
+                        vb->unmapBuffer();
 
-                    vb->unbind();
+                        vb->unbind();
+                        #endif
+                    }
                 }
             }
         }
-    }
 
-    // sanity check that all primitives have a vertex buffer
-    for (auto& mesh : mMeshes)
-    {
-        for (auto& primitive : mesh.mPrimitives)
+        // sanity check that all primitives have a vertex buffer
+        for (auto& mesh : mMeshes)
         {
-            llassert(primitive.mVertexBuffer.notNull());
+            for (auto& primitive : mesh.mPrimitives)
+            {
+                //llassert(primitive.mVertexBuffer.notNull());
+            }
         }
     }
-
+    #if 0
     // build render batches
     for (S32 node_id = 0; node_id < mNodes.size(); ++node_id)
     {
@@ -664,6 +680,7 @@ bool Asset::prep()
             }
         }
     }
+    #endif
     return true;
 }
 
@@ -672,13 +689,14 @@ Asset::Asset(const Value& src)
     *this = src;
 }
 
-bool Asset::load(std::string_view filename)
+bool Asset::load(std::string_view filename, bool loadIntoVRAM)
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_GLTF;
+    mLoadIntoVRAM = loadIntoVRAM;
     mFilename = filename;
     std::string ext = gDirUtilp->getExtension(mFilename);
 
-    std::ifstream file(filename.data(), std::ios::binary);
+    llifstream file(filename.data(), std::ios::binary);
     if (file.is_open())
     {
         std::string str((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
@@ -692,7 +710,7 @@ bool Asset::load(std::string_view filename)
         }
         else if (ext == "glb")
         {
-            return loadBinary(str);
+            return loadBinary(str, mLoadIntoVRAM);
         }
         else
         {
@@ -709,8 +727,9 @@ bool Asset::load(std::string_view filename)
     return false;
 }
 
-bool Asset::loadBinary(const std::string& data)
+bool Asset::loadBinary(const std::string& data, bool loadIntoVRAM)
 {
+    mLoadIntoVRAM = loadIntoVRAM;
     // load from binary gltf
     const U8* ptr = (const U8*)data.data();
     const U8* end = ptr + data.size();
@@ -935,8 +954,9 @@ void Asset::eraseBufferView(S32 bufferView)
 
 LLViewerFetchedTexture* fetch_texture(const LLUUID& id);
 
-bool Image::prep(Asset& asset)
+bool Image::prep(Asset& asset, bool loadIntoVRAM)
 {
+    mLoadIntoTexturePipe = loadIntoVRAM;
     LLUUID id;
     if (mUri.size() == UUID_STR_SIZE && LLUUID::parseUUID(mUri, &id) && id.notNull())
     { // loaded from an asset, fetch the texture from the asset system
@@ -951,12 +971,12 @@ bool Image::prep(Asset& asset)
     { // embedded in a buffer, load the texture from the buffer
         BufferView& bufferView = asset.mBufferViews[mBufferView];
         Buffer& buffer = asset.mBuffers[bufferView.mBuffer];
-
-        U8* data = buffer.mData.data() + bufferView.mByteOffset;
-
-        mTexture = LLViewerTextureManager::getFetchedTextureFromMemory(data, bufferView.mByteLength, mMimeType);
-
-        if (mTexture.isNull())
+        if (mLoadIntoTexturePipe)
+        {
+            U8* data = buffer.mData.data() + bufferView.mByteOffset;
+            mTexture = LLViewerTextureManager::getFetchedTextureFromMemory(data, bufferView.mByteLength, mMimeType);
+        }
+        else if (mTexture.isNull() && mLoadIntoTexturePipe)
         {
             LL_WARNS("GLTF") << "Failed to load image from buffer:" << LL_ENDL;
             LL_WARNS("GLTF") << "  image: " << mName << LL_ENDL;
@@ -971,12 +991,12 @@ bool Image::prep(Asset& asset)
         std::string img_file = dir + gDirUtilp->getDirDelimiter() + mUri;
 
         LLUUID tracking_id = LLLocalBitmapMgr::getInstance()->addUnit(img_file);
-        if (tracking_id.notNull())
+        if (tracking_id.notNull() && mLoadIntoTexturePipe)
         {
             LLUUID world_id = LLLocalBitmapMgr::getInstance()->getWorldID(tracking_id);
             mTexture = LLViewerTextureManager::getFetchedTexture(world_id);
         }
-        else
+        else if (mLoadIntoTexturePipe)
         {
             LL_WARNS("GLTF") << "Failed to load image from file:" << LL_ENDL;
             LL_WARNS("GLTF") << "  image: " << mName << LL_ENDL;
@@ -991,7 +1011,7 @@ bool Image::prep(Asset& asset)
         return false;
     }
 
-    if (!asset.mFilename.empty())
+    if (!asset.mFilename.empty() && mLoadIntoTexturePipe)
     { // local preview, boost image so it doesn't discard and force to save raw image in case we save out or upload
         mTexture->setBoostLevel(LLViewerTexture::BOOST_PREVIEW);
         mTexture->forceToSaveRawImage(0, F32_MAX);
diff --git a/indra/newview/gltf/asset.h b/indra/newview/gltf/asset.h
index 27821659db..b9554d753c 100644
--- a/indra/newview/gltf/asset.h
+++ b/indra/newview/gltf/asset.h
@@ -286,6 +286,7 @@ namespace LL
             void serialize(boost::json::object& dst) const;
         };
 
+        // Image is for images that we want to load for the given asset.  This acts as an interface into the viewer's texture pipe.
         class Image
         {
         public:
@@ -301,6 +302,8 @@ namespace LL
             S32 mBits = -1;
             S32 mPixelType = -1;
 
+            bool mLoadIntoTexturePipe = false;
+
             LLPointer<LLViewerFetchedTexture> mTexture;
 
             const Image& operator=(const Value& src);
@@ -316,7 +319,7 @@ namespace LL
             // preserve only uri and name
             void clearData(Asset& asset);
 
-            bool prep(Asset& asset);
+            bool prep(Asset& asset, bool loadIntoVRAM);
         };
 
         // Render Batch -- vertex buffer and list of primitives to render using
@@ -391,6 +394,10 @@ namespace LL
 
             // UBO for storing material data
             U32 mMaterialsUBO = 0;
+            bool mLoadIntoVRAM = false;
+
+            std::vector<std::string> mUnsupportedExtensions;
+            std::vector<std::string> mIgnoredExtensions;
 
             // prepare for first time use
             bool prep();
@@ -428,12 +435,12 @@ namespace LL
             // accepts .gltf and .glb files
             // Any existing data will be lost
             // returns result of prep() on success
-            bool load(std::string_view filename);
+            bool load(std::string_view filename, bool loadIntoVRAM);
 
             // load .glb contents from memory
             // data - binary contents of .glb file
             // returns result of prep() on success
-            bool loadBinary(const std::string& data);
+            bool loadBinary(const std::string& data, bool loadIntoVRAM);
 
             const Asset& operator=(const Value& src);
             void serialize(boost::json::object& dst) const;
diff --git a/indra/newview/gltf/buffer_util.h b/indra/newview/gltf/buffer_util.h
index ef9bba8128..be36c5e90b 100644
--- a/indra/newview/gltf/buffer_util.h
+++ b/indra/newview/gltf/buffer_util.h
@@ -159,6 +159,12 @@ namespace LL
         }
 
         template<>
+        inline void copyVec3<F32, LLColor4U>(F32* src, LLColor4U& dst)
+        {
+            dst.set((U8)(src[0] * 255.f), (U8)(src[1] * 255.f), (U8)(src[2] * 255.f), 255);
+        }
+
+        template<>
         inline void copyVec3<U16, LLColor4U>(U16* src, LLColor4U& dst)
         {
             dst.set((U8)(src[0]), (U8)(src[1]), (U8)(src[2]), 255);
@@ -369,6 +375,11 @@ namespace LL
         template<class T>
         inline void copy(Asset& asset, Accessor& accessor, LLStrider<T>& dst)
         {
+            if (accessor.mBufferView == INVALID_INDEX)
+            {
+                LL_WARNS("GLTF") << "Invalid buffer" << LL_ENDL;
+                return;
+            }
             const BufferView& bufferView = asset.mBufferViews[accessor.mBufferView];
             const Buffer& buffer = asset.mBuffers[bufferView.mBuffer];
             const U8* src = buffer.mData.data() + bufferView.mByteOffset + accessor.mByteOffset;
diff --git a/indra/newview/gltf/llgltfloader.cpp b/indra/newview/gltf/llgltfloader.cpp
new file mode 100644
index 0000000000..dd1d327683
--- /dev/null
+++ b/indra/newview/gltf/llgltfloader.cpp
@@ -0,0 +1,1822 @@
+/**
+ * @file LLGLTFLoader.cpp
+ * @brief LLGLTFLoader class implementation
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llgltfloader.h"
+#include "meshoptimizer.h"
+#include <glm/gtc/packing.hpp>
+
+// Import & define single-header gltf import/export lib
+#define TINYGLTF_IMPLEMENTATION
+#define TINYGLTF_USE_CPP14  // default is C++ 11
+
+// tinygltf by default loads image files using STB
+#define STB_IMAGE_IMPLEMENTATION
+// to use our own image loading:
+// 1. replace this definition with TINYGLTF_NO_STB_IMAGE
+// 2. provide image loader callback with TinyGLTF::SetImageLoader(LoadimageDataFunction LoadImageData, void *user_data)
+
+// tinygltf saves image files using STB
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+// similarly, can override with TINYGLTF_NO_STB_IMAGE_WRITE and TinyGLTF::SetImageWriter(fxn, data)
+
+// Additionally, disable inclusion of STB header files entirely with
+// TINYGLTF_NO_INCLUDE_STB_IMAGE
+// TINYGLTF_NO_INCLUDE_STB_IMAGE_WRITE
+#include "tinygltf/tiny_gltf.h"
+
+
+// TODO: includes inherited from dae loader.  Validate / prune
+
+#include "llsdserialize.h"
+#include "lljoint.h"
+#include "llbase64.h"
+#include "lldir.h"
+
+#include "llmatrix4a.h"
+
+#include <boost/regex.hpp>
+#include <boost/algorithm/string/replace.hpp>
+#include <boost/exception/diagnostic_information.hpp>
+#include <fstream>
+
+static const std::string lod_suffix[LLModel::NUM_LODS] =
+{
+    "_LOD0",
+    "_LOD1",
+    "_LOD2",
+    "",
+    "_PHYS",
+};
+
+// Premade rotation matrix, GLTF is Y-up while SL is Z-up
+static const glm::mat4 coord_system_rotation(
+    1.f, 0.f, 0.f, 0.f,
+    0.f, 0.f, 1.f, 0.f,
+    0.f, -1.f, 0.f, 0.f,
+    0.f, 0.f, 0.f, 1.f
+);
+
+
+static const glm::mat4 coord_system_rotationxy(
+    0.f, 1.f, 0.f, 0.f,
+    -1.f, 0.f, 0.f, 0.f,
+    0.f, 0.f, 1.f, 0.f,
+    0.f, 0.f, 0.f, 1.f
+);
+
+static const S32 VERTEX_SPLIT_SAFETY_MARGIN = 3 * 3 + 1; // 10 vertices: 3 complete triangles plus remapping overhead
+static const S32 VERTEX_LIMIT = USHRT_MAX - VERTEX_SPLIT_SAFETY_MARGIN;
+
+LLGLTFLoader::LLGLTFLoader(std::string                filename,
+    S32                                               lod,
+    LLModelLoader::load_callback_t                    load_cb,
+    LLModelLoader::joint_lookup_func_t                joint_lookup_func,
+    LLModelLoader::texture_load_func_t                texture_load_func,
+    LLModelLoader::state_callback_t                   state_cb,
+    void *                                            opaque_userdata,
+    JointTransformMap &                               jointTransformMap,
+    JointNameSet &                                    jointsFromNodes,
+    std::map<std::string, std::string, std::less<>> & jointAliasMap,
+    U32                                               maxJointsPerMesh,
+    U32                                               modelLimit,
+    U32                                               debugMode,
+    std::vector<LLJointData>                          viewer_skeleton) //,
+    //bool                                            preprocess)
+    : LLModelLoader( filename,
+                     lod,
+                     load_cb,
+                     joint_lookup_func,
+                     texture_load_func,
+                     state_cb,
+                     opaque_userdata,
+                     jointTransformMap,
+                     jointsFromNodes,
+                     jointAliasMap,
+                     maxJointsPerMesh,
+                     modelLimit,
+                     debugMode)
+    , mViewerJointData(viewer_skeleton)
+    , mGltfLoaded(false)
+    , mApplyXYRotation(false)
+{
+}
+
+LLGLTFLoader::~LLGLTFLoader() {}
+
+bool LLGLTFLoader::OpenFile(const std::string &filename)
+{
+    // Clear the material cache for new file
+    mMaterialCache.clear();
+
+    tinygltf::TinyGLTF loader;
+    std::string filename_lc(filename);
+    LLStringUtil::toLower(filename_lc);
+
+    try
+    {
+        mGltfLoaded = mGLTFAsset.load(filename, false);
+    }
+    catch (const std::exception& e)
+    {
+        LL_WARNS() << "Exception in LLModelLoader::run: " << e.what() << LL_ENDL;
+        LLSD args;
+        args["Message"] = "ParsingErrorException";
+        args["FILENAME"] = filename;
+        args["EXCEPTION"] = e.what();
+        mWarningsArray.append(args);
+        setLoadState(ERROR_PARSING);
+        return false;
+    }
+    catch (...)
+    {
+        LOG_UNHANDLED_EXCEPTION("LLGLTFLoader");
+        LLSD args;
+        args["Message"] = "ParsingErrorException";
+        args["FILENAME"] = filename;
+        args["EXCEPTION"] = boost::current_exception_diagnostic_information();
+        mWarningsArray.append(args);
+        setLoadState(ERROR_PARSING);
+        return false;
+    }
+
+    if (!mGltfLoaded)
+    {
+        notifyUnsupportedExtension(true);
+
+        for (const auto& buffer : mGLTFAsset.mBuffers)
+        {
+            if (buffer.mByteLength > 0 && buffer.mData.empty())
+            {
+                bool bin_file = buffer.mUri.ends_with(".bin");
+                LLSD args;
+                args["Message"] = bin_file ? "ParsingErrorMissingBufferBin" : "ParsingErrorMissingBuffer";
+                args["BUFFER_NAME"] = buffer.mName;
+                args["BUFFER_URI"] = buffer.mUri;
+                mWarningsArray.append(args);
+            }
+        }
+        setLoadState(ERROR_PARSING);
+        return false;
+    }
+
+    notifyUnsupportedExtension(false);
+
+    bool meshesLoaded = parseMeshes();
+
+    setLoadState(DONE);
+
+    return meshesLoaded;
+}
+
+void LLGLTFLoader::addModelToScene(
+    LLModel* pModel,
+    const std::string& model_name,
+    U32 submodel_limit,
+    const LLMatrix4& transformation,
+    const LLVolumeParams& volume_params,
+    const material_map& mats)
+{
+    U32 volume_faces = pModel->getNumVolumeFaces();
+
+    // Side-steps all manner of issues when splitting models
+    // and matching lower LOD materials to base models
+    //
+    pModel->sortVolumeFacesByMaterialName();
+
+    int submodelID = 0;
+
+    // remove all faces that definitely won't fit into one model and submodel limit
+    U32 face_limit = (submodel_limit + 1) * LL_SCULPT_MESH_MAX_FACES;
+    if (face_limit < volume_faces)
+    {
+        LL_WARNS("GLTF_IMPORT") << "Model contains " << volume_faces
+            << " faces, exceeding the limit of " << face_limit << LL_ENDL;
+
+        LLSD args;
+        args["Message"] = "ModelTooManySubmodels";
+        args["MODEL_NAME"] = pModel->mLabel;
+        args["SUBMODEL_COUNT"] = static_cast<S32>(llfloor((F32)volume_faces / LL_SCULPT_MESH_MAX_FACES));
+        args["SUBMODEL_LIMIT"] = static_cast<S32>(submodel_limit);
+        mWarningsArray.append(args);
+
+        pModel->setNumVolumeFaces(face_limit);
+    }
+
+    LLVolume::face_list_t remainder;
+    std::vector<LLModel*> ready_models;
+    LLModel* current_model = pModel;
+
+    do
+    {
+        current_model->trimVolumeFacesToSize(LL_SCULPT_MESH_MAX_FACES, &remainder);
+
+        volume_faces = static_cast<U32>(remainder.size());
+
+        // Don't add to scene yet because weights and materials aren't ready.
+        // Just save it
+        ready_models.push_back(current_model);
+
+        // If we have left-over volume faces, create another model
+        // to absorb them.
+        if (volume_faces)
+        {
+            LLModel* next = new LLModel(volume_params, 0.f);
+            next->ClearFacesAndMaterials();
+            next->mSubmodelID = ++submodelID;
+
+            std::string instance_name = model_name;
+            if (next->mSubmodelID > 0)
+            {
+                instance_name += (char)((int)'a' + next->mSubmodelID);
+            }
+            // Check for duplicates and add copy suffix if needed
+            int duplicate_count = 0;
+            for (const auto& inst : mScene[transformation])
+            {
+                if (inst.mLabel == instance_name)
+                {
+                    ++duplicate_count;
+                }
+            }
+            if (duplicate_count > 0) {
+                instance_name += "_copy_" + std::to_string(duplicate_count);
+            }
+            next->mLabel = instance_name;
+
+            next->getVolumeFaces() = remainder;
+            next->mNormalizedScale = current_model->mNormalizedScale;
+            next->mNormalizedTranslation = current_model->mNormalizedTranslation;
+            next->mSkinWeights = current_model->mSkinWeights;
+            next->mPosition = current_model->mPosition;
+
+            const LLMeshSkinInfo& current_skin_info = current_model->mSkinInfo;
+            LLMeshSkinInfo& next_skin_info = next->mSkinInfo;
+            next_skin_info.mJointNames = current_skin_info.mJointNames;
+            next_skin_info.mJointNums = current_skin_info.mJointNums;
+            next_skin_info.mBindShapeMatrix = current_skin_info.mBindShapeMatrix;
+            next_skin_info.mInvBindMatrix = current_skin_info.mInvBindMatrix;
+            next_skin_info.mAlternateBindMatrix = current_skin_info.mAlternateBindMatrix;
+            next_skin_info.mPelvisOffset = current_skin_info.mPelvisOffset;
+
+
+            if (current_model->mMaterialList.size() > LL_SCULPT_MESH_MAX_FACES)
+            {
+                next->mMaterialList.assign(current_model->mMaterialList.begin() + LL_SCULPT_MESH_MAX_FACES, current_model->mMaterialList.end());
+                current_model->mMaterialList.resize(LL_SCULPT_MESH_MAX_FACES);
+            }
+
+            current_model = next;
+        }
+
+        remainder.clear();
+
+    } while (volume_faces);
+
+    for (auto model : ready_models)
+    {
+        // remove unused/redundant vertices
+        model->remapVolumeFaces();
+
+        mModelList.push_back(model);
+
+        std::map<std::string, LLImportMaterial> materials;
+        for (U32 i = 0; i < (U32)model->mMaterialList.size(); ++i)
+        {
+            material_map::const_iterator found = mats.find(model->mMaterialList[i]);
+            if (found != mats.end())
+            {
+                materials[model->mMaterialList[i]] = found->second;
+            }
+            else
+            {
+                materials[model->mMaterialList[i]] = LLImportMaterial();
+            }
+        }
+        // Keep base name for scene instance.
+        std::string instance_name = model->mLabel;
+        // Add suffix. Suffix is nessesary for model matching logic
+        // because sometimes higher lod can be used as a lower one, so models
+        // need unique names not just in scope of one lod, but across lods.
+        model->mLabel += lod_suffix[mLod];
+        mScene[transformation].push_back(LLModelInstance(model, instance_name, transformation, materials));
+        stretch_extents(model, transformation);
+    }
+}
+
+bool LLGLTFLoader::parseMeshes()
+{
+    if (!mGltfLoaded) return false;
+
+    // 2022-04 DJH Volume params from dae example. TODO understand PCODE
+    LLVolumeParams volume_params;
+    volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
+
+    mTransform.setIdentity();
+
+    for (auto& node : mGLTFAsset.mNodes)
+    {
+        // Make node matrix valid for correct transformation
+        node.makeMatrixValid();
+    }
+
+    if (mGLTFAsset.mSkins.size() > 0)
+    {
+        checkForXYrotation(mGLTFAsset.mSkins[0]);
+        populateJointGroups();
+    }
+
+    // Populate the joints from skins first.
+    // Multiple meshes can share the same skin, so preparing skins beforehand.
+    for (S32 i = 0; i < mGLTFAsset.mSkins.size(); i++)
+    {
+        populateJointsFromSkin(i);
+    }
+
+    // Track how many times each mesh name has been used
+    std::map<std::string, S32> mesh_name_counts;
+
+    // For now use mesh count, but might be better to do 'mNodes.size() - joints count'.
+    U32 submodel_limit = mGLTFAsset.mMeshes.size() > 0 ? mGeneratedModelLimit / (U32)mGLTFAsset.mMeshes.size() : 0;
+
+    // Check if we have scenes defined
+    if (!mGLTFAsset.mScenes.empty())
+    {
+        // Process the default scene (or first scene if no default)
+        S32 scene_idx = mGLTFAsset.mScene >= 0 ? mGLTFAsset.mScene : 0;
+
+        if (scene_idx < mGLTFAsset.mScenes.size())
+        {
+            const LL::GLTF::Scene& scene = mGLTFAsset.mScenes[scene_idx];
+
+            LL_INFOS("GLTF_IMPORT") << "Processing scene " << scene_idx << " with " << scene.mNodes.size() << " root nodes" << LL_ENDL;
+
+            // Process all root nodes defined in the scene
+            for (S32 root_idx : scene.mNodes)
+            {
+                if (root_idx >= 0 && root_idx < static_cast<S32>(mGLTFAsset.mNodes.size()))
+                {
+                    processNodeHierarchy(root_idx, mesh_name_counts, submodel_limit, volume_params);
+                }
+            }
+        }
+    }
+    else
+    {
+        LL_WARNS("GLTF_IMPORT") << "No scenes defined in GLTF file" << LL_ENDL;
+
+        LLSD args;
+        args["Message"] = "NoScenesFound";
+        mWarningsArray.append(args);
+        return false;
+    }
+
+    checkGlobalJointUsage();
+
+    return true;
+}
+
+void LLGLTFLoader::processNodeHierarchy(S32 node_idx, std::map<std::string, S32>& mesh_name_counts, U32 submodel_limit, const LLVolumeParams& volume_params)
+{
+    if (node_idx < 0 || node_idx >= static_cast<S32>(mGLTFAsset.mNodes.size()))
+        return;
+
+    const LL::GLTF::Node& node = mGLTFAsset.mNodes[node_idx];
+
+    LL_DEBUGS("GLTF_IMPORT") << "Processing node " << node_idx << " (" << node.mName << ")"
+                            << " - has mesh: " << (node.mMesh >= 0 ? "yes" : "no")
+                            << " - children: " << node.mChildren.size() << LL_ENDL;
+
+    // Process this node's mesh if it has one
+    if (node.mMesh >= 0 && node.mMesh < mGLTFAsset.mMeshes.size())
+    {
+        LLMatrix4    transformation;
+        material_map mats;
+
+        LLModel* pModel = new LLModel(volume_params, 0.f);
+        const LL::GLTF::Mesh& mesh = mGLTFAsset.mMeshes[node.mMesh];
+
+        // Get base mesh name and track usage
+        std::string base_name = getLodlessLabel(mesh);
+        if (base_name.empty())
+        {
+            base_name = "mesh_" + std::to_string(node.mMesh);
+        }
+
+        S32 instance_count = mesh_name_counts[base_name]++;
+
+        // make name unique
+        if (instance_count > 0)
+        {
+            base_name = base_name + "_copy_" + std::to_string(instance_count);
+        }
+
+        if (populateModelFromMesh(pModel, base_name, mesh, node, mats) &&
+            (LLModel::NO_ERRORS == pModel->getStatus()) &&
+            validate_model(pModel))
+        {
+            mTransform.setIdentity();
+            transformation = mTransform;
+
+            // adjust the transformation to compensate for mesh normalization
+            LLVector3 mesh_scale_vector;
+            LLVector3 mesh_translation_vector;
+            pModel->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);
+
+            LLMatrix4 mesh_translation;
+            mesh_translation.setTranslation(mesh_translation_vector);
+            mesh_translation *= transformation;
+            transformation = mesh_translation;
+
+            LLMatrix4 mesh_scale;
+            mesh_scale.initScale(mesh_scale_vector);
+            mesh_scale *= transformation;
+            transformation = mesh_scale;
+
+            if (node.mSkin >= 0)
+            {
+                // "Bind Shape Matrix" is supposed to transform the geometry of the skinned mesh
+                // into the coordinate space of the joints.
+                // In GLTF, this matrix is omitted, and it is assumed that this transform is either
+                // premultiplied with the mesh data, or postmultiplied to the inverse bind matrices.
+                //
+                // TODO: There appears to be missing rotation when joints rotate the model
+                // or inverted bind matrices are missing inherited rotation
+                // (based of values the 'bento shoes' mesh might be missing 90 degrees horizontaly
+                // prior to skinning)
+
+                pModel->mSkinInfo.mBindShapeMatrix.loadu(mesh_scale);
+                LL_INFOS("GLTF_DEBUG") << "Model: " << pModel->mLabel << " mBindShapeMatrix: " << pModel->mSkinInfo.mBindShapeMatrix << LL_ENDL;
+            }
+
+            if (transformation.determinant() < 0)
+            { // negative scales are not supported
+                LL_INFOS("GLTF_IMPORT") << "Negative scale detected, unsupported post-normalization transform.  domInstance_geometry: "
+                           << pModel->mLabel << LL_ENDL;
+                LLSD args;
+                args["Message"] = "NegativeScaleNormTrans";
+                args["LABEL"]   = pModel->mLabel;
+                mWarningsArray.append(args);
+            }
+
+            addModelToScene(pModel, base_name, submodel_limit, transformation, volume_params, mats);
+            mats.clear();
+        }
+        else
+        {
+            setLoadState(ERROR_MODEL + pModel->getStatus());
+            delete pModel;
+            return;
+        }
+    }
+    else if (node.mMesh >= 0)
+    {
+        // Log invalid mesh reference
+        LL_WARNS("GLTF_IMPORT") << "Node " << node_idx << " (" << node.mName
+                                << ") references invalid mesh " << node.mMesh
+                                << " (total meshes: " << mGLTFAsset.mMeshes.size() << ")" << LL_ENDL;
+
+        LLSD args;
+        args["Message"] = "InvalidMeshReference";
+        args["NODE_NAME"] = node.mName;
+        args["MESH_INDEX"] = node.mMesh;
+        args["TOTAL_MESHES"] = static_cast<S32>(mGLTFAsset.mMeshes.size());
+        mWarningsArray.append(args);
+    }
+
+    // Process all children recursively
+    for (S32 child_idx : node.mChildren)
+    {
+        processNodeHierarchy(child_idx, mesh_name_counts, submodel_limit, volume_params);
+    }
+}
+
+void LLGLTFLoader::computeCombinedNodeTransform(const LL::GLTF::Asset& asset, S32 node_index, glm::mat4& combined_transform) const
+{
+    if (node_index < 0 || node_index >= static_cast<S32>(asset.mNodes.size()))
+    {
+        combined_transform = glm::mat4(1.0f);
+        return;
+    }
+
+    const auto& node = asset.mNodes[node_index];
+
+    // Ensure the node's matrix is valid
+    const_cast<LL::GLTF::Node&>(node).makeMatrixValid();
+
+    // Start with this node's transform
+    combined_transform = node.mMatrix;
+
+    // Find and apply parent transform if it exists
+    for (size_t i = 0; i < asset.mNodes.size(); ++i)
+    {
+        const auto& potential_parent = asset.mNodes[i];
+        auto it = std::find(potential_parent.mChildren.begin(), potential_parent.mChildren.end(), node_index);
+
+        if (it != potential_parent.mChildren.end())
+        {
+            // Found parent - recursively get its combined transform and apply it
+            glm::mat4 parent_transform;
+            computeCombinedNodeTransform(asset, static_cast<S32>(i), parent_transform);
+            combined_transform = parent_transform * combined_transform;
+            return; // Early exit - a node can only have one parent
+        }
+    }
+}
+
+bool LLGLTFLoader::addJointToModelSkin(LLMeshSkinInfo& skin_info, S32 gltf_skin_idx, size_t gltf_joint_idx)
+{
+    const std::string& legal_name = mJointNames[gltf_skin_idx][gltf_joint_idx];
+    if (legal_name.empty())
+    {
+        llassert(false); // should have been stopped by gltf_joint_index_use[i] == -1
+        return false;
+    }
+    skin_info.mJointNames.push_back(legal_name);
+    skin_info.mJointNums.push_back(-1);
+
+    // In scope of same skin multiple meshes reuse same bind matrices
+    skin_info.mInvBindMatrix.push_back(mInverseBindMatrices[gltf_skin_idx][gltf_joint_idx]);
+    skin_info.mAlternateBindMatrix.push_back(mAlternateBindMatrices[gltf_skin_idx][gltf_joint_idx]);
+
+    // Track joint usage for this skin, for the sake of unused joints detection
+    mJointUsage[gltf_skin_idx][gltf_joint_idx]++;
+
+    return true;
+}
+
+LLGLTFLoader::LLGLTFImportMaterial LLGLTFLoader::processMaterial(S32 material_index, S32 fallback_index)
+{
+    // Check cache first
+    auto cached = mMaterialCache.find(material_index);
+    if (cached != mMaterialCache.end())
+    {
+        return cached->second;
+    }
+
+    LLImportMaterial impMat;
+    impMat.mDiffuseColor = LLColor4::white; // Default color
+
+    // Generate material name
+    std::string materialName = generateMaterialName(material_index, fallback_index);
+
+    // Process material if available
+    if (material_index >= 0 && material_index < mGLTFAsset.mMaterials.size())
+    {
+        LL::GLTF::Material* material = &mGLTFAsset.mMaterials[material_index];
+
+        // Set diffuse color from base color factor
+        impMat.mDiffuseColor = LLColor4(
+            material->mPbrMetallicRoughness.mBaseColorFactor[0],
+            material->mPbrMetallicRoughness.mBaseColorFactor[1],
+            material->mPbrMetallicRoughness.mBaseColorFactor[2],
+            material->mPbrMetallicRoughness.mBaseColorFactor[3]
+        );
+
+        // Process base color texture if it exists
+        if (material->mPbrMetallicRoughness.mBaseColorTexture.mIndex >= 0)
+        {
+            S32 texIndex = material->mPbrMetallicRoughness.mBaseColorTexture.mIndex;
+            std::string filename = processTexture(texIndex, "base_color", material->mName);
+
+            if (!filename.empty())
+            {
+                impMat.mDiffuseMapFilename = filename;
+                impMat.mDiffuseMapLabel = material->mName.empty() ? filename : material->mName;
+
+                // Check if the texture is already loaded
+                S32 sourceIndex;
+                if (validateTextureIndex(texIndex, sourceIndex))
+                {
+                    LL::GLTF::Image& image = mGLTFAsset.mImages[sourceIndex];
+                    if (image.mTexture.notNull())
+                    {
+                        mTexturesNeedScaling |= image.mHeight > LLViewerTexture::MAX_IMAGE_SIZE_DEFAULT || image.mWidth > LLViewerTexture::MAX_IMAGE_SIZE_DEFAULT;
+                        impMat.setDiffuseMap(image.mTexture->getID());
+                        LL_INFOS("GLTF_IMPORT") << "Using existing texture ID: " << image.mTexture->getID().asString() << LL_ENDL;
+                    }
+                    else
+                    {
+                        LL_INFOS("GLTF_IMPORT") << "Texture needs loading: " << impMat.mDiffuseMapFilename << LL_ENDL;
+                    }
+                }
+            }
+        }
+    }
+
+    // Create cached material with both material and name
+    LLGLTFImportMaterial cachedMat(impMat, materialName);
+
+    // Cache the processed material
+    mMaterialCache[material_index] = cachedMat;
+    return cachedMat;
+}
+
+std::string LLGLTFLoader::processTexture(S32 texture_index, const std::string& texture_type, const std::string& material_name)
+{
+    S32 sourceIndex;
+    if (!validateTextureIndex(texture_index, sourceIndex))
+        return "";
+
+    LL::GLTF::Image& image = mGLTFAsset.mImages[sourceIndex];
+
+    // Process URI-based textures
+    if (!image.mUri.empty())
+    {
+        std::string filename = image.mUri;
+        size_t pos = filename.find_last_of("/\\");
+        if (pos != std::string::npos)
+        {
+            filename = filename.substr(pos + 1);
+        }
+
+        LL_INFOS("GLTF_IMPORT") << "Found texture: " << filename << " for material: " << material_name << LL_ENDL;
+
+        LLSD args;
+        args["Message"] = "TextureFound";
+        args["TEXTURE_NAME"] = filename;
+        args["MATERIAL_NAME"] = material_name;
+        mWarningsArray.append(args);
+
+        return filename;
+    }
+
+    // Process embedded textures
+    if (image.mBufferView >= 0)
+    {
+        return extractTextureToTempFile(texture_index, texture_type);
+    }
+
+    return "";
+}
+
+bool LLGLTFLoader::validateTextureIndex(S32 texture_index, S32& source_index)
+{
+    if (texture_index < 0 || texture_index >= mGLTFAsset.mTextures.size())
+        return false;
+
+    source_index = mGLTFAsset.mTextures[texture_index].mSource;
+    if (source_index < 0 || source_index >= mGLTFAsset.mImages.size())
+        return false;
+
+    return true;
+}
+
+std::string LLGLTFLoader::generateMaterialName(S32 material_index, S32 fallback_index)
+{
+    if (material_index >= 0 && material_index < mGLTFAsset.mMaterials.size())
+    {
+        LL::GLTF::Material* material = &mGLTFAsset.mMaterials[material_index];
+        std::string materialName = material->mName;
+
+        if (materialName.empty())
+        {
+            materialName = "mat" + std::to_string(material_index);
+        }
+        return materialName;
+    }
+    else
+    {
+        return fallback_index >= 0 ? "mat_default" + std::to_string(fallback_index) : "mat_default";
+    }
+}
+
+bool LLGLTFLoader::populateModelFromMesh(LLModel* pModel, const std::string& base_name, const LL::GLTF::Mesh& mesh, const LL::GLTF::Node& nodeno, material_map& mats)
+{
+    // Set the requested label for the floater display and uploading
+    pModel->mRequestedLabel = gDirUtilp->getBaseFileName(mFilename, true);
+    // Set only name, suffix will be added later
+    pModel->mLabel = base_name;
+
+    LL_DEBUGS("GLTF_DEBUG") << "Processing model " << pModel->mLabel << LL_ENDL;
+
+    pModel->ClearFacesAndMaterials();
+
+    S32 skinIdx = nodeno.mSkin;
+
+    // Compute final combined transform matrix (hierarchy + coordinate rotation)
+    S32 node_index = static_cast<S32>(&nodeno - &mGLTFAsset.mNodes[0]);
+    glm::mat4 hierarchy_transform;
+    computeCombinedNodeTransform(mGLTFAsset, node_index, hierarchy_transform);
+
+    // Combine transforms: coordinate rotation applied to hierarchy transform
+    glm::mat4 final_transform = coord_system_rotation * hierarchy_transform;
+    if (mApplyXYRotation)
+    {
+        final_transform = coord_system_rotationxy * final_transform;
+    }
+
+    // Check if we have a negative scale (flipped coordinate system)
+    bool hasNegativeScale = glm::determinant(final_transform) < 0.0f;
+
+    // Pre-compute normal transform matrix (transpose of inverse of upper-left 3x3)
+    const glm::mat3 normal_transform = glm::transpose(glm::inverse(glm::mat3(final_transform)));
+
+    // Mark unsuported joints with '-1' so that they won't get added into weights
+    // GLTF maps all joints onto all meshes. Gather use count per mesh to cut unused ones.
+    std::vector<S32> gltf_joint_index_use;
+    if (skinIdx >= 0 && mGLTFAsset.mSkins.size() > skinIdx)
+    {
+        LL::GLTF::Skin& gltf_skin = mGLTFAsset.mSkins[skinIdx];
+
+        size_t jointCnt = gltf_skin.mJoints.size();
+        gltf_joint_index_use.resize(jointCnt, 0);
+
+        for (size_t i = 0; i < jointCnt; ++i)
+        {
+            if (mJointNames[skinIdx][i].empty())
+            {
+                // This might need to hold a substitute index
+                gltf_joint_index_use[i] = -1; // mark as unsupported
+            }
+        }
+    }
+
+    for (size_t prim_idx = 0; prim_idx < mesh.mPrimitives.size(); ++prim_idx)
+    {
+        const LL::GLTF::Primitive& prim = mesh.mPrimitives[prim_idx];
+
+        // So primitives already have all of the data we need for a given face in SL land.
+        // Primitives may only ever have a single material assigned to them - as the relation is 1:1 in terms of intended draw call
+        // count. Just go ahead and populate faces direct from the GLTF primitives here. -Geenz 2025-04-07
+        LLVolumeFace face;
+        std::vector<GLTFVertex> vertices;
+
+        // Use cached material processing
+        LLGLTFImportMaterial cachedMat = processMaterial(prim.mMaterial, pModel->getNumVolumeFaces() - 1);
+        LLImportMaterial impMat = cachedMat;
+        std::string materialName = cachedMat.name;
+        mats[materialName] = impMat;
+
+        if (prim.getIndexCount() % 3 != 0)
+        {
+            LL_WARNS("GLTF_IMPORT") << "Mesh '" << mesh.mName << "' primitive " << prim_idx
+                << ": Invalid index count " << prim.getIndexCount()
+                << " (not divisible by 3). GLTF files must contain triangulated geometry." << LL_ENDL;
+
+            LLSD args;
+            args["Message"] = "InvalidGeometryNonTriangulated";
+            args["MESH_NAME"] = mesh.mName;
+            args["PRIMITIVE_INDEX"] = static_cast<S32>(prim_idx);
+            args["INDEX_COUNT"] = static_cast<S32>(prim.getIndexCount());
+            mWarningsArray.append(args);
+            return false; // Skip this primitive
+        }
+
+        // Apply the global scale and center offset to all vertices
+        for (U32 i = 0; i < prim.getVertexCount(); i++)
+        {
+            // Use pre-computed final_transform
+            glm::vec4 pos(prim.mPositions[i][0], prim.mPositions[i][1], prim.mPositions[i][2], 1.0f);
+            glm::vec4 transformed_pos = final_transform * pos;
+
+            GLTFVertex vert;
+            vert.position = glm::vec3(transformed_pos);
+
+            if (!prim.mNormals.empty())
+            {
+                // Use pre-computed normal_transform
+                glm::vec3 normal_vec(prim.mNormals[i][0], prim.mNormals[i][1], prim.mNormals[i][2]);
+                vert.normal = glm::normalize(normal_transform * normal_vec);
+            }
+            else
+            {
+                // Use default normal (pointing up in model space)
+                vert.normal = glm::normalize(normal_transform * glm::vec3(0.0f, 0.0f, 1.0f));
+                LL_DEBUGS("GLTF_IMPORT") << "No normals found for primitive, using default normal." << LL_ENDL;
+            }
+
+            vert.uv0 = glm::vec2(prim.mTexCoords0[i][0], -prim.mTexCoords0[i][1]);
+
+            if (skinIdx >= 0)
+            {
+                vert.weights = glm::vec4(prim.mWeights[i]);
+
+                auto accessorIdx = prim.mAttributes.at("JOINTS_0");
+                LL::GLTF::Accessor::ComponentType componentType = LL::GLTF::Accessor::ComponentType::UNSIGNED_BYTE;
+                if (accessorIdx >= 0)
+                {
+                    auto accessor = mGLTFAsset.mAccessors[accessorIdx];
+                    componentType = accessor.mComponentType;
+                }
+
+                // The GLTF spec allows for either an unsigned byte for joint indices, or an unsigned short.
+                // Detect and unpack accordingly.
+                if (componentType == LL::GLTF::Accessor::ComponentType::UNSIGNED_BYTE)
+                {
+                    auto ujoint = glm::unpackUint4x8((U32)(prim.mJoints[i] & 0xFFFFFFFF));
+                    vert.joints = glm::u16vec4(ujoint.x, ujoint.y, ujoint.z, ujoint.w);
+                }
+                else if (componentType == LL::GLTF::Accessor::ComponentType::UNSIGNED_SHORT)
+                {
+                    vert.joints = glm::unpackUint4x16(prim.mJoints[i]);
+                }
+                else
+                {
+                    vert.joints = glm::zero<glm::u16vec4>();
+                    vert.weights = glm::zero<glm::vec4>();
+                }
+            }
+            vertices.push_back(vert);
+        }
+
+        // Check for empty vertex array before processing
+        if (vertices.empty())
+        {
+            LL_WARNS("GLTF_IMPORT") << "Empty vertex array for primitive " << prim_idx << " in model " << mesh.mName << LL_ENDL;
+            LLSD args;
+            args["Message"] = "EmptyVertexArray";
+            args["MESH_NAME"] = mesh.mName;
+            args["PRIMITIVE_INDEX"] = static_cast<S32>(prim_idx);
+            args["INDEX_COUNT"] = static_cast<S32>(prim.getIndexCount());
+            mWarningsArray.append(args);
+            return false; // Skip this primitive
+        }
+
+        std::vector<LLVolumeFace::VertexData> faceVertices;
+        glm::vec3 min = glm::vec3(FLT_MAX);
+        glm::vec3 max = glm::vec3(-FLT_MAX);
+
+        for (U32 i = 0; i < vertices.size(); i++)
+        {
+            LLVolumeFace::VertexData vert;
+
+            // Update min/max bounds
+            if (i == 0)
+            {
+                min = max = vertices[i].position;
+            }
+            else
+            {
+                min.x = std::min(min.x, vertices[i].position.x);
+                min.y = std::min(min.y, vertices[i].position.y);
+                min.z = std::min(min.z, vertices[i].position.z);
+                max.x = std::max(max.x, vertices[i].position.x);
+                max.y = std::max(max.y, vertices[i].position.y);
+                max.z = std::max(max.z, vertices[i].position.z);
+            }
+
+            LLVector4a position = LLVector4a(vertices[i].position.x, vertices[i].position.y, vertices[i].position.z);
+            LLVector4a normal = LLVector4a(vertices[i].normal.x, vertices[i].normal.y, vertices[i].normal.z);
+            vert.setPosition(position);
+            vert.setNormal(normal);
+            vert.mTexCoord = LLVector2(vertices[i].uv0.x, vertices[i].uv0.y);
+            faceVertices.push_back(vert);
+
+            if (skinIdx >= 0)
+            {
+                // create list of weights that influence this vertex
+                LLModel::weight_list weight_list;
+
+                // Drop joints that viewer doesn't support (negative in gltf_joint_index_use_count)
+                // don't reindex them yet, more indexes will be removed
+                // Also drop joints that have no weight. GLTF stores 4 per vertex, so there might be
+                // 'empty' ones
+                if (gltf_joint_index_use[vertices[i].joints.x] >= 0
+                    && vertices[i].weights.x > 0.f)
+                {
+                    weight_list.push_back(LLModel::JointWeight(vertices[i].joints.x, vertices[i].weights.x));
+                    gltf_joint_index_use[vertices[i].joints.x]++;
+                }
+                if (gltf_joint_index_use[vertices[i].joints.y] >= 0
+                    && vertices[i].weights.y > 0.f)
+                {
+                    weight_list.push_back(LLModel::JointWeight(vertices[i].joints.y, vertices[i].weights.y));
+                    gltf_joint_index_use[vertices[i].joints.y]++;
+                }
+                if (gltf_joint_index_use[vertices[i].joints.z] >= 0
+                    && vertices[i].weights.z > 0.f)
+                {
+                    weight_list.push_back(LLModel::JointWeight(vertices[i].joints.z, vertices[i].weights.z));
+                    gltf_joint_index_use[vertices[i].joints.z]++;
+                }
+                if (gltf_joint_index_use[vertices[i].joints.w] >= 0
+                    && vertices[i].weights.w > 0.f)
+                {
+                    weight_list.push_back(LLModel::JointWeight(vertices[i].joints.w, vertices[i].weights.w));
+                    gltf_joint_index_use[vertices[i].joints.w]++;
+                }
+
+                std::sort(weight_list.begin(), weight_list.end(), LLModel::CompareWeightGreater());
+
+                std::vector<LLModel::JointWeight> wght;
+                F32                               total = 0.f;
+
+                for (U32 j = 0; j < llmin((U32)4, (U32)weight_list.size()); ++j)
+                {
+                    // take up to 4 most significant weights
+                    // Ported from the DAE loader - however, GLTF right now only supports up to four weights per vertex.
+                    wght.push_back(weight_list[j]);
+                    total += weight_list[j].mWeight;
+                }
+
+                if (total != 0.f)
+                {
+                    F32 scale = 1.f / total;
+                    if (scale != 1.f)
+                    { // normalize weights
+                        for (U32 j = 0; j < wght.size(); ++j)
+                        {
+                            wght[j].mWeight *= scale;
+                        }
+                    }
+                }
+
+                if (wght.size() > 0)
+                {
+                    pModel->mSkinWeights[LLVector3(vertices[i].position)] = wght;
+                }
+            }
+        }
+
+        // Indices handling
+        if (faceVertices.size() >= VERTEX_LIMIT)
+        {
+            // Will have to remap 32 bit indices into 16 bit indices
+            // For the sake of simplicity build vector of 32 bit indices first
+            std::vector<U32> indices_32;
+            for (U32 i = 0; i < prim.getIndexCount(); i += 3)
+            {
+                // When processing indices, flip winding order if needed
+                if (hasNegativeScale)
+                {
+                    // Flip winding order for negative scale
+                    indices_32.push_back(prim.mIndexArray[i]);
+                    indices_32.push_back(prim.mIndexArray[i + 2]); // Swap these two
+                    indices_32.push_back(prim.mIndexArray[i + 1]);
+                }
+                else
+                {
+                    indices_32.push_back(prim.mIndexArray[i]);
+                    indices_32.push_back(prim.mIndexArray[i + 1]);
+                    indices_32.push_back(prim.mIndexArray[i + 2]);
+                }
+            }
+
+            // Generates a vertex remap table with no gaps in the resulting sequence
+            std::vector<U32> remap(faceVertices.size());
+            size_t vertex_count = meshopt_generateVertexRemap(&remap[0], &indices_32[0], indices_32.size(), &faceVertices[0], faceVertices.size(), sizeof(LLVolumeFace::VertexData));
+
+            // Manually remap vertices
+            std::vector<LLVolumeFace::VertexData> optimized_vertices(vertex_count);
+            for (size_t i = 0; i < vertex_count; ++i)
+            {
+                optimized_vertices[i] = faceVertices[remap[i]];
+            }
+
+            std::vector<U32> optimized_indices(indices_32.size());
+            meshopt_remapIndexBuffer(&optimized_indices[0], &indices_32[0], indices_32.size(), &remap[0]);
+
+            // Sort indices to improve mesh splits (reducing amount of duplicated indices)
+            meshopt_optimizeVertexCache(&optimized_indices[0], &optimized_indices[0], indices_32.size(), vertex_count);
+
+            std::vector<U16> indices_16;
+            std::vector<S64> vertices_remap;
+            vertices_remap.resize(vertex_count, -1);
+            S32 created_faces = 0;
+            std::vector<LLVolumeFace::VertexData> face_verts;
+            min = glm::vec3(FLT_MAX);
+            max = glm::vec3(-FLT_MAX);
+
+            for (size_t idx = 0; idx < optimized_indices.size(); idx++)
+            {
+                size_t vert_index = optimized_indices[idx];
+                if (vertices_remap[vert_index] == -1)
+                {
+                    // First encounter, add it
+                    size_t new_vert_idx = face_verts.size();
+                    vertices_remap[vert_index] = (S64)new_vert_idx;
+                    face_verts.push_back(optimized_vertices[vert_index]);
+                    vert_index = new_vert_idx;
+
+                    // Update min/max bounds
+                    const LLVector4a& vec = face_verts[new_vert_idx].getPosition();
+                    if (new_vert_idx == 0)
+                    {
+                        min.x = vec[0];
+                        min.y = vec[1];
+                        min.z = vec[2];
+                        max = min;
+                    }
+                    else
+                    {
+                        min.x = std::min(min.x, vec[0]);
+                        min.y = std::min(min.y, vec[1]);
+                        min.z = std::min(min.z, vec[2]);
+                        max.x = std::max(max.x, vec[0]);
+                        max.y = std::max(max.y, vec[1]);
+                        max.z = std::max(max.z, vec[2]);
+                    }
+                }
+                else
+                {
+                    // already in vector, get position
+                    vert_index = (size_t)vertices_remap[vert_index];
+                }
+                indices_16.push_back((U16)vert_index);
+
+                if (indices_16.size() % 3 == 0 && face_verts.size() >= VERTEX_LIMIT)
+                {
+                    LLVolumeFace face;
+                    face.fillFromLegacyData(face_verts, indices_16);
+                    face.mExtents[0] = LLVector4a(min.x, min.y, min.z, 0);
+                    face.mExtents[1] = LLVector4a(max.x, max.y, max.z, 0);
+                    pModel->getVolumeFaces().push_back(face);
+                    pModel->getMaterialList().push_back(materialName);
+                    created_faces++;
+
+                    std::fill(vertices_remap.begin(), vertices_remap.end(), -1);
+                    indices_16.clear();
+                    face_verts.clear();
+
+                    min = glm::vec3(FLT_MAX);
+                    max = glm::vec3(-FLT_MAX);
+                }
+            }
+            if (indices_16.size() > 0 && face_verts.size() > 0)
+            {
+                LLVolumeFace face;
+                face.fillFromLegacyData(face_verts, indices_16);
+                face.mExtents[0] = LLVector4a(min.x, min.y, min.z, 0);
+                face.mExtents[1] = LLVector4a(max.x, max.y, max.z, 0);
+                pModel->getVolumeFaces().push_back(face);
+                pModel->getMaterialList().push_back(materialName);
+                created_faces++;
+            }
+
+            LL_INFOS("GLTF_IMPORT") << "Primitive " << (S32)prim_idx << " from model " << pModel->mLabel
+                << " is over vertices limit, it was split into " << created_faces
+                << " faces" << LL_ENDL;
+            LLSD args;
+            args["Message"] = "ModelSplitPrimitive";
+            args["MODEL_NAME"] = pModel->mLabel;
+            args["FACE_COUNT"] = created_faces;
+            mWarningsArray.append(args);
+        }
+        else
+        {
+            // can use indices directly
+            std::vector<U16> indices;
+            for (U32 i = 0; i < prim.getIndexCount(); i += 3)
+            {
+                // When processing indices, flip winding order if needed
+                if (hasNegativeScale)
+                {
+                    // Flip winding order for negative scale
+                    indices.push_back(prim.mIndexArray[i]);
+                    indices.push_back(prim.mIndexArray[i + 2]); // Swap these two
+                    indices.push_back(prim.mIndexArray[i + 1]);
+                }
+                else
+                {
+                    indices.push_back(prim.mIndexArray[i]);
+                    indices.push_back(prim.mIndexArray[i + 1]);
+                    indices.push_back(prim.mIndexArray[i + 2]);
+                }
+            }
+
+            face.fillFromLegacyData(faceVertices, indices);
+            face.mExtents[0] = LLVector4a(min.x, min.y, min.z, 0);
+            face.mExtents[1] = LLVector4a(max.x, max.y, max.z, 0);
+
+            pModel->getVolumeFaces().push_back(face);
+            pModel->getMaterialList().push_back(materialName);
+        }
+    }
+
+    // Call normalizeVolumeFacesAndWeights to compute proper extents
+    pModel->normalizeVolumeFacesAndWeights();
+
+    // Fill joint names, bind matrices and remap weight indices
+    if (skinIdx >= 0)
+    {
+        LL::GLTF::Skin& gltf_skin = mGLTFAsset.mSkins[skinIdx];
+        LLMeshSkinInfo& skin_info = pModel->mSkinInfo;
+        S32 valid_joints_count = mValidJointsCount[skinIdx];
+
+        S32 replacement_index = 0;
+        std::vector<S32> gltfindex_to_joitindex_map;
+        size_t jointCnt = gltf_skin.mJoints.size();
+        gltfindex_to_joitindex_map.resize(jointCnt, -1);
+
+        if (valid_joints_count > (S32)mMaxJointsPerMesh)
+        {
+            std::map<std::string, S32> goup_use_count;
+
+            for (const auto& elem : mJointGroups)
+            {
+                goup_use_count[elem.second.mGroup] = 0;
+                goup_use_count[elem.second.mParentGroup] = 0;
+            }
+
+            // Assume that 'Torso' group is always in use since that's what everything else is attached to
+            goup_use_count["Torso"] = 1;
+            // Note that Collisions and Extra groups are all over the place, might want to include them from the start
+            // or add individual when parents are added
+
+            // Check which groups are in use
+            for (size_t i = 0; i < jointCnt; ++i)
+            {
+                std::string& joint_name = mJointNames[skinIdx][i];
+                if (!joint_name.empty())
+                {
+                    if (gltf_joint_index_use[i] > 0)
+                    {
+                        const JointGroups &group = mJointGroups[joint_name];
+                        // Joint in use, increment it's groups
+                        goup_use_count[group.mGroup]++;
+                        goup_use_count[group.mParentGroup]++;
+                    }
+                }
+            }
+
+            // 1. add joints that are in use directly
+            for (size_t i = 0; i < jointCnt; ++i)
+            {
+                // Process joint name and idnex
+                S32 joint = gltf_skin.mJoints[i];
+                if (gltf_joint_index_use[i] <= 0)
+                {
+                    // unsupported (-1) joint, drop it
+                    // unused (0) joint, drop it
+                    continue;
+                }
+
+                if (addJointToModelSkin(skin_info, skinIdx, i))
+                {
+                    gltfindex_to_joitindex_map[i] = replacement_index++;
+                }
+            }
+
+            // 2. add joints from groups that this model's joints belong to
+            // It's perfectly valid to have more joints than is in use
+            // Ex: sandals that make your legs digitigrade despite not skining to
+            // knees or the like.
+            // Todo: sort and add by usecount
+            for (size_t i = 0; i < jointCnt; ++i)
+            {
+                S32 joint = gltf_skin.mJoints[i];
+                if (gltf_joint_index_use[i] != 0)
+                {
+                    // this step needs only joints that have zero uses
+                    continue;
+                }
+                if (skin_info.mInvBindMatrix.size() > mMaxJointsPerMesh)
+                {
+                    break;
+                }
+                const std::string& legal_name = mJointNames[skinIdx][i];
+                std::string group_name = mJointGroups[legal_name].mGroup;
+                if (goup_use_count[group_name] > 0)
+                {
+                    if (addJointToModelSkin(skin_info, skinIdx, i))
+                    {
+                        gltfindex_to_joitindex_map[i] = replacement_index++;
+                    }
+                }
+            }
+        }
+        else
+        {
+            // Less than 110, just add every valid joint
+            for (size_t i = 0; i < jointCnt; ++i)
+            {
+                // Process joint name and idnex
+                S32 joint = gltf_skin.mJoints[i];
+                if (gltf_joint_index_use[i] < 0)
+                {
+                    // unsupported (-1) joint, drop it
+                    continue;
+                }
+
+                if (addJointToModelSkin(skin_info, skinIdx, i))
+                {
+                    gltfindex_to_joitindex_map[i] = replacement_index++;
+                }
+            }
+        }
+
+        if (skin_info.mInvBindMatrix.size() > mMaxJointsPerMesh)
+        {
+            // mMaxJointsPerMesh ususlly is equal to LL_MAX_JOINTS_PER_MESH_OBJECT
+            // and is 110.
+            LL_WARNS("GLTF_IMPORT") << "Too many jonts in " << pModel->mLabel
+                << " Count: " << (S32)skin_info.mInvBindMatrix.size()
+                << " Limit:" << (S32)mMaxJointsPerMesh << LL_ENDL;
+            LLSD args;
+            args["Message"] = "ModelTooManyJoints";
+            args["MODEL_NAME"] = pModel->mLabel;
+            args["JOINT_COUNT"] = (S32)skin_info.mInvBindMatrix.size();
+            args["MAX"] = (S32)mMaxJointsPerMesh;
+            mWarningsArray.append(args);
+        }
+
+        // Remap indices for pModel->mSkinWeights
+        for (auto& weights : pModel->mSkinWeights)
+        {
+            for (auto& weight : weights.second)
+            {
+                weight.mJointIdx = gltfindex_to_joitindex_map[weight.mJointIdx];
+            }
+        }
+    }
+
+    return true;
+}
+
+void LLGLTFLoader::populateJointsFromSkin(S32 skin_idx)
+{
+    const LL::GLTF::Skin& skin = mGLTFAsset.mSkins[skin_idx];
+
+    LL_INFOS("GLTF_DEBUG") << "populateJointFromSkin: Processing skin " << skin_idx << " with " << skin.mJoints.size() << " joints" << LL_ENDL;
+
+    if (skin.mInverseBindMatrices > 0 && skin.mJoints.size() != skin.mInverseBindMatricesData.size())
+    {
+        LL_INFOS("GLTF_IMPORT") << "Bind matrices count mismatch joints count" << LL_ENDL;
+        LLSD args;
+        args["Message"] = "InvBindCountMismatch";
+        mWarningsArray.append(args);
+    }
+
+    S32 joint_count = (S32)skin.mJoints.size();
+    S32 inverse_count = (S32)skin.mInverseBindMatricesData.size();
+    if (mInverseBindMatrices.size() <= skin_idx)
+    {
+        mInverseBindMatrices.resize(skin_idx + 1);
+        mAlternateBindMatrices.resize(skin_idx + 1);
+        mJointNames.resize(skin_idx + 1);
+        mJointUsage.resize(skin_idx + 1);
+        mValidJointsCount.resize(skin_idx + 1, 0);
+    }
+
+    // fill up joints related data
+    joints_data_map_t joints_data;
+    joints_name_to_node_map_t names_to_nodes;
+    for (S32 i = 0; i < joint_count; i++)
+    {
+        S32 joint = skin.mJoints[i];
+        const LL::GLTF::Node &jointNode = mGLTFAsset.mNodes[joint];
+        JointNodeData& data = joints_data[joint];
+        data.mNodeIdx = joint;
+        data.mJointListIdx = i;
+        data.mGltfRestMatrix = buildGltfRestMatrix(joint, skin);
+        data.mGltfMatrix = jointNode.mMatrix;
+        data.mOverrideMatrix = glm::mat4(1.f);
+
+        if (mJointMap.find(jointNode.mName) != mJointMap.end())
+        {
+            data.mName = mJointMap[jointNode.mName];
+            data.mIsValidViewerJoint = true;
+            mValidJointsCount[skin_idx]++;
+        }
+        else
+        {
+            data.mName = jointNode.mName;
+            data.mIsValidViewerJoint = false;
+        }
+        names_to_nodes[data.mName] = joint;
+
+        for (S32 child : jointNode.mChildren)
+        {
+            JointNodeData& child_data = joints_data[child];
+            child_data.mParentNodeIdx = joint;
+            child_data.mIsParentValidViewerJoint = data.mIsValidViewerJoint;
+        }
+    }
+
+    // Go over viewer joints and build overrides
+    // This is needed because gltf skeleton doesn't necessarily match viewer's skeleton.
+    glm::mat4 ident(1.0);
+    for (auto &viewer_data : mViewerJointData)
+    {
+        buildOverrideMatrix(viewer_data, joints_data, names_to_nodes, ident, ident);
+    }
+
+    for (S32 i = 0; i < joint_count; i++)
+    {
+        S32 joint = skin.mJoints[i];
+        const LL::GLTF::Node &jointNode = mGLTFAsset.mNodes[joint];
+        std::string legal_name(jointNode.mName);
+
+        // Viewer supports a limited set of joints, mark them as legal
+        bool legal_joint = false;
+        if (mJointMap.find(legal_name) != mJointMap.end())
+        {
+            legal_name = mJointMap[legal_name];
+            legal_joint = true;
+            mJointNames[skin_idx].push_back(legal_name);
+        }
+        else
+        {
+            mJointNames[skin_idx].emplace_back();
+        }
+        mJointUsage[skin_idx].push_back(0);
+
+        // Compute bind matrices
+
+        if (!legal_joint)
+        {
+            // Add placeholder to not break index.
+            // Not going to be used by viewer, will be stripped from skin_info.
+            LLMatrix4 gltf_transform;
+            gltf_transform.setIdentity();
+            mInverseBindMatrices[skin_idx].push_back(LLMatrix4a(gltf_transform));
+        }
+        else if (inverse_count > i)
+        {
+            // Transalte existing bind matrix to viewer's overriden skeleton
+            glm::mat4 original_bind_matrix = glm::inverse(skin.mInverseBindMatricesData[i]);
+            glm::mat4 rotated_original = coord_system_rotation * original_bind_matrix;
+            glm::mat4 skeleton_transform = computeGltfToViewerSkeletonTransform(joints_data, joint, legal_name);
+            glm::mat4 tranlated_original = skeleton_transform * rotated_original;
+            glm::mat4 final_inverse_bind_matrix = glm::inverse(tranlated_original);
+
+            LLMatrix4 gltf_transform = LLMatrix4(glm::value_ptr(final_inverse_bind_matrix));
+            LL_DEBUGS("GLTF_DEBUG") << "mInvBindMatrix name: " << legal_name << " Translated val: " << gltf_transform << LL_ENDL;
+            mInverseBindMatrices[skin_idx].push_back(LLMatrix4a(gltf_transform));
+        }
+        else
+        {
+            // If bind matrices aren't present (they are optional in gltf),
+            // assume an identy matrix
+            // todo: find a model with this, might need to use YZ rotated matrix
+            glm::mat4 inv_bind(1.0f);
+            glm::mat4 skeleton_transform = computeGltfToViewerSkeletonTransform(joints_data, joint, legal_name);
+            inv_bind = glm::inverse(skeleton_transform * inv_bind);
+
+            LLMatrix4 gltf_transform = LLMatrix4(glm::value_ptr(inv_bind));
+            LL_DEBUGS("GLTF_DEBUG") << "mInvBindMatrix name: " << legal_name << " Generated val: " << gltf_transform << LL_ENDL;
+            mInverseBindMatrices[skin_idx].push_back(LLMatrix4a(gltf_transform));
+        }
+
+        // Compute Alternative matrices also known as overrides
+        LLMatrix4 original_joint_transform(glm::value_ptr(joints_data[joint].mOverrideMatrix));
+
+        // Viewer seems to care only about translation part,
+        // but for parity with collada taking original value
+        LLMatrix4 newInverse = LLMatrix4(mInverseBindMatrices[skin_idx].back().getF32ptr());
+        newInverse.setTranslation(original_joint_transform.getTranslation());
+
+        LL_DEBUGS("GLTF_DEBUG") << "mAlternateBindMatrix name: " << legal_name << " val: " << newInverse << LL_ENDL;
+        mAlternateBindMatrices[skin_idx].push_back(LLMatrix4a(newInverse));
+
+        if (legal_joint)
+        {
+            // Might be needed for uploader UI to correctly identify overriden joints
+            // but going to be incorrect if multiple skins are present
+            mJointList[legal_name] = newInverse;
+            mJointsFromNode.push_front(legal_name);
+        }
+    }
+
+    S32 valid_joints = mValidJointsCount[skin_idx];
+    if (valid_joints < joint_count)
+    {
+        LL_INFOS("GLTF_IMPORT") << "Skin " << skin_idx
+            << " defines " << joint_count
+            << " joints, but only " << valid_joints
+            << " were recognized and are compatible." << LL_ENDL;
+        LLSD args;
+        args["Message"] = "SkinUsupportedJoints";
+        args["SKIN_INDEX"] = skin_idx;
+        args["JOINT_COUNT"] = joint_count;
+        args["LEGAL_COUNT"] = valid_joints;
+        mWarningsArray.append(args);
+    }
+}
+
+void LLGLTFLoader::populateJointGroups()
+{
+    std::string parent;
+    for (auto& viewer_data : mViewerJointData)
+    {
+        buildJointGroup(viewer_data, parent);
+    }
+}
+
+void LLGLTFLoader::buildJointGroup(LLJointData& viewer_data, const std::string &parent_group)
+{
+    JointGroups& jount_group_data = mJointGroups[viewer_data.mName];
+    jount_group_data.mGroup = viewer_data.mGroup;
+    jount_group_data.mParentGroup = parent_group;
+
+    for (LLJointData& child_data : viewer_data.mChildren)
+    {
+        buildJointGroup(child_data, viewer_data.mGroup);
+    }
+}
+
+void LLGLTFLoader::buildOverrideMatrix(LLJointData& viewer_data, joints_data_map_t &gltf_nodes, joints_name_to_node_map_t &names_to_nodes, glm::mat4& parent_rest, glm::mat4& parent_support_rest) const
+{
+    glm::mat4 rest(1.f);
+    joints_name_to_node_map_t::iterator found_node = names_to_nodes.find(viewer_data.mName);
+    if (found_node != names_to_nodes.end())
+    {
+        S32 gltf_node_idx = found_node->second;
+        JointNodeData& node = gltf_nodes[gltf_node_idx];
+        node.mIsOverrideValid = true;
+        node.mViewerRestMatrix = viewer_data.mRestMatrix;
+
+        glm::mat4 gltf_joint_rest_pose = coord_system_rotation * node.mGltfRestMatrix;
+        if (mApplyXYRotation)
+        {
+            gltf_joint_rest_pose = coord_system_rotationxy * gltf_joint_rest_pose;
+        }
+
+        glm::mat4 translated_joint;
+        // Example:
+        // Viewer has pelvis->spine1->spine2->torso.
+        // gltf example model has pelvis->torso
+        // By doing glm::inverse(transalted_rest_spine2) * gltf_rest_torso
+        // We get what torso would have looked like if gltf had a spine2
+        if (viewer_data.mIsJoint)
+        {
+            translated_joint = glm::inverse(parent_rest) * gltf_joint_rest_pose;
+        }
+        else
+        {
+            translated_joint = glm::inverse(parent_support_rest) * gltf_joint_rest_pose;
+        }
+
+        glm::vec3 translation_override;
+        glm::vec3 skew;
+        glm::vec3 scale;
+        glm::vec4 perspective;
+        glm::quat rotation;
+        glm::decompose(translated_joint, scale, rotation, translation_override, skew, perspective);
+
+        // Viewer allows overrides, which are base joint with applied translation override.
+        // fortunately normal bones use only translation, without rotation or scale
+        node.mOverrideMatrix = glm::recompose(glm::vec3(1, 1, 1), glm::identity<glm::quat>(), translation_override, glm::vec3(0, 0, 0), glm::vec4(0, 0, 0, 1));
+
+        glm::mat4 overriden_joint = node.mOverrideMatrix;
+
+        // todo: if gltf bone had rotation or scale, they probably should be saved here
+        // then applied to bind matrix
+        rest = parent_rest * overriden_joint;
+        if (viewer_data.mIsJoint)
+        {
+            node.mOverrideRestMatrix = rest;
+        }
+        else
+        {
+            // This is likely incomplete or even wrong.
+            // Viewer Collision bones specify rotation and scale.
+            // Importer should apply rotation and scale to this matrix and save as needed
+            // then subsctruct them from bind matrix
+            // Todo: get models that use collision bones, made by different programs
+
+            overriden_joint = glm::scale(overriden_joint, viewer_data.mScale);
+            node.mOverrideRestMatrix = parent_support_rest * overriden_joint;
+        }
+    }
+    else
+    {
+        // No override for this joint
+        rest = parent_rest * viewer_data.mJointMatrix;
+    }
+
+    glm::mat4 support_rest(1.f);
+    if (viewer_data.mSupport == LLJointData::SUPPORT_BASE)
+    {
+        support_rest = rest;
+    }
+    else
+    {
+        support_rest = parent_support_rest;
+    }
+
+    for (LLJointData& child_data : viewer_data.mChildren)
+    {
+        buildOverrideMatrix(child_data, gltf_nodes, names_to_nodes, rest, support_rest);
+    }
+}
+
+glm::mat4 LLGLTFLoader::buildGltfRestMatrix(S32 joint_node_index, const LL::GLTF::Skin& gltf_skin) const
+{
+    // This is inefficient since we are recalculating some joints multiple times over
+    // Todo: cache it?
+
+    if (joint_node_index < 0 || joint_node_index >= static_cast<S32>(mGLTFAsset.mNodes.size()))
+    {
+        return glm::mat4(1.0f);
+    }
+
+    const auto& node = mGLTFAsset.mNodes[joint_node_index];
+
+    // Find and apply parent transform if it exists
+    for (size_t i = 0; i < mGLTFAsset.mNodes.size(); ++i)
+    {
+        const auto& potential_parent = mGLTFAsset.mNodes[i];
+        auto it = std::find(potential_parent.mChildren.begin(), potential_parent.mChildren.end(), joint_node_index);
+
+        if (it != potential_parent.mChildren.end())
+        {
+            // Found parent
+            if (std::find(gltf_skin.mJoints.begin(), gltf_skin.mJoints.end(), joint_node_index) != gltf_skin.mJoints.end())
+            {
+                // parent is a joint - recursively combine transform
+                // assumes that matrix is already valid
+                return buildGltfRestMatrix(static_cast<S32>(i), gltf_skin) * node.mMatrix;
+            }
+        }
+    }
+    // Should we return armature or stop earlier?
+    return node.mMatrix;
+}
+
+glm::mat4 LLGLTFLoader::buildGltfRestMatrix(S32 joint_node_index, const joints_data_map_t& joint_data) const
+{
+    // This is inefficient since we are recalculating some joints multiple times over
+    // Todo: cache it?
+
+    if (joint_node_index < 0 || joint_node_index >= static_cast<S32>(mGLTFAsset.mNodes.size()))
+    {
+        return glm::mat4(1.0f);
+    }
+
+    auto& data = joint_data.at(joint_node_index);
+
+    if (data.mParentNodeIdx >=0)
+    {
+        return buildGltfRestMatrix(data.mParentNodeIdx, joint_data) * data.mGltfMatrix;
+    }
+    // Should we return armature or stop earlier?
+    return data.mGltfMatrix;
+}
+
+// This function computes the transformation matrix needed to convert from GLTF skeleton space
+// to viewer skeleton space for a specific joint
+
+glm::mat4 LLGLTFLoader::computeGltfToViewerSkeletonTransform(const joints_data_map_t& joints_data_map, S32 gltf_node_index, const std::string& joint_name) const
+{
+    const JointNodeData& node_data = joints_data_map.at(gltf_node_index);
+    if (!node_data.mIsOverrideValid)
+    {
+        // For now assume they are identical and return an identity (for ease of debuging)
+        return glm::mat4(1.0f);
+    }
+
+    // Get the GLTF joint's rest pose (in GLTF coordinate system)
+    const glm::mat4 &gltf_joint_rest_pose = node_data.mGltfRestMatrix;
+    glm::mat4 rest_pose = coord_system_rotation * gltf_joint_rest_pose;
+
+    LL_INFOS("GLTF_DEBUG") << "rest matrix for joint " << joint_name << ": ";
+
+    LLMatrix4 transform(glm::value_ptr(rest_pose));
+
+    LL_CONT << transform << LL_ENDL;
+
+    // Compute transformation from GLTF space to viewer space
+    // This assumes both skeletons are in rest pose initially
+    return node_data.mOverrideRestMatrix * glm::inverse(rest_pose);
+}
+
+bool LLGLTFLoader::checkForXYrotation(const LL::GLTF::Skin& gltf_skin, S32 joint_idx, S32 bind_indx)
+{
+    glm::mat4 gltf_joint_rest = buildGltfRestMatrix(joint_idx, gltf_skin);
+    glm::mat4 test_mat = glm::inverse(gltf_joint_rest) * gltf_skin.mInverseBindMatricesData[bind_indx];
+    // Normally for shoulders it should be something close to
+    // {1,0,0,0;0,-1,0,0;0,0,-1,0;0,0,0,1}
+    // rotated one will look like
+    // {0,0,0,-1;1,0,0,0;0,-1,0,0;0,0,0,1}
+    // Todo: This is a cheap hack,
+    // figure out how rotation is supposed to work
+    return abs(test_mat[0][0]) < 0.5 && abs(test_mat[1][1]) < 0.5 && abs(test_mat[2][2]) < 0.5;
+}
+
+void LLGLTFLoader::checkForXYrotation(const LL::GLTF::Skin& gltf_skin)
+{
+    // HACK: figure out model's rotation from shoulders' matrix.
+    // This is wrong on many levels:
+    // Too limited (only models that have shoulders),
+    // Will not work well with things that emulate 3 hands in some manner
+    // Only supports xy 90 degree rotation
+    // Todo: figure out how to find skeleton's orientation Correctly
+    // when model is rotated at a triangle level
+    constexpr char right_shoulder_str[] = "mShoulderRight";
+    constexpr char left_shoulder_str[] = "mShoulderLeft";
+
+    S32 size = (S32)gltf_skin.mJoints.size();
+    S32 joints_found = 0;
+    for (S32 i= 0; i < size; i++)
+    {
+        S32 joint = gltf_skin.mJoints[i];
+        const LL::GLTF::Node &joint_node = mGLTFAsset.mNodes[joint];
+
+        // todo: we are doing this search thing everywhere,
+        // just pre-translate every joint
+        JointMap::iterator found = mJointMap.find(joint_node.mName);
+        if (found == mJointMap.end())
+        {
+            // unsupported joint
+            continue;
+        }
+        if (found->second == right_shoulder_str || found->second == left_shoulder_str)
+        {
+            if (checkForXYrotation(gltf_skin, joint, i))
+            {
+                joints_found++;
+            }
+            else
+            {
+                return;
+            }
+        }
+    }
+
+    if (joints_found == 2)
+    {
+        // Both joints in a weird position/rotation, assume rotated model
+        mApplyXYRotation = true;
+    }
+}
+
+void LLGLTFLoader::checkGlobalJointUsage()
+{
+    // Check if some joints remained unused
+    for (S32 skin_idx = 0; skin_idx < (S32)mGLTFAsset.mSkins.size(); ++skin_idx)
+    {
+        const LL::GLTF::Skin& gltf_skin = mGLTFAsset.mSkins[skin_idx];
+        S32 joint_count = (S32)gltf_skin.mJoints.size();
+        S32 used_joints = 0;
+        for (S32 i = 0; i < joint_count; ++i)
+        {
+            S32 joint = gltf_skin.mJoints[i];
+            if (mJointUsage[skin_idx][i] == 0)
+            {
+                // Joint is unused, log it
+                LL_INFOS("GLTF_DEBUG") << "Joint " << mJointNames[skin_idx][i]
+                    << " in skin " << skin_idx << " is unused." << LL_ENDL;
+            }
+            else
+            {
+                used_joints++;
+            }
+        }
+
+        S32 valid_joints = mValidJointsCount[skin_idx];
+        if (valid_joints > used_joints)
+        {
+            S32 unsed_joints = valid_joints - used_joints;
+            LL_INFOS("GLTF_IMPORT") << "Skin " << skin_idx
+                << " declares " << valid_joints
+                << " valid joints, of them " << unsed_joints
+                << " remained unused" << LL_ENDL;
+            LLSD args;
+            args["Message"] = "SkinUnusedJoints";
+            args["SKIN_INDEX"] = (S32)skin_idx;
+            args["JOINT_COUNT"] = valid_joints;
+            args["USED_COUNT"] = used_joints;
+            mWarningsArray.append(args);
+        }
+    }
+}
+
+std::string LLGLTFLoader::extractTextureToTempFile(S32 textureIndex, const std::string& texture_type)
+{
+    if (textureIndex < 0 || textureIndex >= mGLTFAsset.mTextures.size())
+        return "";
+
+    S32 sourceIndex = mGLTFAsset.mTextures[textureIndex].mSource;
+    if (sourceIndex < 0 || sourceIndex >= mGLTFAsset.mImages.size())
+        return "";
+
+    LL::GLTF::Image& image = mGLTFAsset.mImages[sourceIndex];
+
+    // Handle URI-based textures
+    if (!image.mUri.empty())
+    {
+        return image.mUri; // Return URI directly
+    }
+
+    // Handle embedded textures
+    if (image.mBufferView >= 0)
+    {
+        if (image.mBufferView < mGLTFAsset.mBufferViews.size())
+        {
+            const LL::GLTF::BufferView& buffer_view = mGLTFAsset.mBufferViews[image.mBufferView];
+            if (buffer_view.mBuffer < mGLTFAsset.mBuffers.size())
+            {
+                const LL::GLTF::Buffer& buffer = mGLTFAsset.mBuffers[buffer_view.mBuffer];
+
+                if (buffer_view.mByteOffset + buffer_view.mByteLength <= buffer.mData.size())
+                {
+                    // Extract image data
+                    const U8* data_ptr = &buffer.mData[buffer_view.mByteOffset];
+                    U32 data_size = buffer_view.mByteLength;
+
+                    // Determine the file extension
+                    std::string extension = ".png"; // Default
+                    if (!image.mMimeType.empty())
+                    {
+                        if (image.mMimeType == "image/jpeg")
+                            extension = ".jpg";
+                        else if (image.mMimeType == "image/png")
+                            extension = ".png";
+                    }
+                    else if (data_size >= 4)
+                    {
+                        if (data_ptr[0] == 0xFF && data_ptr[1] == 0xD8)
+                            extension = ".jpg"; // JPEG magic bytes
+                        else if (data_ptr[0] == 0x89 && data_ptr[1] == 0x50 && data_ptr[2] == 0x4E && data_ptr[3] == 0x47)
+                            extension = ".png"; // PNG magic bytes
+                    }
+
+                    // Create a temporary file
+                    std::string temp_dir = gDirUtilp->getTempDir();
+                    std::string temp_filename = temp_dir + gDirUtilp->getDirDelimiter() +
+                                               "gltf_embedded_" + texture_type + "_" + std::to_string(sourceIndex) + extension;
+
+                    // Write the image data to the temporary file
+                    std::ofstream temp_file(temp_filename, std::ios::binary);
+                    if (temp_file.is_open())
+                    {
+                        temp_file.write(reinterpret_cast<const char*>(data_ptr), data_size);
+                        temp_file.close();
+
+                        LL_INFOS("GLTF_IMPORT") << "Extracted embedded " << texture_type << " texture to: " << temp_filename << LL_ENDL;
+                        return temp_filename;
+                    }
+                    else
+                    {
+                        LL_WARNS("GLTF_IMPORT") << "Failed to create temporary file for " << texture_type << " texture: " << temp_filename << LL_ENDL;
+
+                        LLSD args;
+                        args["Message"] = "FailedToCreateTempFile";
+                        args["TEXTURE_INDEX"] = sourceIndex;
+                        args["TEXTURE_TYPE"]  = texture_type;
+                        args["TEMP_FILE"] = temp_filename;
+                        mWarningsArray.append(args);
+                    }
+                }
+            }
+        }
+    }
+
+    return "";
+}
+
+void LLGLTFLoader::notifyUnsupportedExtension(bool unsupported)
+{
+    std::vector<std::string> extensions = unsupported ? mGLTFAsset.mUnsupportedExtensions : mGLTFAsset.mIgnoredExtensions;
+    if (extensions.size() > 0)
+    {
+        LLSD args;
+        args["Message"] = unsupported ? "UnsupportedExtension" : "IgnoredExtension";
+        std::string del;
+        std::string ext;
+        for (auto& extension : extensions)
+        {
+            ext += del;
+            ext += extension;
+            del = ",";
+        }
+        args["EXT"] = ext;
+        mWarningsArray.append(args);
+
+        LL_WARNS("GLTF_IMPORT") << "Model uses unsupported extension: " << ext << LL_ENDL;
+    }
+}
+
+size_t LLGLTFLoader::getSuffixPosition(const std::string &label)
+{
+    if ((label.find("_LOD") != -1) || (label.find("_PHYS") != -1))
+    {
+        return label.rfind('_');
+    }
+    return -1;
+}
+
+std::string LLGLTFLoader::getLodlessLabel(const LL::GLTF::Mesh& mesh)
+{
+    size_t ext_pos = getSuffixPosition(mesh.mName);
+    if (ext_pos != -1)
+    {
+        return mesh.mName.substr(0, ext_pos);
+    }
+    return mesh.mName;
+}
+
diff --git a/indra/newview/gltf/llgltfloader.h b/indra/newview/gltf/llgltfloader.h
new file mode 100644
index 0000000000..e8b91996c7
--- /dev/null
+++ b/indra/newview/gltf/llgltfloader.h
@@ -0,0 +1,216 @@
+/**
+ * @file LLGLTFLoader.h
+ * @brief LLGLTFLoader class definition
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLGLTFLoader_H
+#define LL_LLGLTFLoader_H
+
+#include "tinygltf/tiny_gltf.h"
+
+#include "asset.h"
+
+#include "llglheaders.h"
+#include "lljointdata.h"
+#include "llmodelloader.h"
+
+class LLGLTFLoader : public LLModelLoader
+{
+  public:
+    typedef std::map<std::string, LLImportMaterial> material_map;
+    typedef std::map<std::string, std::string> joint_viewer_parent_map_t;
+    typedef std::map<std::string, glm::mat4> joint_viewer_rest_map_t;
+    typedef std::map<S32, glm::mat4> joint_node_mat4_map_t;
+
+    struct JointNodeData
+    {
+        JointNodeData()
+            : mJointListIdx(-1)
+            , mNodeIdx(-1)
+            , mParentNodeIdx(-1)
+            , mIsValidViewerJoint(false)
+            , mIsParentValidViewerJoint(false)
+            , mIsOverrideValid(false)
+        {
+
+        }
+        S32 mJointListIdx;
+        S32 mNodeIdx;
+        S32 mParentNodeIdx;
+        glm::mat4 mGltfRestMatrix;
+        glm::mat4 mViewerRestMatrix;
+        glm::mat4 mOverrideRestMatrix;
+        glm::mat4 mGltfMatrix;
+        glm::mat4 mOverrideMatrix;
+        std::string mName;
+        bool mIsValidViewerJoint;
+        bool mIsParentValidViewerJoint;
+        bool mIsOverrideValid;
+    };
+    typedef std::map <S32, JointNodeData> joints_data_map_t;
+    typedef std::map <std::string, S32> joints_name_to_node_map_t;
+
+    class LLGLTFImportMaterial : public LLImportMaterial
+    {
+    public:
+        std::string name;
+        LLGLTFImportMaterial() = default;
+        LLGLTFImportMaterial(const LLImportMaterial& mat, const std::string& n) : LLImportMaterial(mat), name(n) {}
+    };
+
+    LLGLTFLoader(std::string filename,
+                    S32                                               lod,
+                    LLModelLoader::load_callback_t                    load_cb,
+                    LLModelLoader::joint_lookup_func_t                joint_lookup_func,
+                    LLModelLoader::texture_load_func_t                texture_load_func,
+                    LLModelLoader::state_callback_t                   state_cb,
+                    void *                                            opaque_userdata,
+                    JointTransformMap &                               jointTransformMap,
+                    JointNameSet &                                    jointsFromNodes,
+                    std::map<std::string, std::string, std::less<>> & jointAliasMap,
+                    U32                                               maxJointsPerMesh,
+                    U32                                               modelLimit,
+                    U32                                               debugMode,
+                    std::vector<LLJointData>                          viewer_skeleton); //,
+                    //bool                                            preprocess );
+    virtual ~LLGLTFLoader();
+
+    virtual bool OpenFile(const std::string &filename);
+
+    struct GLTFVertex
+    {
+        glm::vec3 position;
+        glm::vec3 normal;
+        glm::vec2 uv0;
+        glm::u16vec4 joints;
+        glm::vec4 weights;
+    };
+
+protected:
+    LL::GLTF::Asset mGLTFAsset;
+    tinygltf::Model mGltfModel;
+    bool            mGltfLoaded = false;
+    bool            mApplyXYRotation = false;
+
+    // GLTF isn't aware of viewer's skeleton and uses it's own,
+    // so need to take viewer's joints and use them to
+    // recalculate iverse bind matrices
+    std::vector<LLJointData>             mViewerJointData;
+
+    // vector of vectors because of a posibility of having more than one skin
+    typedef std::vector<LLMeshSkinInfo::matrix_list_t> bind_matrices_t;
+    typedef std::vector<std::vector<std::string> > joint_names_t;
+    bind_matrices_t                     mInverseBindMatrices;
+    bind_matrices_t                     mAlternateBindMatrices;
+    joint_names_t                       mJointNames; // empty string when no legal name for a given idx
+    std::vector<std::vector<S32>>       mJointUsage; // detect and warn about unsed joints
+
+    // what group a joint belongs to.
+    // For purpose of stripping unused groups when joints are over limit.
+    struct JointGroups
+    {
+        std::string mGroup;
+        std::string mParentGroup;
+    };
+    typedef std::map<std::string, JointGroups, std::less<> > joint_to_group_map_t;
+    joint_to_group_map_t mJointGroups;
+
+    // per skin joint count, needs to be tracked for the sake of limits check.
+    std::vector<S32>                    mValidJointsCount;
+
+    // Cached material information
+    typedef std::map<S32, LLGLTFImportMaterial> MaterialCache;
+    MaterialCache mMaterialCache;
+
+private:
+    bool parseMeshes();
+    void computeCombinedNodeTransform(const LL::GLTF::Asset& asset, S32 node_index, glm::mat4& combined_transform) const;
+    void processNodeHierarchy(S32 node_idx, std::map<std::string, S32>& mesh_name_counts, U32 submodel_limit, const LLVolumeParams& volume_params);
+    bool addJointToModelSkin(LLMeshSkinInfo& skin_info, S32 gltf_skin_idx, size_t gltf_joint_idx);
+    LLGLTFImportMaterial processMaterial(S32 material_index, S32 fallback_index);
+    std::string processTexture(S32 texture_index, const std::string& texture_type, const std::string& material_name);
+    bool validateTextureIndex(S32 texture_index, S32& source_index);
+    std::string generateMaterialName(S32 material_index, S32 fallback_index = -1);
+    bool populateModelFromMesh(LLModel* pModel, const std::string& base_name, const LL::GLTF::Mesh &mesh, const LL::GLTF::Node &node, material_map& mats);
+    void populateJointsFromSkin(S32 skin_idx);
+    void populateJointGroups();
+    void addModelToScene(LLModel* pModel, const std::string& model_name, U32 submodel_limit, const LLMatrix4& transformation, const LLVolumeParams& volume_params, const material_map& mats);
+    void buildJointGroup(LLJointData& viewer_data, const std::string& parent_group);
+    void buildOverrideMatrix(LLJointData& data, joints_data_map_t &gltf_nodes, joints_name_to_node_map_t &names_to_nodes, glm::mat4& parent_rest, glm::mat4& support_rest) const;
+    glm::mat4 buildGltfRestMatrix(S32 joint_node_index, const LL::GLTF::Skin& gltf_skin) const;
+    glm::mat4 buildGltfRestMatrix(S32 joint_node_index, const joints_data_map_t& joint_data) const;
+    glm::mat4 computeGltfToViewerSkeletonTransform(const joints_data_map_t& joints_data_map, S32 gltf_node_index, const std::string& joint_name) const;
+    bool checkForXYrotation(const LL::GLTF::Skin& gltf_skin, S32 joint_idx, S32 bind_indx);
+    void checkForXYrotation(const LL::GLTF::Skin& gltf_skin);
+    void checkGlobalJointUsage();
+
+    std::string extractTextureToTempFile(S32 textureIndex, const std::string& texture_type);
+
+    void notifyUnsupportedExtension(bool unsupported);
+
+    static size_t getSuffixPosition(const std::string& label);
+    static std::string getLodlessLabel(const LL::GLTF::Mesh& mesh);
+
+    //    bool mPreprocessGLTF;
+
+    /*  Below inherited from dae loader - unknown if/how useful here
+
+    void processElement(gltfElement *element, bool &badElement, GLTF *gltf);
+    void processGltfModel(LLModel *model, GLTF *gltf, gltfElement *pRoot, gltfMesh *mesh, gltfSkin *skin);
+
+    material_map     getMaterials(LLModel *model, gltfInstance_geometry *instance_geo, GLTF *gltf);
+    LLImportMaterial profileToMaterial(gltfProfile_COMMON *material, GLTF *gltf);
+    LLColor4         getGltfColor(gltfElement *element);
+
+    gltfElement *getChildFromElement(gltfElement *pElement, std::string const &name);
+
+    bool isNodeAJoint(gltfNode *pNode);
+    void processJointNode(gltfNode *pNode, std::map<std::string, LLMatrix4> &jointTransforms);
+    void extractTranslation(gltfTranslate *pTranslate, LLMatrix4 &transform);
+    void extractTranslationViaElement(gltfElement *pTranslateElement, LLMatrix4 &transform);
+    void extractTranslationViaSID(gltfElement *pElement, LLMatrix4 &transform);
+    void buildJointToNodeMappingFromScene(gltfElement *pRoot);
+    void processJointToNodeMapping(gltfNode *pNode);
+    void processChildJoints(gltfNode *pParentNode);
+
+    bool verifyCount(int expected, int result);
+
+    // Verify that a controller matches vertex counts
+    bool verifyController(gltfController *pController);
+
+    static bool addVolumeFacesFromGltfMesh(LLModel *model, gltfMesh *mesh, LLSD &log_msg);
+    static bool createVolumeFacesFromGltfMesh(LLModel *model, gltfMesh *mesh);
+
+    static LLModel *loadModelFromGltfMesh(gltfMesh *mesh);
+
+    // Loads a mesh breaking it into one or more models as necessary
+    // to get around volume face limitations while retaining >8 materials
+    //
+    bool loadModelsFromGltfMesh(gltfMesh *mesh, std::vector<LLModel *> &models_out, U32 submodel_limit);
+
+    static std::string preprocessGLTF(std::string filename);
+    */
+
+};
+#endif  // LL_LLGLTFLLOADER_H
diff --git a/indra/newview/gltfscenemanager.cpp b/indra/newview/gltfscenemanager.cpp
index 16a4332b25..ac452b38a0 100644
--- a/indra/newview/gltfscenemanager.cpp
+++ b/indra/newview/gltfscenemanager.cpp
@@ -319,7 +319,7 @@ void GLTFSceneManager::load(const std::string& filename)
 {
     std::shared_ptr<Asset> asset = std::make_shared<Asset>();
 
-    if (asset->load(filename))
+    if (asset->load(filename, true))
     {
         gDebugProgram.bind(); // bind a shader to satisfy LLVertexBuffer assertions
         asset->updateTransforms();
diff --git a/indra/newview/llagent.cpp b/indra/newview/llagent.cpp
index 085155714a..83b3d26560 100644
--- a/indra/newview/llagent.cpp
+++ b/indra/newview/llagent.cpp
@@ -3430,11 +3430,14 @@ void LLAgent::initOriginGlobal(const LLVector3d &origin_global)
 
 bool LLAgent::leftButtonGrabbed() const
 {
-    const bool camera_mouse_look = gAgentCamera.cameraMouselook();
-    return (!camera_mouse_look && mControlsTakenCount[CONTROL_LBUTTON_DOWN_INDEX] > 0)
-        || (camera_mouse_look && mControlsTakenCount[CONTROL_ML_LBUTTON_DOWN_INDEX] > 0)
-        || (!camera_mouse_look && mControlsTakenPassedOnCount[CONTROL_LBUTTON_DOWN_INDEX] > 0)
-        || (camera_mouse_look && mControlsTakenPassedOnCount[CONTROL_ML_LBUTTON_DOWN_INDEX] > 0);
+    if (gAgentCamera.cameraMouselook())
+    {
+        return mControlsTakenCount[CONTROL_ML_LBUTTON_DOWN_INDEX] > 0;
+    }
+    else
+    {
+        return mControlsTakenCount[CONTROL_LBUTTON_DOWN_INDEX] > 0;
+    }
 }
 
 bool LLAgent::rotateGrabbed() const
diff --git a/indra/newview/llagentcamera.cpp b/indra/newview/llagentcamera.cpp
index 3202d1c0d6..339656089c 100644
--- a/indra/newview/llagentcamera.cpp
+++ b/indra/newview/llagentcamera.cpp
@@ -1987,16 +1987,6 @@ LLVector3d LLAgentCamera::calcCameraPositionTargetGlobal(bool *hit_limit)
                 isConstrained = true;
             }
         }
-
-// JC - Could constrain camera based on parcel stuff here.
-//          LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromPosGlobal(camera_position_global);
-//
-//          if (regionp && !regionp->mParcelOverlay->isBuildCameraAllowed(regionp->getPosRegionFromGlobal(camera_position_global)))
-//          {
-//              camera_position_global = last_position_global;
-//
-//              isConstrained = true;
-//          }
     }
 
     // Don't let camera go underground
diff --git a/indra/newview/llagentwearables.cpp b/indra/newview/llagentwearables.cpp
index cd4222dddf..25f5cbd78f 100644
--- a/indra/newview/llagentwearables.cpp
+++ b/indra/newview/llagentwearables.cpp
@@ -1094,12 +1094,12 @@ void LLAgentWearables::setWearableOutfit(const LLInventoryItem::item_array_t& it
     {
         gAgentAvatarp->setCompositeUpdatesEnabled(true);
 
-        // If we have not yet declouded, we may want to use
+        // If we have not yet loaded core parts, we may want to use
         // baked texture UUIDs sent from the first objectUpdate message
-        // don't overwrite these. If we have already declouded, we've saved
-        // these ids as the last known good textures and can invalidate without
-        // re-clouding.
-        if (!gAgentAvatarp->getIsCloud())
+        // don't overwrite these. If we have parts already, we've saved
+        // these texture ids as the last known good textures and can
+        // invalidate without having to recloud avatar.
+        if (!gAgentAvatarp->getHasMissingParts())
         {
             gAgentAvatarp->invalidateAll();
         }
diff --git a/indra/newview/llappearancemgr.cpp b/indra/newview/llappearancemgr.cpp
index 5d70bfbc9e..6fa23727b1 100644
--- a/indra/newview/llappearancemgr.cpp
+++ b/indra/newview/llappearancemgr.cpp
@@ -856,7 +856,7 @@ void LLWearableHoldingPattern::checkMissingWearables()
             // was requested but none was found, create a default asset as a replacement.
             // In all other cases, don't do anything.
             // For critical types (shape/hair/skin/eyes), this will keep the avatar as a cloud
-            // due to logic in LLVOAvatarSelf::getIsCloud().
+            // due to logic in LLVOAvatarSelf::getHasMissingParts().
             // For non-critical types (tatoo, socks, etc.) the wearable will just be missing.
             (requested_by_type[type] > 0) &&
             ((type == LLWearableType::WT_PANTS) || (type == LLWearableType::WT_SHIRT) || (type == LLWearableType::WT_SKIRT)))
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index f00301e942..66dadf7545 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -268,6 +268,16 @@ using namespace LL;
 #include "glib.h"
 #endif // (LL_LINUX) && LL_GTK
 
+#ifdef LL_DISCORD
+#define DISCORDPP_IMPLEMENTATION
+#include <discordpp.h>
+static std::shared_ptr<discordpp::Client> gDiscordClient;
+static uint64_t gDiscordTimestampsStart;
+static std::string gDiscordActivityDetails;
+static int32_t gDiscordPartyCurrentSize;
+static int32_t gDiscordPartyMaxSize;
+#endif
+
 static LLAppViewerListener sAppViewerListener(LLAppViewer::instance);
 
 ////// Windows-specific includes to the bottom - nasty defines in these pollute the preprocessor
@@ -1334,6 +1344,13 @@ bool LLAppViewer::frame()
 
 bool LLAppViewer::doFrame()
 {
+#ifdef LL_DISCORD
+    {
+        LL_PROFILE_ZONE_NAMED("discord_callbacks");
+        discordpp::RunCallbacks();
+    }
+#endif
+
     LL_RECORD_BLOCK_TIME(FTM_FRAME);
     {
     // and now adjust the visuals from previous frame.
@@ -2260,10 +2277,7 @@ void errorCallback(LLError::ELevel level, const std::string &error_string)
 // Callback for LLError::LLUserWarningMsg
 void errorHandler(const std::string& title_string, const std::string& message_string, S32 code)
 {
-    if (!message_string.empty())
-    {
-        OSMessageBox(message_string, title_string.empty() ? LLTrans::getString("MBFatalError") : title_string, OSMB_OK);
-    }
+    // message is going to hang viewer, create marker first
     switch (code)
     {
     case LLError::LLUserWarningMsg::ERROR_OTHER:
@@ -2271,6 +2285,10 @@ void errorHandler(const std::string& title_string, const std::string& message_st
         break;
     case LLError::LLUserWarningMsg::ERROR_BAD_ALLOC:
         LLAppViewer::instance()->createErrorMarker(LAST_EXEC_BAD_ALLOC);
+        // When system run out of memory and errorHandler gets called from a thread,
+        // main thread might keep going while OSMessageBox freezes the caller.
+        // Todo: handle it better, but for now disconnect to avoid making things worse
+        gDisconnected = true;
         break;
     case LLError::LLUserWarningMsg::ERROR_MISSING_FILES:
         LLAppViewer::instance()->createErrorMarker(LAST_EXEC_MISSING_FILES);
@@ -2278,6 +2296,10 @@ void errorHandler(const std::string& title_string, const std::string& message_st
     default:
         break;
     }
+    if (!message_string.empty())
+    {
+        OSMessageBox(message_string, title_string.empty() ? LLTrans::getString("MBFatalError") : title_string, OSMB_OK);
+    }
 }
 
 void LLAppViewer::initLoggingAndGetLastDuration()
@@ -3103,7 +3125,15 @@ bool LLAppViewer::initWindow()
         .height(gSavedSettings.getU32("WindowHeight"))
         .min_width(gSavedSettings.getU32("MinWindowWidth"))
         .min_height(gSavedSettings.getU32("MinWindowHeight"))
+#ifdef LL_DARWIN
+        // Setting it to true causes black screen with no UI displayed.
+        // Given that it's a DEBUG settings and application goes fullscreen
+        // on mac simply by expanding it, it was decided to not support/use
+        // this setting on mac.
+        .fullscreen(false)
+#else // LL_DARWIN
         .fullscreen(gSavedSettings.getBOOL("FullScreen"))
+#endif
         .ignore_pixel_depth(ignorePixelDepth)
         .first_run(mIsFirstRun);
 
@@ -4289,8 +4319,8 @@ bool LLAppViewer::initCache()
     const std::string cache_dir_name = gSavedSettings.getString("DiskCacheDirName");
 
     const U32 MB = 1024 * 1024;
-    const uintmax_t MIN_CACHE_SIZE = 256 * MB;
-    const uintmax_t MAX_CACHE_SIZE = 9984ll * MB;
+    const uintmax_t MIN_CACHE_SIZE = 896 * MB;
+    const uintmax_t MAX_CACHE_SIZE = 32768ll * MB;
     const uintmax_t setting_cache_total_size = uintmax_t(gSavedSettings.getU32("CacheSize")) * MB;
     const uintmax_t cache_total_size = llclamp(setting_cache_total_size, MIN_CACHE_SIZE, MAX_CACHE_SIZE);
     const F64 disk_cache_percent = gSavedSettings.getF32("DiskCachePercentOfTotal");
@@ -5694,9 +5724,31 @@ void LLAppViewer::forceErrorThreadCrash()
     thread->start();
 }
 
-void LLAppViewer::initMainloopTimeout(const std::string& state, F32 secs)
+void LLAppViewer::forceExceptionThreadCrash()
+{
+    class LLCrashTestThread : public LLThread
+    {
+    public:
+
+        LLCrashTestThread() : LLThread("Crash logging test thread")
+        {
+        }
+
+        void run()
+        {
+            const std::string exception_text = "This is a deliberate exception in a thread";
+            throw std::runtime_error(exception_text);
+        }
+    };
+
+    LL_WARNS() << "This is a deliberate exception in a thread" << LL_ENDL;
+    LLCrashTestThread* thread = new LLCrashTestThread();
+    thread->start();
+}
+
+void LLAppViewer::initMainloopTimeout(std::string_view state, F32 secs)
 {
-    if(!mMainloopTimeout)
+    if (!mMainloopTimeout)
     {
         mMainloopTimeout = new LLWatchdogTimeout();
         resumeMainloopTimeout(state, secs);
@@ -5705,20 +5757,20 @@ void LLAppViewer::initMainloopTimeout(const std::string& state, F32 secs)
 
 void LLAppViewer::destroyMainloopTimeout()
 {
-    if(mMainloopTimeout)
+    if (mMainloopTimeout)
     {
         delete mMainloopTimeout;
-        mMainloopTimeout = NULL;
+        mMainloopTimeout = nullptr;
     }
 }
 
-void LLAppViewer::resumeMainloopTimeout(const std::string& state, F32 secs)
+void LLAppViewer::resumeMainloopTimeout(std::string_view state, F32 secs)
 {
-    if(mMainloopTimeout)
+    if (mMainloopTimeout)
     {
-        if(secs < 0.0f)
+        if (secs < 0.0f)
         {
-            static LLCachedControl<F32> mainloop_timeout(gSavedSettings, "MainloopTimeoutDefault", 60);
+            static LLCachedControl<F32> mainloop_timeout(gSavedSettings, "MainloopTimeoutDefault", 60.f);
             secs = mainloop_timeout;
         }
 
@@ -5729,19 +5781,19 @@ void LLAppViewer::resumeMainloopTimeout(const std::string& state, F32 secs)
 
 void LLAppViewer::pauseMainloopTimeout()
 {
-    if(mMainloopTimeout)
+    if (mMainloopTimeout)
     {
         mMainloopTimeout->stop();
     }
 }
 
-void LLAppViewer::pingMainloopTimeout(const std::string& state, F32 secs)
+void LLAppViewer::pingMainloopTimeout(std::string_view state, F32 secs)
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_APP;
 
-    if(mMainloopTimeout)
+    if (mMainloopTimeout)
     {
-        if(secs < 0.0f)
+        if (secs < 0.0f)
         {
             static LLCachedControl<F32> mainloop_timeout(gSavedSettings, "MainloopTimeoutDefault", 60);
             secs = mainloop_timeout;
@@ -5869,3 +5921,180 @@ void LLAppViewer::metricsSend(bool enable_reporting)
     gViewerAssetStats->restart();
 }
 
+#ifdef LL_DISCORD
+
+void LLAppViewer::initDiscordSocial()
+{
+    gDiscordPartyCurrentSize = 1;
+    gDiscordPartyMaxSize = 0;
+    gDiscordTimestampsStart = time(nullptr);
+    gDiscordClient = std::make_shared<discordpp::Client>();
+    gDiscordClient->SetStatusChangedCallback([](discordpp::Client::Status status, discordpp::Client::Error, int32_t) {
+        if (status == discordpp::Client::Status::Ready)
+        {
+            updateDiscordActivity();
+        }
+    });
+    if (gSavedSettings.getBOOL("EnableDiscord"))
+    {
+        auto credential = gSecAPIHandler->loadCredential("Discord");
+        if (credential.notNull())
+        {
+            gDiscordClient->UpdateToken(discordpp::AuthorizationTokenType::Bearer, credential->getAuthenticator()["token"].asString(), [](discordpp::ClientResult result) {
+                if (result.Successful())
+                    gDiscordClient->Connect();
+                else
+                    LL_WARNS("Discord") << result.Error() << LL_ENDL;
+            });
+        }
+        else
+        {
+            LL_WARNS("Discord") << "Integration was enabled, but no credentials. Disabling integration." << LL_ENDL;
+            gSavedSettings.setBOOL("EnableDiscord", false);
+        }
+    }
+}
+
+void LLAppViewer::toggleDiscordIntegration(const LLSD& value)
+{
+    static const uint64_t APPLICATION_ID = 1394782217405862001;
+    if (value.asBoolean())
+    {
+        discordpp::AuthorizationArgs args{};
+        args.SetClientId(APPLICATION_ID);
+        args.SetScopes(discordpp::Client::GetDefaultPresenceScopes());
+        auto codeVerifier = gDiscordClient->CreateAuthorizationCodeVerifier();
+        args.SetCodeChallenge(codeVerifier.Challenge());
+        gDiscordClient->Authorize(args, [codeVerifier](auto result, auto code, auto redirectUri) {
+            if (result.Successful())
+            {
+                gDiscordClient->GetToken(APPLICATION_ID, code, codeVerifier.Verifier(), redirectUri, [](discordpp::ClientResult result, std::string accessToken, std::string, discordpp::AuthorizationTokenType, int32_t, std::string) {
+                    if (result.Successful())
+                    {
+                        gDiscordClient->UpdateToken(discordpp::AuthorizationTokenType::Bearer, accessToken, [accessToken](discordpp::ClientResult result) {
+                            if (result.Successful())
+                            {
+                                LLSD authenticator = LLSD::emptyMap();
+                                authenticator["token"] = accessToken;
+                                gSecAPIHandler->saveCredential(gSecAPIHandler->createCredential("Discord", LLSD::emptyMap(), authenticator), true);
+                                gDiscordClient->Connect();
+                            }
+                            else
+                            {
+                                LL_WARNS("Discord") << result.Error() << LL_ENDL;
+                            }
+                        });
+                    }
+                    else
+                    {
+                        LL_WARNS("Discord") << result.Error() << LL_ENDL;
+                    }
+                });
+            }
+            else
+            {
+                LL_WARNS("Discord") << result.Error() << LL_ENDL;
+                gSavedSettings.setBOOL("EnableDiscord", false);
+            }
+        });
+    }
+    else
+    {
+        gDiscordClient->Disconnect();
+        auto credential = gSecAPIHandler->loadCredential("Discord");
+        if (credential.notNull())
+        {
+            gDiscordClient->RevokeToken(APPLICATION_ID, credential->getAuthenticator()["token"].asString(), [](discordpp::ClientResult result) {
+                if (result.Successful())
+                    LL_INFOS("Discord") << "Access token successfully revoked." << LL_ENDL;
+                else
+                    LL_WARNS("Discord") << "No access token to revoke." << LL_ENDL;
+            });
+            auto cred = new LLCredential("Discord");
+            gSecAPIHandler->deleteCredential(cred);
+        }
+        else
+        {
+            LL_WARNS("Discord") << "Credentials are already nonexistent." << LL_ENDL;
+        }
+    }
+}
+
+void LLAppViewer::updateDiscordActivity()
+{
+    LL_PROFILE_ZONE_SCOPED;
+    discordpp::Activity activity;
+    activity.SetType(discordpp::ActivityTypes::Playing);
+    discordpp::ActivityTimestamps timestamps;
+    timestamps.SetStart(gDiscordTimestampsStart);
+    activity.SetTimestamps(timestamps);
+
+    if (gAgent.getID() == LLUUID::null)
+    {
+        gDiscordClient->UpdateRichPresence(activity, [](discordpp::ClientResult) {});
+        return;
+    }
+
+    static LLCachedControl<bool> show_details(gSavedSettings, "ShowDiscordActivityDetails", false);
+    if (show_details)
+    {
+        if (gDiscordActivityDetails.empty())
+        {
+            LLAvatarName av_name;
+            LLAvatarNameCache::get(gAgent.getID(), &av_name);
+            gDiscordActivityDetails = av_name.getUserName();
+            auto displayName = av_name.getDisplayName();
+            if (gDiscordActivityDetails != displayName)
+                gDiscordActivityDetails = displayName + " (" + gDiscordActivityDetails + ")";
+        }
+        activity.SetDetails(gDiscordActivityDetails);
+    }
+
+    static LLCachedControl<bool> show_state(gSavedSettings, "ShowDiscordActivityState", false);
+    if (show_state)
+    {
+        auto agent_pos_region = gAgent.getPositionAgent();
+        S32 pos_x = S32(agent_pos_region.mV[VX] + 0.5f);
+        S32 pos_y = S32(agent_pos_region.mV[VY] + 0.5f);
+        S32 pos_z = S32(agent_pos_region.mV[VZ] + 0.5f);
+        F32 velocity_mag_sq = gAgent.getVelocity().magVecSquared();
+        const F32 FLY_CUTOFF = 6.f;
+        const F32 FLY_CUTOFF_SQ = FLY_CUTOFF * FLY_CUTOFF;
+        const F32 WALK_CUTOFF = 1.5f;
+        const F32 WALK_CUTOFF_SQ = WALK_CUTOFF * WALK_CUTOFF;
+        if (velocity_mag_sq > FLY_CUTOFF_SQ)
+        {
+            pos_x -= pos_x % 4;
+            pos_y -= pos_y % 4;
+        }
+        else if (velocity_mag_sq > WALK_CUTOFF_SQ)
+        {
+            pos_x -= pos_x % 2;
+            pos_y -= pos_y % 2;
+        }
+        auto location = llformat("%s (%d, %d, %d)", gAgent.getRegion()->getName().c_str(), pos_x, pos_y, pos_z);
+        activity.SetState(location);
+
+        discordpp::ActivityParty party;
+        party.SetId(location);
+        party.SetCurrentSize(gDiscordPartyCurrentSize);
+        party.SetMaxSize(gDiscordPartyMaxSize);
+        activity.SetParty(party);
+    }
+
+    gDiscordClient->UpdateRichPresence(activity, [](discordpp::ClientResult) {});
+}
+
+void LLAppViewer::updateDiscordPartyCurrentSize(int32_t size)
+{
+    gDiscordPartyCurrentSize = size;
+    updateDiscordActivity();
+}
+
+void LLAppViewer::updateDiscordPartyMaxSize(int32_t size)
+{
+    gDiscordPartyMaxSize = size;
+    updateDiscordActivity();
+}
+
+#endif
diff --git a/indra/newview/llappviewer.h b/indra/newview/llappviewer.h
index 3da0246ccf..14e96afe94 100644
--- a/indra/newview/llappviewer.h
+++ b/indra/newview/llappviewer.h
@@ -175,6 +175,7 @@ public:
     virtual void forceErrorCoroprocedureCrash();
     virtual void forceErrorWorkQueueCrash();
     virtual void forceErrorThreadCrash();
+    virtual void forceExceptionThreadCrash();
 
     // The list is found in app_settings/settings_files.xml
     // but since they are used explicitly in code,
@@ -197,11 +198,11 @@ public:
     // For thread debugging.
     // llstartup needs to control init.
     // llworld, send_agent_pause() also controls pause/resume.
-    void initMainloopTimeout(const std::string& state, F32 secs = -1.0f);
+    void initMainloopTimeout(std::string_view state, F32 secs = -1.0f);
     void destroyMainloopTimeout();
     void pauseMainloopTimeout();
-    void resumeMainloopTimeout(const std::string& state = "", F32 secs = -1.0f);
-    void pingMainloopTimeout(const std::string& state, F32 secs = -1.0f);
+    void resumeMainloopTimeout(std::string_view state = "", F32 secs = -1.0f);
+    void pingMainloopTimeout(std::string_view state, F32 secs = -1.0f);
 
     // Handle the 'login completed' event.
     // *NOTE:Mani Fix this for login abstraction!!
@@ -250,6 +251,14 @@ public:
     // Note: mQuitRequested can be aborted by user.
     void outOfMemorySoftQuit();
 
+#ifdef LL_DISCORD
+    static void initDiscordSocial();
+    static void toggleDiscordIntegration(const LLSD& value);
+    static void updateDiscordActivity();
+    static void updateDiscordPartyCurrentSize(int32_t size);
+    static void updateDiscordPartyMaxSize(int32_t size);
+#endif
+
 protected:
     virtual bool initWindow(); // Initialize the viewer's window.
     virtual void initLoggingAndGetLastDuration(); // Initialize log files, logging system
diff --git a/indra/newview/llappviewerwin32.cpp b/indra/newview/llappviewerwin32.cpp
index 4f5fa53312..8477bd3044 100644
--- a/indra/newview/llappviewerwin32.cpp
+++ b/indra/newview/llappviewerwin32.cpp
@@ -448,6 +448,7 @@ int APIENTRY WINMAIN(HINSTANCE hInstance,
 
     // *FIX: global
     gIconResource = MAKEINTRESOURCE(IDI_LL_ICON);
+    gIconSmallResource = MAKEINTRESOURCE(IDI_LL_ICON_SMALL);
 
     LLAppViewerWin32* viewer_app_ptr = new LLAppViewerWin32(ll_convert_wide_to_string(pCmdLine).c_str());
 
@@ -816,6 +817,29 @@ bool LLAppViewerWin32::reportCrashToBugsplat(void* pExcepInfo)
     return false;
 }
 
+bool LLAppViewerWin32::initWindow()
+{
+    // This is a workaround/hotfix for a change in Windows 11 24H2 (and possibly later)
+    // Where the window width and height need to correctly reflect an available FullScreen size
+    if (gSavedSettings.getBOOL("FullScreen"))
+    {
+        DEVMODE dev_mode;
+        ::ZeroMemory(&dev_mode, sizeof(DEVMODE));
+        dev_mode.dmSize = sizeof(DEVMODE);
+        if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode))
+        {
+            gSavedSettings.setU32("WindowWidth", dev_mode.dmPelsWidth);
+            gSavedSettings.setU32("WindowHeight", dev_mode.dmPelsHeight);
+        }
+        else
+        {
+            LL_WARNS("AppInit") << "Unable to set WindowWidth and WindowHeight for FullScreen mode" << LL_ENDL;
+        }
+    }
+
+    return LLAppViewer::initWindow();
+}
+
 void LLAppViewerWin32::initLoggingAndGetLastDuration()
 {
     LLAppViewer::initLoggingAndGetLastDuration();
diff --git a/indra/newview/llappviewerwin32.h b/indra/newview/llappviewerwin32.h
index 250e72edf3..3fad53ec72 100644
--- a/indra/newview/llappviewerwin32.h
+++ b/indra/newview/llappviewerwin32.h
@@ -46,6 +46,7 @@ public:
     bool reportCrashToBugsplat(void* pExcepInfo) override;
 
 protected:
+    bool initWindow() override; // Override to initialize the viewer's window.
     void initLoggingAndGetLastDuration() override; // Override to clean stack_trace info.
     void initConsole() override; // Initialize OS level debugging console.
     bool initHardwareTest() override; // Win32 uses DX9 to test hardware.
diff --git a/indra/newview/llfilepicker.cpp b/indra/newview/llfilepicker.cpp
index 716e6cd9e3..41e954b7fa 100644
--- a/indra/newview/llfilepicker.cpp
+++ b/indra/newview/llfilepicker.cpp
@@ -59,7 +59,7 @@ LLFilePicker LLFilePicker::sInstance;
 #define XML_FILTER L"XML files (*.xml)\0*.xml\0"
 #define SLOBJECT_FILTER L"Objects (*.slobject)\0*.slobject\0"
 #define RAW_FILTER L"RAW files (*.raw)\0*.raw\0"
-#define MODEL_FILTER L"Model files (*.dae)\0*.dae\0"
+#define MODEL_FILTER L"Model files (*.dae, *.gltf, *.glb)\0*.dae;*.gltf;*.glb\0"
 #define MATERIAL_FILTER L"GLTF Files (*.gltf; *.glb)\0*.gltf;*.glb\0"
 #define HDRI_FILTER L"HDRI Files (*.exr)\0*.exr\0"
 #define MATERIAL_TEXTURES_FILTER L"GLTF Import (*.gltf; *.glb; *.tga; *.bmp; *.jpg; *.jpeg; *.png)\0*.gltf;*.glb;*.tga;*.bmp;*.jpg;*.jpeg;*.png\0"
@@ -217,6 +217,8 @@ bool LLFilePicker::setupFilter(ELoadFilter filter)
         break;
     case FFLOAD_MODEL:
         mOFN.lpstrFilter = MODEL_FILTER \
+            COLLADA_FILTER \
+            MATERIAL_FILTER \
             L"\0";
         break;
     case FFLOAD_MATERIAL:
@@ -671,6 +673,8 @@ std::unique_ptr<std::vector<std::string>> LLFilePicker::navOpenFilterProc(ELoadF
         case FFLOAD_HDRI:
             allowedv->push_back("exr");
         case FFLOAD_MODEL:
+            allowedv->push_back("gltf");
+            allowedv->push_back("glb");
         case FFLOAD_COLLADA:
             allowedv->push_back("dae");
             break;
diff --git a/indra/newview/llfloateravatar.cpp b/indra/newview/llfloateravatarwelcomepack.cpp
index 404316275d..82e44d1398 100644
--- a/indra/newview/llfloateravatar.cpp
+++ b/indra/newview/llfloateravatarwelcomepack.cpp
@@ -1,7 +1,7 @@
 /**
- * @file llfloateravatar.h
- * @author Leyla Farazha
- * @brief floater for the avatar changer
+ * @file llfloateravatarwelcomepack.cpp
+ * @author Callum Prentice (callum@lindenlab.com)
+ * @brief Floater container for the Avatar Welcome Pack we app
  *
  * $LicenseInfo:firstyear=2011&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -27,17 +27,16 @@
 
 #include "llviewerprecompiledheaders.h"
 
-#include "llfloateravatar.h"
+#include "llfloateravatarwelcomepack.h"
 #include "lluictrlfactory.h"
 #include "llmediactrl.h"
 
-
-LLFloaterAvatar::LLFloaterAvatar(const LLSD& key)
+LLFloaterAvatarWelcomePack::LLFloaterAvatarWelcomePack(const LLSD& key)
     :   LLFloater(key)
 {
 }
 
-LLFloaterAvatar::~LLFloaterAvatar()
+LLFloaterAvatarWelcomePack::~LLFloaterAvatarWelcomePack()
 {
     if (mAvatarPicker)
     {
@@ -47,15 +46,13 @@ LLFloaterAvatar::~LLFloaterAvatar()
     }
 }
 
-bool LLFloaterAvatar::postBuild()
+bool LLFloaterAvatarWelcomePack::postBuild()
 {
     mAvatarPicker = findChild<LLMediaCtrl>("avatar_picker_contents");
     if (mAvatarPicker)
     {
         mAvatarPicker->clearCache();
     }
-    enableResizeCtrls(true, true, false);
+
     return true;
 }
-
-
diff --git a/indra/newview/llfloateravatar.h b/indra/newview/llfloateravatarwelcomepack.h
index fb591c8306..a332d46708 100644
--- a/indra/newview/llfloateravatar.h
+++ b/indra/newview/llfloateravatarwelcomepack.h
@@ -1,7 +1,7 @@
 /**
- * @file llfloateravatar.h
- * @author Leyla Farazha
- * @brief floater for the avatar changer
+ * @file llfloateravatarwelcomepack.h
+ * @author Callum Prentice (callum@lindenlab.com)
+ * @brief Floater container for the Avatar Welcome Pack we app
  *
  * $LicenseInfo:firstyear=2011&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -25,22 +25,21 @@
  * $/LicenseInfo$
  */
 
-#ifndef LL_FLOATER_AVATAR_H
-#define LL_FLOATER_AVATAR_H
+#pragma once
 
 #include "llfloater.h"
+
 class LLMediaCtrl;
 
-class LLFloaterAvatar:
+class LLFloaterAvatarWelcomePack:
     public LLFloater
 {
     friend class LLFloaterReg;
-private:
-    LLFloaterAvatar(const LLSD& key);
-    ~LLFloaterAvatar();
-    bool postBuild() override;
 
-    LLMediaCtrl* mAvatarPicker;
-};
+    private:
+        LLFloaterAvatarWelcomePack(const LLSD& key);
+        ~LLFloaterAvatarWelcomePack();
+        bool postBuild() override;
 
-#endif
+        LLMediaCtrl* mAvatarPicker;
+};
diff --git a/indra/newview/llfloaterbvhpreview.cpp b/indra/newview/llfloaterbvhpreview.cpp
index 7450be45f1..392079efe4 100644
--- a/indra/newview/llfloaterbvhpreview.cpp
+++ b/indra/newview/llfloaterbvhpreview.cpp
@@ -179,7 +179,7 @@ void LLFloaterBvhPreview::setAnimCallbacks()
     getChild<LLUICtrl>("ease_out_time")->setValidateBeforeCommit( boost::bind(&LLFloaterBvhPreview::validateEaseOut, this, _1));
 }
 
-std::map <std::string, std::string> LLFloaterBvhPreview::getJointAliases()
+std::map<std::string, std::string, std::less<>> LLFloaterBvhPreview::getJointAliases()
 {
     LLPointer<LLVOAvatar> av = (LLVOAvatar*)mAnimPreview->getDummyAvatar();
     return av->getJointAliases();
@@ -252,7 +252,7 @@ bool LLFloaterBvhPreview::postBuild()
                 ELoadStatus load_status = E_ST_OK;
                 S32 line_number = 0;
 
-                std::map<std::string, std::string> joint_alias_map = getJointAliases();
+                auto joint_alias_map = getJointAliases();
 
                 loaderp = new LLBVHLoader(file_buffer, load_status, line_number, joint_alias_map);
                 std::string status = getString(STATUS[load_status]);
diff --git a/indra/newview/llfloaterbvhpreview.h b/indra/newview/llfloaterbvhpreview.h
index c6b75c00b2..1eb7f686fd 100644
--- a/indra/newview/llfloaterbvhpreview.h
+++ b/indra/newview/llfloaterbvhpreview.h
@@ -108,7 +108,7 @@ public:
                                        S32 status, LLExtStat ext_status);
 private:
     void setAnimCallbacks() ;
-    std::map <std::string, std::string> getJointAliases();
+    std::map<std::string, std::string, std::less<>> getJointAliases();
 
 
 protected:
diff --git a/indra/newview/llfloaterimagepreview.cpp b/indra/newview/llfloaterimagepreview.cpp
index f254fdafaf..42a5df5d17 100644
--- a/indra/newview/llfloaterimagepreview.cpp
+++ b/indra/newview/llfloaterimagepreview.cpp
@@ -32,6 +32,7 @@
 #include "llimagetga.h"
 #include "llimagejpeg.h"
 #include "llimagepng.h"
+#include "llimagej2c.h"
 
 #include "llagent.h"
 #include "llagentbenefits.h"
@@ -43,6 +44,10 @@
 #include "llrender.h"
 #include "llface.h"
 #include "llfocusmgr.h"
+#include "llfilesystem.h"
+#include "llfloaterperms.h"
+#include "llnotificationsutil.h"
+#include "llstatusbar.h"    // can_afford_transaction()
 #include "lltextbox.h"
 #include "lltoolmgr.h"
 #include "llui.h"
@@ -52,6 +57,7 @@
 #include "llvoavatar.h"
 #include "pipeline.h"
 #include "lluictrlfactory.h"
+#include "llviewermenufile.h"   // upload_new_resource()
 #include "llviewershadermgr.h"
 #include "llviewertexturelist.h"
 #include "llstring.h"
@@ -140,7 +146,7 @@ bool LLFloaterImagePreview::postBuild()
         }
     }
 
-    getChild<LLUICtrl>("ok_btn")->setCommitCallback(boost::bind(&LLFloaterNameDesc::onBtnOK, this));
+    getChild<LLUICtrl>("ok_btn")->setCommitCallback(boost::bind(&LLFloaterImagePreview::onBtnOK, this));
 
     return true;
 }
@@ -244,6 +250,59 @@ void LLFloaterImagePreview::clearAllPreviewTextures()
 }
 
 //-----------------------------------------------------------------------------
+// onBtnOK()
+//-----------------------------------------------------------------------------
+void LLFloaterImagePreview::onBtnOK()
+{
+    getChildView("ok_btn")->setEnabled(false); // don't allow inadvertent extra uploads
+
+    S32 expected_upload_cost = getExpectedUploadCost();
+    if (can_afford_transaction(expected_upload_cost))
+    {
+        LL_INFOS() << "saving texture: " << mRawImagep->getWidth() << "x" << mRawImagep->getHeight() << LL_ENDL;
+        // gen a new uuid for this asset
+        LLTransactionID tid;
+        tid.generate();
+        LLAssetID new_asset_id = tid.makeAssetID(gAgent.getSecureSessionID());
+
+        LLPointer<LLImageJ2C> formatted = new LLImageJ2C;
+
+        if (formatted->encode(mRawImagep, 0.0f))
+        {
+            LLFileSystem fmt_file(new_asset_id, LLAssetType::AT_TEXTURE, LLFileSystem::WRITE);
+            fmt_file.write(formatted->getData(), formatted->getDataSize());
+
+            LLResourceUploadInfo::ptr_t assetUploadInfo(new LLResourceUploadInfo(
+                tid, LLAssetType::AT_TEXTURE,
+                getChild<LLUICtrl>("name_form")->getValue().asString(),
+                getChild<LLUICtrl>("description_form")->getValue().asString(),
+                0,
+                LLFolderType::FT_NONE, LLInventoryType::IT_NONE,
+                LLFloaterPerms::getNextOwnerPerms("Uploads"),
+                LLFloaterPerms::getGroupPerms("Uploads"),
+                LLFloaterPerms::getEveryonePerms("Uploads"),
+                expected_upload_cost
+            ));
+
+            upload_new_resource(assetUploadInfo);
+        }
+        else
+        {
+            LLNotificationsUtil::add("ErrorEncodingImage");
+            LL_WARNS() << "Error encoding image" << LL_ENDL;
+        }
+    }
+    else
+    {
+        LLSD args;
+        args["COST"] = llformat("%d", expected_upload_cost);
+        LLNotificationsUtil::add("ErrorCannotAffordUpload", args);
+    }
+
+    closeFloater(false);
+}
+
+//-----------------------------------------------------------------------------
 // draw()
 //-----------------------------------------------------------------------------
 void LLFloaterImagePreview::draw()
@@ -364,19 +423,6 @@ bool LLFloaterImagePreview::loadImage(const std::string& src_filename)
         return false;
     }
 
-    S32 max_width = gSavedSettings.getS32("max_texture_dimension_X");
-    S32 max_height = gSavedSettings.getS32("max_texture_dimension_Y");
-
-    if ((image_info.getWidth() > max_width) || (image_info.getHeight() > max_height))
-    {
-        LLStringUtil::format_map_t args;
-        args["WIDTH"] = llformat("%d", max_width);
-        args["HEIGHT"] = llformat("%d", max_height);
-
-        mImageLoadError = LLTrans::getString("texture_load_dimensions_error", args);
-        return false;
-    }
-
     // Load the image
     LLPointer<LLImageFormatted> image = LLImageFormatted::createFromType(codec);
     if (image.isNull())
@@ -399,6 +445,46 @@ bool LLFloaterImagePreview::loadImage(const std::string& src_filename)
         image->setLastError("Image files with less than 3 or more than 4 components are not supported.");
         return false;
     }
+    // Downscale images to fit the max_texture_dimensions_*
+    S32 max_width  = gSavedSettings.getS32("max_texture_dimension_X");
+    S32 max_height = gSavedSettings.getS32("max_texture_dimension_Y");
+
+    S32 orig_width  = raw_image->getWidth();
+    S32 orig_height = raw_image->getHeight();
+
+    if (orig_width > max_width || orig_height > max_height)
+    {
+        // Calculate scale factors
+        F32 width_scale  = (F32)max_width / (F32)orig_width;
+        F32 height_scale = (F32)max_height / (F32)orig_height;
+        F32 scale        = llmin(width_scale, height_scale);
+
+        // Calculate new dimensions, preserving aspect ratio
+        S32 new_width  = LLImageRaw::contractDimToPowerOfTwo(
+            llclamp((S32)llroundf(orig_width * scale), 4, max_width)
+        );
+        S32 new_height = LLImageRaw::contractDimToPowerOfTwo(
+            llclamp((S32)llroundf(orig_height * scale), 4, max_height)
+        );
+
+        if (!raw_image->scale(new_width, new_height))
+        {
+            LL_WARNS() << "Failed to scale image from "
+                       << orig_width << "x" << orig_height
+                       << " to " << new_width << "x" << new_height << LL_ENDL;
+            return false;
+        }
+
+        // Inform the resident about the resized image
+        LLSD subs;
+        subs["[ORIGINAL_WIDTH]"]  = orig_width;
+        subs["[ORIGINAL_HEIGHT]"] = orig_height;
+        subs["[NEW_WIDTH]"]       = new_width;
+        subs["[NEW_HEIGHT]"]      = new_height;
+        subs["[MAX_WIDTH]"]       = max_width;
+        subs["[MAX_HEIGHT]"]      = max_height;
+        LLNotificationsUtil::add("ImageUploadResized", subs);
+    }
 
     raw_image->biasedScaleToPowerOfTwo(LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
     mRawImagep = raw_image;
diff --git a/indra/newview/llfloaterimagepreview.h b/indra/newview/llfloaterimagepreview.h
index 9bc57246cf..5e5f4932c2 100644
--- a/indra/newview/llfloaterimagepreview.h
+++ b/indra/newview/llfloaterimagepreview.h
@@ -126,6 +126,8 @@ public:
 
     void clearAllPreviewTextures();
 
+    void onBtnOK();
+
 protected:
     static void     onPreviewTypeCommit(LLUICtrl*,void*);
     void            draw() override;
diff --git a/indra/newview/llfloatermediasettings.cpp b/indra/newview/llfloatermediasettings.cpp
index 2496887c9d..81eab52e6c 100644
--- a/indra/newview/llfloatermediasettings.cpp
+++ b/indra/newview/llfloatermediasettings.cpp
@@ -180,8 +180,15 @@ void LLFloaterMediaSettings::onClose(bool app_quitting)
 
 ////////////////////////////////////////////////////////////////////////////////
 //static
-void LLFloaterMediaSettings::initValues( const LLSD& media_settings, bool editable )
+void LLFloaterMediaSettings::initValues( const LLSD& media_settings, bool editable, bool has_media_info, bool multiple_media, bool multiple_valid_media)
 {
+    if (!sInstance)
+    {
+        return;
+    }
+    sInstance->mIdenticalHasMediaInfo = has_media_info;
+    sInstance->mMultipleMedia = multiple_media;
+    sInstance->mMultipleValidMedia = multiple_valid_media;
     if (sInstance->hasFocus()) return;
 
     // Clear values
diff --git a/indra/newview/llfloatermediasettings.h b/indra/newview/llfloatermediasettings.h
index 38730ddc98..7ed7ab246f 100644
--- a/indra/newview/llfloatermediasettings.h
+++ b/indra/newview/llfloatermediasettings.h
@@ -48,7 +48,7 @@ public:
     static LLFloaterMediaSettings* getInstance();
     static bool instanceExists();
     static void apply();
-    static void initValues( const LLSD& media_settings , bool editable);
+    static void initValues( const LLSD& media_settings , bool editable, bool has_media_info, bool multiple_media, bool multiple_valid_media);
     static void clearValues( bool editable);
 
     LLPanelMediaSettingsSecurity* getPanelSecurity(){return mPanelMediaSettingsSecurity;};
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index b5489d2dd8..6a6766fb3f 100644
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -64,6 +64,7 @@
 #include "llcallbacklist.h"
 #include "llviewertexteditor.h"
 #include "llviewernetwork.h"
+#include "llmaterialeditor.h"
 
 
 //static
@@ -619,11 +620,9 @@ void LLFloaterModelPreview::onJointListSelection()
     LLPanel *panel = mTabContainer->getPanelByName("rigging_panel");
     LLScrollListCtrl *joints_list = panel->getChild<LLScrollListCtrl>("joints_list");
     LLScrollListCtrl *joints_pos = panel->getChild<LLScrollListCtrl>("pos_overrides_list");
-    LLScrollListCtrl *joints_scale = panel->getChild<LLScrollListCtrl>("scale_overrides_list");
     LLTextBox *joint_pos_descr = panel->getChild<LLTextBox>("pos_overrides_descr");
 
     joints_pos->deleteAllItems();
-    joints_scale->deleteAllItems();
 
     LLScrollListItem *selected = joints_list->getFirstSelected();
     if (selected)
@@ -1341,26 +1340,26 @@ void LLFloaterModelPreview::addStringToLog(const std::string& message, const LLS
     {
         std::string str;
         switch (lod)
-{
+        {
         case LLModel::LOD_IMPOSTOR: str = "LOD0 "; break;
         case LLModel::LOD_LOW:      str = "LOD1 "; break;
         case LLModel::LOD_MEDIUM:   str = "LOD2 "; break;
         case LLModel::LOD_PHYSICS:  str = "PHYS "; break;
         case LLModel::LOD_HIGH:     str = "LOD3 ";   break;
         default: break;
-}
+        }
 
         LLStringUtil::format_map_t args_msg;
         LLSD::map_const_iterator iter = args.beginMap();
         LLSD::map_const_iterator end = args.endMap();
         for (; iter != end; ++iter)
-{
+        {
             args_msg[iter->first] = iter->second.asString();
         }
         str += sInstance->getString(message, args_msg);
         sInstance->addStringToLogTab(str, flash);
     }
-    }
+}
 
 // static
 void LLFloaterModelPreview::addStringToLog(const std::string& str, bool flash)
@@ -1488,7 +1487,7 @@ void LLFloaterModelPreview::updateAvatarTab(bool highlight_overrides)
     {
         // Populate table
 
-        std::map<std::string, std::string> joint_alias_map;
+        std::map<std::string, std::string, std::less<>> joint_alias_map;
         mModelPreview->getJointAliases(joint_alias_map);
 
         S32 conflicts = 0;
diff --git a/indra/newview/llfloaterpreference.cpp b/indra/newview/llfloaterpreference.cpp
index c881821153..fff005872c 100644
--- a/indra/newview/llfloaterpreference.cpp
+++ b/indra/newview/llfloaterpreference.cpp
@@ -366,6 +366,11 @@ LLFloaterPreference::LLFloaterPreference(const LLSD& key)
     mCommitCallbackRegistrar.add("Pref.ClearLog",               boost::bind(&LLConversationLog::onClearLog, &LLConversationLog::instance()));
     mCommitCallbackRegistrar.add("Pref.DeleteTranscripts",      boost::bind(&LLFloaterPreference::onDeleteTranscripts, this));
     mCommitCallbackRegistrar.add("UpdateFilter", boost::bind(&LLFloaterPreference::onUpdateFilterTerm, this, false)); // <FS:ND/> Hook up for filtering
+#ifdef LL_DISCORD
+    gSavedSettings.getControl("EnableDiscord")->getCommitSignal()->connect(boost::bind(&LLAppViewer::toggleDiscordIntegration, _2));
+    gSavedSettings.getControl("ShowDiscordActivityDetails")->getCommitSignal()->connect(boost::bind(&LLAppViewer::updateDiscordActivity));
+    gSavedSettings.getControl("ShowDiscordActivityState")->getCommitSignal()->connect(boost::bind(&LLAppViewer::updateDiscordActivity));
+#endif
 }
 
 void LLFloaterPreference::processProperties( void* pData, EAvatarProcessorType type )
@@ -523,6 +528,10 @@ bool LLFloaterPreference::postBuild()
         getChild<LLComboBox>("language_combobox")->add("System default", LLSD("default"), ADD_TOP, true);
     }
 
+#ifndef LL_DISCORD
+    getChild<LLTabContainer>("privacy_tab_container")->childDisable("privacy_preferences_discord");
+#endif
+
     return true;
 }
 
diff --git a/indra/newview/llfloatersettingsdebug.cpp b/indra/newview/llfloatersettingsdebug.cpp
index 8cc01f6dc6..01108b5cfa 100644
--- a/indra/newview/llfloatersettingsdebug.cpp
+++ b/indra/newview/llfloatersettingsdebug.cpp
@@ -207,14 +207,14 @@ void LLFloaterSettingsDebug::updateControl(LLControlVariable* controlp)
         mSettingNameText->setToolTip(controlp->getName());
         mComment->setVisible(true);
 
-        std::string old_text = mComment->getText();
         std::string new_text = controlp->getComment();
         // Don't setText if not nessesary, it will reset scroll
         // This is a debug UI that reads from xml, there might
         // be use cases where comment changes, but not the name
-        if (old_text != new_text)
+        if (mOldText != new_text)
         {
             mComment->setText(controlp->getComment());
+            mOldText = new_text;
         }
 
         mValSpinner1->setMaxValue(F32_MAX);
@@ -467,6 +467,7 @@ void LLFloaterSettingsDebug::updateControl(LLControlVariable* controlp)
           }
           default:
             mComment->setText(std::string("unknown"));
+            mOldText = "unknown";
             break;
         }
     }
diff --git a/indra/newview/llfloatersettingsdebug.h b/indra/newview/llfloatersettingsdebug.h
index b813cf4a74..8781cd3b67 100644
--- a/indra/newview/llfloatersettingsdebug.h
+++ b/indra/newview/llfloatersettingsdebug.h
@@ -82,6 +82,7 @@ protected:
     LLColorSwatchCtrl* mColorSwatch = nullptr;
 
     std::string mSearchFilter;
+    std::string mOldText;
 };
 
 #endif //LLFLOATERDEBUGSETTINGS_H
diff --git a/indra/newview/llfloateruipreview.cpp b/indra/newview/llfloateruipreview.cpp
index 990a299c50..c3bc24c6b9 100644
--- a/indra/newview/llfloateruipreview.cpp
+++ b/indra/newview/llfloateruipreview.cpp
@@ -1042,7 +1042,9 @@ void LLFloaterUIPreview::getExecutablePath(const std::vector<std::string>& filen
         {
             CFStringRef executable_cfstr = (CFStringRef)CFDictionaryGetValue(bundleInfoDict, CFSTR("CFBundleExecutable"));  // get the name of the actual executable (e.g. TextEdit or firefox-bin)
             int max_file_length = 256;                                                                                      // (max file name length is 255 in OSX)
-            char executable_buf[max_file_length];
+
+            // Xcode 26: VLAs are a clang extension.  Just create the buffer and delete it after.
+            char *executable_buf = new char [max_file_length];
             if(CFStringGetCString(executable_cfstr, executable_buf, max_file_length, kCFStringEncodingMacRoman))            // convert CFStringRef to char*
             {
                 executable_path += std::string("/Contents/MacOS/") + std::string(executable_buf);                           // append path to executable directory and then executable name to exec path
@@ -1052,6 +1054,7 @@ void LLFloaterUIPreview::getExecutablePath(const std::vector<std::string>& filen
                 std::string warning = "Unable to get CString from CFString for executable path";
                 popupAndPrintWarning(warning);
             }
+            delete [] executable_buf;
         }
         else
         {
diff --git a/indra/newview/llfloaterworldmap.cpp b/indra/newview/llfloaterworldmap.cpp
index a798ba31ee..03979edbc1 100755
--- a/indra/newview/llfloaterworldmap.cpp
+++ b/indra/newview/llfloaterworldmap.cpp
@@ -169,6 +169,52 @@ public:
 };
 LLWorldMapHandler gWorldMapHandler;
 
+// handle secondlife:///app/worldmap_global/{GLOBAL_COORDS} URLs
+class LLWorldMapGlobalHandler : public LLCommandHandler
+{
+public:
+    LLWorldMapGlobalHandler() : LLCommandHandler("worldmap_global", UNTRUSTED_THROTTLE)
+    {}
+
+    virtual bool canHandleUntrusted(
+        const LLSD& params,
+        const LLSD& query_map,
+        LLMediaCtrl* web,
+        const std::string& nav_type)
+    {
+        if (nav_type == NAV_TYPE_CLICKED
+            || nav_type == NAV_TYPE_EXTERNAL)
+        {
+            // NAV_TYPE_EXTERNAL will be throttled
+            return true;
+        }
+
+        return false;
+    }
+
+    bool handle(const LLSD& params,
+                const LLSD& query_map,
+                const std::string& grid,
+                LLMediaCtrl* web)
+    {
+        if (params.size() < 3)
+        {
+            LL_WARNS() << "Correct global coordinates are not provided." << LL_ENDL;
+            return true;
+        }
+
+        LLVector3d parcel_global_pos = LLVector3d(params[0].asInteger(), params[1].asInteger(), params[2].asInteger());
+        LLFloaterWorldMap* worldmap_instance = LLFloaterWorldMap::getInstance();
+        if (!parcel_global_pos.isExactlyZero() && worldmap_instance)
+        {
+            worldmap_instance->trackLocation(parcel_global_pos);
+            LLFloaterReg::showInstance("world_map", "center");
+        }
+        return true;
+    }
+};
+LLWorldMapGlobalHandler gWorldMapGlobalHandler;
+
 // SocialMap handler secondlife:///app/maptrackavatar/id
 class LLMapTrackAvatarHandler : public LLCommandHandler
 {
@@ -325,11 +371,9 @@ LLFloaterWorldMap::LLFloaterWorldMap(const LLSD& key)
     mWaitingForTracker(false),
     mIsClosing(false),
     mSetToUserPosition(true),
+    mProcessingSearchUpdate(false),
     mTrackedLocation(0.0,0.0,0.0),
     mTrackedStatus(LLTracker::TRACKING_NOTHING),
-    mListFriendCombo(nullptr),
-    mListLandmarkCombo(nullptr),
-    mListSearchResults(nullptr),
     mParcelInfoObserver(nullptr),
     mShowParcelInfo(false)
 {
@@ -341,7 +385,7 @@ LLFloaterWorldMap::LLFloaterWorldMap(const LLSD& key)
     mCommitCallbackRegistrar.add("WMap.Location",       boost::bind(&LLFloaterWorldMap::onLocationCommit, this));
     mCommitCallbackRegistrar.add("WMap.AvatarCombo",    boost::bind(&LLFloaterWorldMap::onAvatarComboCommit, this));
     mCommitCallbackRegistrar.add("WMap.Landmark",       boost::bind(&LLFloaterWorldMap::onLandmarkComboCommit, this));
-    mCommitCallbackRegistrar.add("WMap.SearchResult",   boost::bind(&LLFloaterWorldMap::onCommitSearchResult, this));
+    mCommitCallbackRegistrar.add("WMap.SearchResult", [this](LLUICtrl* ctrl, const LLSD& data) { LLFloaterWorldMap::onCommitSearchResult(false); });
     mCommitCallbackRegistrar.add("WMap.GoHome",         boost::bind(&LLFloaterWorldMap::onGoHome, this));
     mCommitCallbackRegistrar.add("WMap.Teleport",       boost::bind(&LLFloaterWorldMap::onClickTeleportBtn, this));
     mCommitCallbackRegistrar.add("WMap.ShowTarget",     boost::bind(&LLFloaterWorldMap::onShowTargetBtn, this));
@@ -383,32 +427,33 @@ bool LLFloaterWorldMap::postBuild()
     mTeleportCoordSpinY = getChild<LLUICtrl>("teleport_coordinate_y");
     mTeleportCoordSpinZ = getChild<LLUICtrl>("teleport_coordinate_z");
 
-    LLComboBox *avatar_combo = getChild<LLComboBox>("friend combo");
-    avatar_combo->selectFirstItem();
-    avatar_combo->setPrearrangeCallback( boost::bind(&LLFloaterWorldMap::onAvatarComboPrearrange, this) );
-    avatar_combo->setTextChangedCallback( boost::bind(&LLFloaterWorldMap::onComboTextEntry, this) );
-    mListFriendCombo = dynamic_cast<LLCtrlListInterface *>(avatar_combo);
+    mFriendCombo = getChild<LLComboBox>("friend combo");
+    mFriendCombo->selectFirstItem();
+    mFriendCombo->setPrearrangeCallback(boost::bind(&LLFloaterWorldMap::onAvatarComboPrearrange, this));
+    mFriendCombo->setTextChangedCallback(boost::bind(&LLFloaterWorldMap::onComboTextEntry, this));
 
     mLocationEditor = getChild<LLSearchEditor>("location");
     mLocationEditor->setFocusChangedCallback(boost::bind(&LLFloaterWorldMap::onLocationFocusChanged, this, _1));
-    mLocationEditor->setTextChangedCallback( boost::bind(&LLFloaterWorldMap::onSearchTextEntry, this));
+    mLocationEditor->setTextChangedCallback(boost::bind(&LLFloaterWorldMap::onSearchTextEntry, this));
 
-    getChild<LLScrollListCtrl>("search_results")->setDoubleClickCallback( boost::bind(&LLFloaterWorldMap::onClickTeleportBtn, this));
-    mListSearchResults = childGetListInterface("search_results");
+    mSearchResults = getChild<LLScrollListCtrl>("search_results");
+    mSearchResults->setDoubleClickCallback(boost::bind(&LLFloaterWorldMap::onClickTeleportBtn, this));
 
-    LLComboBox *landmark_combo = getChild<LLComboBox>( "landmark combo");
-    landmark_combo->selectFirstItem();
-    landmark_combo->setPrearrangeCallback( boost::bind(&LLFloaterWorldMap::onLandmarkComboPrearrange, this) );
-    landmark_combo->setTextChangedCallback( boost::bind(&LLFloaterWorldMap::onComboTextEntry, this) );
-    mListLandmarkCombo = dynamic_cast<LLCtrlListInterface *>(landmark_combo);
+    mLandmarkCombo = getChild<LLComboBox>("landmark combo");
+    mLandmarkCombo->selectFirstItem();
+    mLandmarkCombo->setPrearrangeCallback(boost::bind(&LLFloaterWorldMap::onLandmarkComboPrearrange, this));
+    mLandmarkCombo->setTextChangedCallback(boost::bind(&LLFloaterWorldMap::onComboTextEntry, this));
 
     mZoomSlider = getChild<LLSliderCtrl>("zoom slider");
     F32 slider_zoom = mMapView->getZoom();
     mZoomSlider->setValue(slider_zoom);
 
+    mTrackCtrlsPanel = getChild<LLPanel>("layout_panel_4");
+    mSearchButton = getChild<LLButton>("DoSearch");
+
     getChild<LLPanel>("expand_btn_panel")->setMouseDownCallback(boost::bind(&LLFloaterWorldMap::onExpandCollapseBtn, this));
 
-    setDefaultBtn(NULL);
+    mTrackCtrlsPanel->setDefaultBtn(nullptr);
 
     onChangeMaturity();
 
@@ -608,7 +653,6 @@ void LLFloaterWorldMap::draw()
     }
 
     mTeleportButton->setEnabled((bool)tracking_status);
-    //  getChildView("Clear")->setEnabled((bool)tracking_status);
     mShowDestinationButton->setEnabled((bool)tracking_status || LLWorldMap::getInstance()->isTracking());
     mCopySlurlButton->setEnabled((mSLURL.isValid()) );
 
@@ -700,26 +744,24 @@ void LLFloaterWorldMap::requestParcelInfo(const LLVector3d& pos_global, const LL
     }
 }
 
-void LLFloaterWorldMap::trackAvatar( const LLUUID& avatar_id, const std::string& name )
+void LLFloaterWorldMap::trackAvatar(const LLUUID& avatar_id, const std::string& name)
 {
     mShowParcelInfo = false;
-    LLCtrlSelectionInterface *iface = childGetSelectionInterface("friend combo");
-    if (!iface) return;
 
     buildAvatarIDList();
-    if(iface->setCurrentByID(avatar_id) || gAgent.isGodlike())
+    if (mFriendCombo->setCurrentByID(avatar_id) || gAgent.isGodlike())
     {
         // *HACK: Adjust Z values automatically for liaisons & gods so
         // they swoop down when they click on the map. Requested
         // convenience.
-        if(gAgent.isGodlike())
+        if (gAgent.isGodlike())
         {
             mTeleportCoordSpinZ->setValue(LLSD(200.f));
         }
         // Don't re-request info if we already have it or we won't have it in time to teleport
         if (mTrackedStatus != LLTracker::TRACKING_AVATAR || avatar_id != mTrackedAvatarID)
         {
-            mTrackedStatus = LLTracker::TRACKING_AVATAR;
+            mTrackedStatus   = LLTracker::TRACKING_AVATAR;
             mTrackedAvatarID = avatar_id;
             LLTracker::trackAvatar(avatar_id, name);
         }
@@ -728,52 +770,45 @@ void LLFloaterWorldMap::trackAvatar( const LLUUID& avatar_id, const std::string&
     {
         LLTracker::stopTracking(false);
     }
-    setDefaultBtn("Teleport");
+    mTrackCtrlsPanel->setDefaultBtn(mTeleportButton);
 }
 
-void LLFloaterWorldMap::trackLandmark( const LLUUID& landmark_item_id )
+void LLFloaterWorldMap::trackLandmark(const LLUUID& landmark_item_id)
 {
     mShowParcelInfo = false;
-    LLCtrlSelectionInterface *iface = childGetSelectionInterface("landmark combo");
-    if (!iface) return;
 
     buildLandmarkIDLists();
     bool found = false;
-    S32 idx;
+    S32  idx;
     for (idx = 0; idx < mLandmarkItemIDList.size(); idx++)
     {
-        if ( mLandmarkItemIDList.at(idx) == landmark_item_id)
+        if (mLandmarkItemIDList.at(idx) == landmark_item_id)
         {
             found = true;
             break;
         }
     }
 
-    if (found && iface->setCurrentByID( landmark_item_id ) )
+    if (found && mLandmarkCombo->setCurrentByID(landmark_item_id))
     {
-        LLUUID asset_id = mLandmarkAssetIDList.at( idx );
-        std::string name;
-        LLComboBox* combo = getChild<LLComboBox>( "landmark combo");
-        if (combo) name = combo->getSimple();
-        mTrackedStatus = LLTracker::TRACKING_LANDMARK;
-        LLTracker::trackLandmark(mLandmarkAssetIDList.at( idx ),    // assetID
-                                 mLandmarkItemIDList.at( idx ), // itemID
-                                 name);         // name
+        LLUUID      asset_id = mLandmarkAssetIDList.at(idx);
+        std::string name     = mLandmarkCombo->getSimple();
+        mTrackedStatus       = LLTracker::TRACKING_LANDMARK;
+        LLTracker::trackLandmark(mLandmarkAssetIDList.at(idx), // assetID
+                                 mLandmarkItemIDList.at(idx),  // itemID
+                                 name);                        // name
 
-        if( asset_id != sHomeID )
+        if (asset_id != sHomeID)
         {
             // start the download process
-            gLandmarkList.getAsset( asset_id);
+            gLandmarkList.getAsset(asset_id);
         }
-
-        // We have to download both region info and landmark data, so set busy. JC
-        //      getWindow()->incBusyCount();
     }
     else
     {
         LLTracker::stopTracking(false);
     }
-    setDefaultBtn("Teleport");
+    mTrackCtrlsPanel->setDefaultBtn(mTeleportButton);
 }
 
 
@@ -782,7 +817,7 @@ void LLFloaterWorldMap::trackEvent(const LLItemInfo &event_info)
     mShowParcelInfo = false;
     mTrackedStatus = LLTracker::TRACKING_LOCATION;
     LLTracker::trackLocation(event_info.getGlobalPosition(), event_info.getName(), event_info.getToolTip(), LLTracker::LOCATION_EVENT);
-    setDefaultBtn("Teleport");
+    mTrackCtrlsPanel->setDefaultBtn(mTeleportButton);
 }
 
 void LLFloaterWorldMap::trackGenericItem(const LLItemInfo &item)
@@ -790,11 +825,12 @@ void LLFloaterWorldMap::trackGenericItem(const LLItemInfo &item)
     mShowParcelInfo = false;
     mTrackedStatus = LLTracker::TRACKING_LOCATION;
     LLTracker::trackLocation(item.getGlobalPosition(), item.getName(), item.getToolTip(), LLTracker::LOCATION_ITEM);
-    setDefaultBtn("Teleport");
+    mTrackCtrlsPanel->setDefaultBtn(mTeleportButton);
 }
 
 void LLFloaterWorldMap::trackLocation(const LLVector3d& pos_global)
 {
+    mProcessingSearchUpdate = false;
     LLSimInfo* sim_info = LLWorldMap::getInstance()->simInfoFromPosGlobal(pos_global);
     if (!sim_info)
     {
@@ -804,7 +840,7 @@ void LLFloaterWorldMap::trackLocation(const LLVector3d& pos_global)
         S32 world_x = S32(pos_global.mdV[0] / 256);
         S32 world_y = S32(pos_global.mdV[1] / 256);
         LLWorldMapMessage::getInstance()->sendMapBlockRequest(world_x, world_y, world_x, world_y, true);
-        setDefaultBtn("");
+        mTrackCtrlsPanel->setDefaultBtn(nullptr);
 
         // clicked on a non-region - turn off coord display
         enableTeleportCoordsDisplay( false );
@@ -818,7 +854,7 @@ void LLFloaterWorldMap::trackLocation(const LLVector3d& pos_global)
         LLTracker::stopTracking(false);
         LLWorldMap::getInstance()->setTracking(pos_global);
         LLWorldMap::getInstance()->setTrackingInvalid();
-        setDefaultBtn("");
+        mTrackCtrlsPanel->setDefaultBtn(nullptr);
 
         // clicked on a down region - turn off coord display
         enableTeleportCoordsDisplay( false );
@@ -849,7 +885,7 @@ void LLFloaterWorldMap::trackLocation(const LLVector3d& pos_global)
     // we have a valid region - turn on coord display
     enableTeleportCoordsDisplay( true );
 
-    setDefaultBtn("Teleport");
+    mTrackCtrlsPanel->setDefaultBtn(mTeleportButton);
 }
 
 // enable/disable teleport destination coordinates
@@ -934,7 +970,10 @@ void LLFloaterWorldMap::updateLocation()
             }
         }
 
-        mLocationEditor->setValue(sim_name);
+        if (!mProcessingSearchUpdate)
+        {
+            mLocationEditor->setValue(sim_name);
+        }
 
         // refresh coordinate display to reflect where user clicked.
         LLVector3d coord_pos = LLTracker::getTrackedPositionGlobal();
@@ -964,7 +1003,7 @@ void LLFloaterWorldMap::trackURL(const std::string& region_name, S32 x_coord, S3
         local_pos.mV[VZ] = (F32)z_coord;
         LLVector3d global_pos = sim_info->getGlobalPos(local_pos);
         trackLocation(global_pos);
-        setDefaultBtn("Teleport");
+        mTrackCtrlsPanel->setDefaultBtn(mTeleportButton);
     }
     else
     {
@@ -1025,17 +1064,14 @@ void LLFloaterWorldMap::observeFriends()
 
 void LLFloaterWorldMap::friendsChanged()
 {
-    LLAvatarTracker& t = LLAvatarTracker::instance();
-    const LLUUID& avatar_id = t.getAvatarID();
+    LLAvatarTracker& t         = LLAvatarTracker::instance();
+    const LLUUID&    avatar_id = t.getAvatarID();
     buildAvatarIDList();
-    if(avatar_id.notNull())
+    if (avatar_id.notNull())
     {
-        LLCtrlSelectionInterface *iface = childGetSelectionInterface("friend combo");
         const LLRelationship* buddy_info = t.getBuddyInfo(avatar_id);
-        if(!iface ||
-           !iface->setCurrentByID(avatar_id) ||
-           (buddy_info && !buddy_info->isRightGrantedFrom(LLRelationship::GRANT_MAP_LOCATION)) ||
-           gAgent.isGodlike())
+        if (!mFriendCombo->setCurrentByID(avatar_id) ||
+            (buddy_info && !buddy_info->isRightGrantedFrom(LLRelationship::GRANT_MAP_LOCATION)) || gAgent.isGodlike())
         {
             LLTracker::stopTracking(false);
         }
@@ -1045,15 +1081,12 @@ void LLFloaterWorldMap::friendsChanged()
 // No longer really builds a list.  Instead, just updates mAvatarCombo.
 void LLFloaterWorldMap::buildAvatarIDList()
 {
-    LLCtrlListInterface *list = mListFriendCombo;
-    if (!list) return;
-
     // Delete all but the "None" entry
-    S32 list_size = list->getItemCount();
+    S32 list_size = mFriendCombo->getItemCount();
     if (list_size > 1)
     {
-        list->selectItemRange(1, -1);
-        list->operateOnSelection(LLCtrlListInterface::OP_DELETE);
+        mFriendCombo->selectItemRange(1, -1);
+        mFriendCombo->operateOnSelection(LLCtrlListInterface::OP_DELETE);
     }
 
     // Get all of the calling cards for avatar that are currently online
@@ -1061,29 +1094,26 @@ void LLFloaterWorldMap::buildAvatarIDList()
     LLAvatarTracker::instance().applyFunctor(collector);
     LLCollectMappableBuddies::buddy_map_t::iterator it;
     LLCollectMappableBuddies::buddy_map_t::iterator end;
-    it = collector.mMappable.begin();
+    it  = collector.mMappable.begin();
     end = collector.mMappable.end();
-    for( ; it != end; ++it)
+    for (; it != end; ++it)
     {
-        list->addSimpleElement((*it).second, ADD_BOTTOM, (*it).first);
+        mFriendCombo->addSimpleElement((*it).second, ADD_BOTTOM, (*it).first);
     }
 
-    list->setCurrentByID( LLAvatarTracker::instance().getAvatarID() );
-    list->selectFirstItem();
+    mFriendCombo->setCurrentByID(LLAvatarTracker::instance().getAvatarID());
+    mFriendCombo->selectFirstItem();
 }
 
 
 void LLFloaterWorldMap::buildLandmarkIDLists()
 {
-    LLCtrlListInterface *list = mListLandmarkCombo;
-    if (!list) return;
-
     // Delete all but the "None" entry
-    S32 list_size = list->getItemCount();
+    S32 list_size = mLandmarkCombo->getItemCount();
     if (list_size > 1)
     {
-        list->selectItemRange(1, -1);
-        list->operateOnSelection(LLCtrlListInterface::OP_DELETE);
+        mLandmarkCombo->selectItemRange(1, -1);
+        mLandmarkCombo->operateOnSelection(LLCtrlListInterface::OP_DELETE);
     }
 
     mLandmarkItemIDList.clear();
@@ -1115,13 +1145,13 @@ void LLFloaterWorldMap::buildLandmarkIDLists()
     {
         LLInventoryItem* item = items.at(i);
 
-        list->addSimpleElement(item->getName(), ADD_BOTTOM, item->getUUID());
+        mLandmarkCombo->addSimpleElement(item->getName(), ADD_BOTTOM, item->getUUID());
 
         mLandmarkAssetIDList.push_back( item->getAssetUUID() );
         mLandmarkItemIDList.push_back( item->getUUID() );
     }
 
-    list->selectFirstItem();
+    mLandmarkCombo->selectFirstItem();
 }
 
 
@@ -1139,10 +1169,9 @@ F32 LLFloaterWorldMap::getDistanceToDestination(const LLVector3d &destination,
 
 void LLFloaterWorldMap::clearLocationSelection(bool clear_ui, bool dest_reached)
 {
-    LLCtrlListInterface *list = mListSearchResults;
-    if (list && (!dest_reached || (list->getItemCount() == 1)))
+    if (!dest_reached || (mSearchResults->getItemCount() == 1))
     {
-        list->operateOnAll(LLCtrlListInterface::OP_DELETE);
+        mSearchResults->operateOnAll(LLCtrlListInterface::OP_DELETE);
     }
     LLWorldMap::getInstance()->cancelTracking();
     mCompletingRegionName = "";
@@ -1153,11 +1182,7 @@ void LLFloaterWorldMap::clearLandmarkSelection(bool clear_ui)
 {
     if (clear_ui || !childHasKeyboardFocus("landmark combo"))
     {
-        LLCtrlListInterface *list = mListLandmarkCombo;
-        if (list)
-        {
-            list->selectByValue( "None" );
-        }
+        mLandmarkCombo->selectByValue("None");
     }
 }
 
@@ -1167,10 +1192,9 @@ void LLFloaterWorldMap::clearAvatarSelection(bool clear_ui)
     if (clear_ui || !childHasKeyboardFocus("friend combo"))
     {
         mTrackedStatus = LLTracker::TRACKING_NOTHING;
-        LLCtrlListInterface *list = mListFriendCombo;
-        if (list && list->getSelectedValue().asString() != "None")
+        if (mFriendCombo->getSelectedValue().asString() != "None")
         {
-            list->selectByValue( "None" );
+            mFriendCombo->selectByValue("None");
         }
     }
 }
@@ -1223,28 +1247,25 @@ void LLFloaterWorldMap::onGoHome()
 {
     gAgent.teleportHome();
     closeFloater();
+    mProcessingSearchUpdate = false;
 }
 
 
-void LLFloaterWorldMap::onLandmarkComboPrearrange( )
+void LLFloaterWorldMap::onLandmarkComboPrearrange()
 {
-    if( mIsClosing )
+    if (mIsClosing)
     {
         return;
     }
 
-    LLCtrlListInterface *list = mListLandmarkCombo;
-    if (!list) return;
-
-    LLUUID current_choice = list->getCurrentID();
+    LLUUID current_choice = mLandmarkCombo->getCurrentID();
 
     buildLandmarkIDLists();
 
-    if( current_choice.isNull() || !list->setCurrentByID( current_choice ) )
+    if (current_choice.isNull() || !mLandmarkCombo->setCurrentByID(current_choice))
     {
         LLTracker::stopTracking(false);
     }
-
 }
 
 void LLFloaterWorldMap::onComboTextEntry()
@@ -1264,33 +1285,28 @@ void LLFloaterWorldMap::onSearchTextEntry( )
 
 void LLFloaterWorldMap::onLandmarkComboCommit()
 {
-    if( mIsClosing )
+    if (mIsClosing)
     {
         return;
     }
 
-    LLCtrlListInterface *list = mListLandmarkCombo;
-    if (!list) return;
-
     LLUUID asset_id;
-    LLUUID item_id = list->getCurrentID();
+    LLUUID item_id = mLandmarkCombo->getCurrentID();
 
     LLTracker::stopTracking(false);
 
-    //RN: stopTracking() clears current combobox selection, need to reassert it here
-    list->setCurrentByID(item_id);
+    // RN: stopTracking() clears current combobox selection, need to reassert it here
+    mLandmarkCombo->setCurrentByID(item_id);
 
-    if( item_id.isNull() )
-    {
-    }
-    else if( item_id == sHomeID )
+    if (item_id.isNull()) {}
+    else if (item_id == sHomeID)
     {
         asset_id = sHomeID;
     }
     else
     {
-        LLInventoryItem* item = gInventory.getItem( item_id );
-        if( item )
+        LLInventoryItem* item = gInventory.getItem(item_id);
+        if (item)
         {
             asset_id = item->getAssetUUID();
         }
@@ -1301,34 +1317,31 @@ void LLFloaterWorldMap::onLandmarkComboCommit()
         }
     }
 
-    trackLandmark( item_id);
+    trackLandmark(item_id);
     onShowTargetBtn();
 
     // Reset to user postion if nothing is tracked
-    mSetToUserPosition = ( LLTracker::getTrackingStatus() == LLTracker::TRACKING_NOTHING );
+    mSetToUserPosition = (LLTracker::getTrackingStatus() == LLTracker::TRACKING_NOTHING);
 }
 
 // static
-void LLFloaterWorldMap::onAvatarComboPrearrange( )
+void LLFloaterWorldMap::onAvatarComboPrearrange()
 {
-    if( mIsClosing )
+    if (mIsClosing)
     {
         return;
     }
 
-    LLCtrlListInterface *list = mListFriendCombo;
-    if (!list) return;
-
     LLUUID current_choice;
 
-    if( LLAvatarTracker::instance().haveTrackingInfo() )
+    if (LLAvatarTracker::instance().haveTrackingInfo())
     {
         current_choice = LLAvatarTracker::instance().getAvatarID();
     }
 
     buildAvatarIDList();
 
-    if( !list->setCurrentByID( current_choice ) || current_choice.isNull() )
+    if (!mFriendCombo->setCurrentByID(current_choice) || current_choice.isNull())
     {
         LLTracker::stopTracking(false);
     }
@@ -1336,26 +1349,21 @@ void LLFloaterWorldMap::onAvatarComboPrearrange( )
 
 void LLFloaterWorldMap::onAvatarComboCommit()
 {
-    if( mIsClosing )
+    if (mIsClosing)
     {
         return;
     }
 
-    LLCtrlListInterface *list = mListFriendCombo;
-    if (!list) return;
-
-    const LLUUID& new_avatar_id = list->getCurrentID();
+    const LLUUID& new_avatar_id = mFriendCombo->getCurrentID();
     if (new_avatar_id.notNull())
     {
-        std::string name;
-        LLComboBox* combo = getChild<LLComboBox>("friend combo");
-        if (combo) name = combo->getSimple();
+        std::string name = mFriendCombo->getSimple();
         trackAvatar(new_avatar_id, name);
         onShowTargetBtn();
     }
     else
-    {   // Reset to user postion if nothing is tracked
-        mSetToUserPosition = ( LLTracker::getTrackingStatus() == LLTracker::TRACKING_NOTHING );
+    { // Reset to user postion if nothing is tracked
+        mSetToUserPosition = (LLTracker::getTrackingStatus() == LLTracker::TRACKING_NOTHING);
     }
 }
 
@@ -1375,11 +1383,11 @@ void LLFloaterWorldMap::updateSearchEnabled()
     if (childHasKeyboardFocus("location") &&
         mLocationEditor->getValue().asString().length() > 0)
     {
-        setDefaultBtn("DoSearch");
+        mTrackCtrlsPanel->setDefaultBtn(mSearchButton);
     }
     else
     {
-        setDefaultBtn(NULL);
+        mTrackCtrlsPanel->setDefaultBtn(nullptr);
     }
 }
 
@@ -1409,6 +1417,7 @@ void LLFloaterWorldMap::onLocationCommit()
     {
         return;
     }
+    mProcessingSearchUpdate = true;
 
     LLStringUtil::toLower(str);
     mCompletingRegionName = str;
@@ -1430,6 +1439,7 @@ void LLFloaterWorldMap::onCoordinatesCommit()
     {
         return;
     }
+    mProcessingSearchUpdate = false;
 
     S32 x_coord = (S32)mTeleportCoordSpinX->getValue().asReal();
     S32 y_coord = (S32)mTeleportCoordSpinY->getValue().asReal();
@@ -1443,6 +1453,7 @@ void LLFloaterWorldMap::onCoordinatesCommit()
 void LLFloaterWorldMap::onClearBtn()
 {
     mTrackedStatus = LLTracker::TRACKING_NOTHING;
+    mProcessingSearchUpdate = false;
     LLTracker::stopTracking(true);
     LLWorldMap::getInstance()->cancelTracking();
     mSLURL = LLSLURL();                 // Clear the SLURL since it's invalid
@@ -1459,6 +1470,7 @@ void LLFloaterWorldMap::onShowAgentBtn()
     mMapView->setPanWithInterpTime(0, 0, false, 0.1f);  // false == animate
     // Set flag so user's location will be displayed if not tracking anything else
     mSetToUserPosition = true;
+    mProcessingSearchUpdate = false;
 }
 
 void LLFloaterWorldMap::onClickTeleportBtn()
@@ -1487,8 +1499,9 @@ void LLFloaterWorldMap::onExpandCollapseBtn()
 
     std::string image_name = getString(toggle_collapse ? "expand_icon" : "collapse_icon");
     std::string tooltip = getString(toggle_collapse ? "expand_tooltip" : "collapse_tooltip");
-    getChild<LLIconCtrl>("expand_collapse_icon")->setImage(LLUI::getUIImage(image_name));
-    getChild<LLIconCtrl>("expand_collapse_icon")->setToolTip(tooltip);
+    LLIconCtrl* expandCollapseIcon = getChild<LLIconCtrl>("expand_collapse_icon");
+    expandCollapseIcon->setImage(LLUI::getUIImage(image_name));
+    expandCollapseIcon->setToolTip(tooltip);
     getChild<LLPanel>("expand_btn_panel")->setToolTip(tooltip);
 }
 
@@ -1613,6 +1626,12 @@ void LLFloaterWorldMap::teleport()
             gAgent.teleportViaLocation( pos_global );
         }
     }
+
+    if (mProcessingSearchUpdate)
+    {
+        mProcessingSearchUpdate = false;
+        mTrackedSimName.clear();
+    }
 }
 
 void LLFloaterWorldMap::flyToLandmark()
@@ -1680,9 +1699,9 @@ void LLFloaterWorldMap::teleportToAvatar()
 
 void LLFloaterWorldMap::flyToAvatar()
 {
-    if( LLAvatarTracker::instance().haveTrackingInfo() )
+    if (LLAvatarTracker::instance().haveTrackingInfo())
     {
-        gAgent.startAutoPilotGlobal( LLAvatarTracker::instance().getGlobalPos() );
+        gAgent.startAutoPilotGlobal(LLAvatarTracker::instance().getGlobalPos());
     }
 }
 
@@ -1693,8 +1712,7 @@ void LLFloaterWorldMap::updateSims(bool found_null_sim)
         return;
     }
 
-    LLScrollListCtrl *list = getChild<LLScrollListCtrl>("search_results");
-    list->operateOnAll(LLCtrlListInterface::OP_DELETE);
+    mSearchResults->operateOnAll(LLCtrlListInterface::OP_DELETE);
 
     auto name_length = mCompletingRegionName.length();
 
@@ -1722,7 +1740,7 @@ void LLFloaterWorldMap::updateSims(bool found_null_sim)
             value["id"] = info->getName();
             value["columns"][0]["column"] = "sim_name";
             value["columns"][0]["value"] = info->getName();
-            list->addElement(value);
+            mSearchResults->addElement(value);
             num_results++;
         }
     }
@@ -1737,21 +1755,24 @@ void LLFloaterWorldMap::updateSims(bool found_null_sim)
         // if match found, highlight it and go
         if (!match.isUndefined())
         {
-            list->selectByValue(match);
+            mSearchResults->selectByValue(match);
+            mSearchResults->setFocus(true);
+            onCommitSearchResult(false /*fully commit the only option*/);
         }
-        // else select first found item
+        // else let user decide
         else
         {
-            list->selectFirstItem();
+            mSearchResults->selectFirstItem();
+            mSearchResults->setFocus(true);
+            onCommitSearchResult(true /*don't update text field*/);
         }
-        getChild<LLUICtrl>("search_results")->setFocus(true);
-        onCommitSearchResult();
     }
     else
     {
         // if we found nothing, say "none"
-        list->setCommentText(LLTrans::getString("worldmap_results_none_found"));
-        list->operateOnAll(LLCtrlListInterface::OP_DESELECT);
+        mProcessingSearchUpdate = false;
+        mSearchResults->setCommentText(LLTrans::getString("worldmap_results_none_found"));
+        mSearchResults->operateOnAll(LLCtrlListInterface::OP_DESELECT);
     }
 }
 
@@ -1763,13 +1784,9 @@ void LLFloaterWorldMap::onTeleportFinished()
     }
 }
 
-void LLFloaterWorldMap::onCommitSearchResult()
+void LLFloaterWorldMap::onCommitSearchResult(bool from_search)
 {
-    LLCtrlListInterface *list = mListSearchResults;
-    if (!list) return;
-
-    LLSD selected_value = list->getSelectedValue();
-    std::string sim_name = selected_value.asString();
+    std::string sim_name = mSearchResults->getSelectedValue().asString();
     if (sim_name.empty())
     {
         return;
@@ -1785,7 +1802,7 @@ void LLFloaterWorldMap::onCommitSearchResult()
         {
             LLVector3d pos_global = info->getGlobalOrigin();
 
-            const F64 SIM_COORD_DEFAULT = 128.0;
+            constexpr F64 SIM_COORD_DEFAULT = 128.0;
             LLVector3 pos_local(SIM_COORD_DEFAULT, SIM_COORD_DEFAULT, 0.0f);
 
             // Did this value come from a trackURL() request?
@@ -1798,9 +1815,15 @@ void LLFloaterWorldMap::onCommitSearchResult()
             pos_global.mdV[VY] += (F64)pos_local.mV[VY];
             pos_global.mdV[VZ] = (F64)pos_local.mV[VZ];
 
-            mLocationEditor->setValue(sim_name);
+            // Commiting search string automatically selects first item in the search list,
+            // in such case onCommitSearchResult shouldn't modify search string
+            if (!from_search)
+            {
+                mLocationEditor->setValue(sim_name);
+            }
             trackLocation(pos_global);
-            setDefaultBtn("Teleport");
+            mProcessingSearchUpdate = from_search;
+            mTrackCtrlsPanel->setDefaultBtn(mTeleportButton);
             break;
         }
     }
diff --git a/indra/newview/llfloaterworldmap.h b/indra/newview/llfloaterworldmap.h
index 2f2b2b7a0d..9558ca2615 100644
--- a/indra/newview/llfloaterworldmap.h
+++ b/indra/newview/llfloaterworldmap.h
@@ -51,6 +51,8 @@ class LLCheckBoxCtrl;
 class LLSliderCtrl;
 class LLSpinCtrl;
 class LLSearchEditor;
+class LLComboBox;
+class LLScrollListCtrl;
 
 class LLWorldMapParcelInfoObserver : public LLRemoteParcelInfoObserver
 {
@@ -174,7 +176,7 @@ protected:
     void            onLocationFocusChanged( LLFocusableElement* ctrl );
     void            onLocationCommit();
     void            onCoordinatesCommit();
-    void            onCommitSearchResult();
+    void            onCommitSearchResult(bool from_search);
 
     void            onTeleportFinished();
 
@@ -211,6 +213,7 @@ private:
 
     bool                    mIsClosing;
     bool                    mSetToUserPosition;
+    bool                    mProcessingSearchUpdate; // Don't update search string from what user set it to
 
     LLVector3d              mTrackedLocation;
     LLTracker::ETrackingStatus mTrackedStatus;
@@ -218,14 +221,11 @@ private:
     LLUUID                  mTrackedAvatarID;
     LLSLURL                 mSLURL;
 
-    LLCtrlListInterface *   mListFriendCombo;
-    LLCtrlListInterface *   mListLandmarkCombo;
-    LLCtrlListInterface *   mListSearchResults;
-
     LLButton*               mTeleportButton = nullptr;
     LLButton*               mShowDestinationButton = nullptr;
     LLButton*               mCopySlurlButton = nullptr;
     LLButton*               mGoHomeButton = nullptr;
+    LLButton*               mSearchButton = nullptr;
 
     LLCheckBoxCtrl*         mPeopleCheck = nullptr;
     LLCheckBoxCtrl*         mInfohubCheck = nullptr;
@@ -245,6 +245,13 @@ private:
 
     LLSliderCtrl*           mZoomSlider = nullptr;
 
+    LLComboBox*             mLandmarkCombo = nullptr;
+    LLComboBox*             mFriendCombo = nullptr;
+
+    LLScrollListCtrl*       mSearchResults = nullptr;
+
+    LLPanel*                mTrackCtrlsPanel = nullptr;
+
     boost::signals2::connection mTeleportFinishConnection;
 };
 
diff --git a/indra/newview/llhudeffectlookat.cpp b/indra/newview/llhudeffectlookat.cpp
index d0d2ee191a..776d2dd31e 100644
--- a/indra/newview/llhudeffectlookat.cpp
+++ b/indra/newview/llhudeffectlookat.cpp
@@ -37,6 +37,7 @@
 #include "lldrawable.h"
 #include "llviewerobjectlist.h"
 #include "llviewercontrol.h"
+#include "llvoavatarself.h"
 #include "llrendersphere.h"
 #include "llselectmgr.h"
 #include "llglheaders.h"
@@ -397,6 +398,21 @@ bool LLHUDEffectLookAt::setLookAt(ELookAtType target_type, LLViewerObject *objec
         return false;
     }
 
+    static LLCachedControl<bool> enable_lookat_hints(gSavedSettings, "EnableLookAtTarget", true);
+    if (!enable_lookat_hints)
+    {
+        // Clear the effect so it doesn't linger around if it gets disabled
+        if (mTargetType != LOOKAT_TARGET_IDLE)
+        {
+            mTargetObject = gAgentAvatarp;
+            mTargetType = LOOKAT_TARGET_IDLE;
+            mTargetOffsetGlobal.set(2.f, 0.f, 0.f);
+            setDuration(3.f);
+            setNeedsSendToSim(true);
+        }
+        return false;
+    }
+
     if (target_type >= LOOKAT_NUM_TARGETS)
     {
         LL_WARNS() << "Bad target_type " << (int)target_type << " - ignoring." << LL_ENDL;
@@ -409,6 +425,29 @@ bool LLHUDEffectLookAt::setLookAt(ELookAtType target_type, LLViewerObject *objec
         return false;
     }
 
+    static LLCachedControl<bool> limit_lookat_hints(gSavedSettings, "LimitLookAtTarget", true);
+    // Don't affect the look at if object is gAgentAvatarp (cursor head follow)
+    if (limit_lookat_hints && object != gAgentAvatarp)
+    {
+        // If it is a object
+        if (object)
+        {
+            position += object->getRenderPosition();
+            object = NULL;
+        }
+
+        LLVector3 agentHeadPosition = gAgentAvatarp->mHeadp->getWorldPosition();
+        float dist = (float)dist_vec(agentHeadPosition, position);
+
+        static LLCachedControl<F32> limit_lookat_hints_distance(gSavedSettings, "LimitLookAtTargetDistance", 2.0f);
+        if (dist > limit_lookat_hints_distance)
+        {
+            LLVector3 headOffset = position - agentHeadPosition;
+            headOffset *= limit_lookat_hints_distance / dist;
+            position.setVec(agentHeadPosition + headOffset);
+        }
+    }
+
     F32 current_time  = mTimer.getElapsedTimeF32();
 
     // type of lookat behavior or target object has changed
diff --git a/indra/newview/llhudeffectpointat.cpp b/indra/newview/llhudeffectpointat.cpp
index eeb38cd6aa..c600010f6b 100644
--- a/indra/newview/llhudeffectpointat.cpp
+++ b/indra/newview/llhudeffectpointat.cpp
@@ -34,6 +34,7 @@
 #include "llagent.h"
 #include "llagentcamera.h"
 #include "lldrawable.h"
+#include "llviewercontrol.h"
 #include "llviewerobjectlist.h"
 #include "llvoavatar.h"
 #include "message.h"
@@ -226,6 +227,19 @@ bool LLHUDEffectPointAt::setPointAt(EPointAtType target_type, LLViewerObject *ob
         return false;
     }
 
+    static LLCachedControl<bool> enable_selection_hints(gSavedSettings, "EnableSelectionHints", true);
+    if (!enable_selection_hints)
+    {
+        // Clear the effect so it doesn't linger around if it gets disabled
+        if (mTargetType != POINTAT_TARGET_NONE)
+        {
+            clearPointAtTarget();
+            setDuration(1.f);
+            setNeedsSendToSim(true);
+        }
+        return false;
+    }
+
     if (target_type >= POINTAT_NUM_TARGETS)
     {
         LL_WARNS() << "Bad target_type " << (int)target_type << " - ignoring." << LL_ENDL;
diff --git a/indra/newview/llhudtext.cpp b/indra/newview/llhudtext.cpp
index fd0d8b696f..c092b4c91a 100644
--- a/indra/newview/llhudtext.cpp
+++ b/indra/newview/llhudtext.cpp
@@ -225,10 +225,6 @@ void LLHUDText::renderText()
             }
 
             text_color = segment_iter->mColor;
-            if (mOnHUDAttachment)
-            {
-                text_color = linearColor4(text_color);
-            }
             text_color.mV[VALPHA] *= alpha_factor;
 
             hud_render_text(segment_iter->getText(), render_position, *fontp, style, shadow, x_offset, y_offset, text_color, mOnHUDAttachment);
diff --git a/indra/newview/llimprocessing.cpp b/indra/newview/llimprocessing.cpp
index 4c02511268..7cd0171a37 100644
--- a/indra/newview/llimprocessing.cpp
+++ b/indra/newview/llimprocessing.cpp
@@ -1520,10 +1520,10 @@ void LLIMProcessing::requestOfflineMessages()
     if (!requested
         && gMessageSystem
         && !gDisconnected
-        && LLMuteList::getInstance()->isLoaded()
         && isAgentAvatarValid()
         && gAgent.getRegion()
-        && gAgent.getRegion()->capabilitiesReceived())
+        && gAgent.getRegion()->capabilitiesReceived()
+        && (LLMuteList::getInstance()->isLoaded() || LLMuteList::getInstance()->getLoadFailed()))
     {
         std::string cap_url = gAgent.getRegionCapability("ReadOfflineMsgs");
 
diff --git a/indra/newview/llinventoryfilter.cpp b/indra/newview/llinventoryfilter.cpp
index 6c5421596b..99c2d6e410 100644
--- a/indra/newview/llinventoryfilter.cpp
+++ b/indra/newview/llinventoryfilter.cpp
@@ -1033,7 +1033,7 @@ void LLInventoryFilter::setFilterSubString(const std::string& string)
             boost::char_separator<char> sep("+");
             tokenizer tokens(filter_sub_string_new, sep);
 
-            for (auto token_iter : tokens)
+            for (const auto& token_iter : tokens)
             {
                 mFilterTokens.push_back(token_iter);
             }
@@ -1099,7 +1099,7 @@ void LLInventoryFilter::setFilterSubString(const std::string& string)
         }
 
         // Cancel out UUID once the search string is modified
-        if (mFilterOps.mFilterTypes == FILTERTYPE_UUID)
+        if (mFilterOps.mFilterTypes & FILTERTYPE_UUID)
         {
             mFilterOps.mFilterTypes &= ~FILTERTYPE_UUID;
             mFilterOps.mFilterUUID = LLUUID::null;
@@ -1786,7 +1786,7 @@ std::string LLInventoryFilter::getEmptyLookupMessage(bool is_empty_folder) const
     }
 }
 
-bool LLInventoryFilter::areDateLimitsSet()
+bool LLInventoryFilter::areDateLimitsSet() const
 {
     return mFilterOps.mMinDate != time_min()
         || mFilterOps.mMaxDate != time_max()
diff --git a/indra/newview/llinventoryfilter.h b/indra/newview/llinventoryfilter.h
index 2bdc646084..c0164e04e4 100644
--- a/indra/newview/llinventoryfilter.h
+++ b/indra/newview/llinventoryfilter.h
@@ -356,7 +356,7 @@ public:
     bool checkAgainstFilterFavorites(const LLUUID& object_id) const;
 
 private:
-    bool                areDateLimitsSet();
+    bool                areDateLimitsSet() const;
     bool                checkAgainstFilterSubString(const std::string& desc) const;
     bool                checkAgainstFilterType(const class LLFolderViewModelItemInventory* listener) const;
     bool                checkAgainstFilterType(const LLInventoryItem* item) const;
diff --git a/indra/newview/llinventoryfunctions.cpp b/indra/newview/llinventoryfunctions.cpp
index 0365b06edb..d1fd82a7f1 100644
--- a/indra/newview/llinventoryfunctions.cpp
+++ b/indra/newview/llinventoryfunctions.cpp
@@ -2342,9 +2342,9 @@ bool can_move_to_my_outfits_as_outfit(LLInventoryModel* model, LLInventoryCatego
         return false;
     }
 
-    if (items->size() == 0)
+    if (items->size() == 0 && inv_cat->getPreferredType() != LLFolderType::FT_OUTFIT)
     {
-        // Nothing to move(create)
+        // Nothing to create an outfit folder from
         return false;
     }
 
diff --git a/indra/newview/llmaterialeditor.cpp b/indra/newview/llmaterialeditor.cpp
index 3bf50c8e65..3e5d6d1171 100644
--- a/indra/newview/llmaterialeditor.cpp
+++ b/indra/newview/llmaterialeditor.cpp
@@ -137,7 +137,8 @@ LLFloaterComboOptions* LLFloaterComboOptions::showUI(
         {
             combo_picker->mComboOptions->addSimpleElement(*iter);
         }
-        combo_picker->mComboOptions->selectFirstItem();
+        // select 'Bulk Upload All' option
+        combo_picker->mComboOptions->selectNthItem((S32)options.size() - 1);
 
         combo_picker->openFloater(LLSD(title));
         combo_picker->setFocus(true);
@@ -1332,15 +1333,6 @@ const std::string LLMaterialEditor::buildMaterialDescription()
         desc << mNormalName;
     }
 
-    // trim last char if it's a ',' in case there is no normal texture
-    // present and the code above inserts one
-    // (no need to check for string length - always has initial string)
-    std::string::iterator iter = desc.str().end() - 1;
-    if (*iter == ',')
-    {
-        desc.str().erase(iter);
-    }
-
     // sanitize the material description so that it's compatible with the inventory
     // note: split this up because clang doesn't like operating directly on the
     // str() - error: lvalue reference to type 'basic_string<...>' cannot bind to a
@@ -1348,6 +1340,15 @@ const std::string LLMaterialEditor::buildMaterialDescription()
     std::string inv_desc = desc.str();
     LLInventoryObject::correctInventoryName(inv_desc);
 
+    // trim last char if it's a ',' in case there is no normal texture
+    // present and the code above inserts one
+    // (no need to check for string length - always has initial string)
+    std::string::iterator iter = inv_desc.end() - 1;
+    if (*iter == ',')
+    {
+        inv_desc.erase(iter);
+    }
+
     return inv_desc;
 }
 
@@ -2483,6 +2484,42 @@ void LLMaterialEditor::loadMaterial(const tinygltf::Model &model_in, const std::
     pack_textures(base_color_img, normal_img, mr_img, emissive_img, occlusion_img,
         mBaseColorJ2C, mNormalJ2C, mMetallicRoughnessJ2C, mEmissiveJ2C);
 
+    if (open_floater)
+    {
+        bool textures_scaled = false;
+        if (mBaseColorFetched && mBaseColorJ2C
+            && (mBaseColorFetched->getWidth() != mBaseColorJ2C->getWidth()
+                || mBaseColorFetched->getHeight() != mBaseColorJ2C->getHeight()))
+        {
+            textures_scaled = true;
+        }
+        else if (mNormalFetched && mNormalJ2C
+            && (mNormalFetched->getWidth() != mNormalJ2C->getWidth()
+                || mNormalFetched->getHeight() != mNormalJ2C->getHeight()))
+        {
+            textures_scaled = true;
+        }
+        else if (mMetallicRoughnessFetched && mMetallicRoughnessJ2C
+            && (mMetallicRoughnessFetched->getWidth() != mMetallicRoughnessJ2C->getWidth()
+                || mMetallicRoughnessFetched->getHeight() != mMetallicRoughnessJ2C->getHeight()))
+        {
+            textures_scaled = true;
+        }
+        else if (mEmissiveFetched && mEmissiveJ2C
+            && (mEmissiveFetched->getWidth() != mEmissiveJ2C->getWidth()
+                || mEmissiveFetched->getHeight() != mEmissiveJ2C->getHeight()))
+        {
+            textures_scaled = true;
+        }
+
+        if (textures_scaled)
+        {
+            LLSD args;
+            args["MAX_SIZE"] = LLViewerTexture::MAX_IMAGE_SIZE_DEFAULT;
+            LLNotificationsUtil::add("MaterialImagesWereScaled", args);
+        }
+    }
+
     LLUUID base_color_id;
     if (mBaseColorFetched.notNull())
     {
@@ -2689,10 +2726,8 @@ const std::string LLMaterialEditor::getImageNameFromUri(std::string image_uri, c
         // so we can include everything
         if (stripped_uri.length() > 0)
         {
-            // example "DamagedHelmet: base layer"
+            // example "base layer"
             return STRINGIZE(
-                mMaterialNameShort <<
-                ": " <<
                 stripped_uri <<
                 " (" <<
                 texture_type <<
@@ -2701,28 +2736,17 @@ const std::string LLMaterialEditor::getImageNameFromUri(std::string image_uri, c
         }
         else
         // uri doesn't include the type (because the uri is empty)
-        // so we must reorganize the string a bit to include the name
-        // and an explicit name type
+        // include an explicit name type
         {
-            // example "DamagedHelmet: (Emissive)"
-            return STRINGIZE(
-                mMaterialNameShort <<
-                " (" <<
-                texture_type <<
-                ")"
-            );
+            // example "Emissive"
+            return texture_type;
         }
     }
     else
-    // uri includes the type so just use it directly with the
-    // name of the material
+    // uri includes the type so just use it directly
     {
-        return STRINGIZE(
-            // example: AlienBust: normal_layer
-            mMaterialNameShort <<
-            ": " <<
-            stripped_uri
-        );
+        // example: "normal_layer"
+        return stripped_uri;
     }
 }
 
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
index a7476ba6c4..07d68fc3ec 100644
--- a/indra/newview/llmeshrepository.cpp
+++ b/indra/newview/llmeshrepository.cpp
@@ -2380,7 +2380,13 @@ EMeshProcessingResult LLMeshRepoThread::lodReceived(const LLVolumeParams& mesh_p
     LLPointer<LLVolume> volume = new LLVolume(mesh_params, LLVolumeLODGroup::getVolumeScaleFromDetail(lod));
     if (volume->unpackVolumeFaces(data, data_size))
     {
-        if (volume->getNumFaces() > 0)
+        // Use LLVolume::getNumVolumeFaces() here and not LLVolume::getNumFaces(),
+        // because setMeshAssetLoaded() has not yet been called for this volume
+        // (it is set later in LLMeshRepository::notifyMeshLoaded()), and
+        // getNumFaces() would return the number of faces in the LLProfile
+        // instead. HB
+        S32 num_faces = volume->getNumVolumeFaces();
+        if (num_faces > 0)
         {
             // if we have a valid SkinInfo, cache per-joint bounding boxes for this LOD
             LLPointer<LLMeshSkinInfo> skin_info = nullptr;
@@ -2394,7 +2400,7 @@ EMeshProcessingResult LLMeshRepoThread::lodReceived(const LLVolumeParams& mesh_p
             }
             if (skin_info.notNull() && isAgentAvatarValid())
             {
-                for (S32 i = 0; i < volume->getNumFaces(); ++i)
+                for (S32 i = 0; i < num_faces; ++i)
                 {
                     // NOTE: no need to lock gAgentAvatarp as the state being checked is not changed after initialization
                     LLVolumeFace& face = volume->getVolumeFace(i);
@@ -2413,6 +2419,11 @@ EMeshProcessingResult LLMeshRepoThread::lodReceived(const LLVolumeParams& mesh_p
                 // might be good idea to turn mesh into pointer to avoid making a copy
                 mesh.mVolume = NULL;
             }
+            {
+                // make sure skin info is not removed from list while we are decreasing reference count
+                LLMutexLock lock(mSkinMapMutex);
+                skin_info = nullptr;
+            }
             return MESH_OK;
         }
     }
@@ -2721,10 +2732,14 @@ void LLMeshUploadThread::wholeModelToLLSD(LLSD& dest, std::vector<std::string>&
 
     S32 instance_num = 0;
 
-    for (instance_map::iterator iter = mInstance.begin(); iter != mInstance.end(); ++iter)
+    // Handle models, ignore submodels for now.
+    // Probably should pre-sort by mSubmodelID instead of running twice.
+    // Note: mInstance should be sorted by model name for the sake of
+    // deterministic order.
+    for (auto& iter : mInstance)
     {
         LLMeshUploadData data;
-        data.mBaseModel = iter->first;
+        data.mBaseModel = iter.first;
 
         if (data.mBaseModel->mSubmodelID)
         {
@@ -2733,7 +2748,7 @@ void LLMeshUploadThread::wholeModelToLLSD(LLSD& dest, std::vector<std::string>&
             continue;
         }
 
-        LLModelInstance& first_instance = *(iter->second.begin());
+        LLModelInstance& first_instance = *(iter.second.begin());
         for (S32 i = 0; i < 5; i++)
         {
             data.mModel[i] = first_instance.mLOD[i];
@@ -2767,7 +2782,7 @@ void LLMeshUploadThread::wholeModelToLLSD(LLSD& dest, std::vector<std::string>&
                 mUploadSkin,
                 mUploadJoints,
                 mLockScaleIfJointPosition,
-                false,
+                LLModel::WRITE_BINARY,
                 false,
                 data.mBaseModel->mSubmodelID);
 
@@ -2780,8 +2795,8 @@ void LLMeshUploadThread::wholeModelToLLSD(LLSD& dest, std::vector<std::string>&
         }
 
         // For all instances that use this model
-        for (instance_list::iterator instance_iter = iter->second.begin();
-             instance_iter != iter->second.end();
+        for (instance_list::iterator instance_iter = iter.second.begin();
+             instance_iter != iter.second.end();
              ++instance_iter)
         {
 
@@ -2881,10 +2896,11 @@ void LLMeshUploadThread::wholeModelToLLSD(LLSD& dest, std::vector<std::string>&
         }
     }
 
-    for (instance_map::iterator iter = mInstance.begin(); iter != mInstance.end(); ++iter)
+    // Now handle the submodels.
+    for (auto& iter : mInstance)
     {
         LLMeshUploadData data;
-        data.mBaseModel = iter->first;
+        data.mBaseModel = iter.first;
 
         if (!data.mBaseModel->mSubmodelID)
         {
@@ -2893,7 +2909,7 @@ void LLMeshUploadThread::wholeModelToLLSD(LLSD& dest, std::vector<std::string>&
             continue;
         }
 
-        LLModelInstance& first_instance = *(iter->second.begin());
+        LLModelInstance& first_instance = *(iter.second.begin());
         for (S32 i = 0; i < 5; i++)
         {
             data.mModel[i] = first_instance.mLOD[i];
@@ -2927,7 +2943,7 @@ void LLMeshUploadThread::wholeModelToLLSD(LLSD& dest, std::vector<std::string>&
                 mUploadSkin,
                 mUploadJoints,
                 mLockScaleIfJointPosition,
-                false,
+                LLModel::WRITE_BINARY,
                 false,
                 data.mBaseModel->mSubmodelID);
 
@@ -2940,8 +2956,8 @@ void LLMeshUploadThread::wholeModelToLLSD(LLSD& dest, std::vector<std::string>&
         }
 
         // For all instances that use this model
-        for (instance_list::iterator instance_iter = iter->second.begin();
-             instance_iter != iter->second.end();
+        for (instance_list::iterator instance_iter = iter.second.begin();
+             instance_iter != iter.second.end();
              ++instance_iter)
         {
 
diff --git a/indra/newview/llmeshrepository.h b/indra/newview/llmeshrepository.h
index 0c3a3559c2..2b772f7803 100644
--- a/indra/newview/llmeshrepository.h
+++ b/indra/newview/llmeshrepository.h
@@ -674,7 +674,22 @@ public:
     typedef std::vector<LLModelInstance> instance_list;
     instance_list   mInstanceList;
 
-    typedef std::map<LLPointer<LLModel>, instance_list> instance_map;
+    // Upload should happen in deterministic order, so sort instances by model name.
+    struct LLUploadModelInstanceLess
+    {
+        inline bool operator()(const LLPointer<LLModel>& a, const LLPointer<LLModel>& b) const
+        {
+            if (a.isNull() || b.isNull())
+            {
+                llassert(false); // We are uploading these models, they shouldn't be null.
+                return true;
+            }
+            // Note: probably can sort by mBaseModel->mSubmodelID here as well to avoid
+            // running over the list twice in wholeModelToLLSD.
+            return a->mLabel < b->mLabel;
+        }
+    };
+    typedef std::map<LLPointer<LLModel>, instance_list, LLUploadModelInstanceLess> instance_map;
     instance_map    mInstance;
 
     LLMutex*        mMutex;
diff --git a/indra/newview/llmodelpreview.cpp b/indra/newview/llmodelpreview.cpp
index 422cf34336..e0649e1d88 100644
--- a/indra/newview/llmodelpreview.cpp
+++ b/indra/newview/llmodelpreview.cpp
@@ -30,7 +30,7 @@
 
 #include "llmodelloader.h"
 #include "lldaeloader.h"
-#include "llgltfloader.h"
+#include "gltf/llgltfloader.h"
 #include "llfloatermodelpreview.h"
 
 #include "llagent.h"
@@ -40,6 +40,7 @@
 #include "lldrawable.h"
 #include "llface.h"
 #include "lliconctrl.h"
+#include "lljointdata.h"
 #include "llmatrix4a.h"
 #include "llmeshrepository.h"
 #include "llmeshoptimizer.h"
@@ -163,10 +164,14 @@ LLModelPreview::LLModelPreview(S32 width, S32 height, LLFloater* fmp)
     , mPhysicsSearchLOD(LLModel::LOD_PHYSICS)
     , mResetJoints(false)
     , mModelNoErrors(true)
+    , mLoading(false)
+    , mModelLoader(nullptr)
     , mLastJointUpdate(false)
     , mFirstSkinUpdate(true)
     , mHasDegenerate(false)
-    , mImporterDebug(LLCachedControl<bool>(gSavedSettings, "ImporterDebug", false))
+    , mNumOfFetchingTextures(0)
+    , mTexturesNeedScaling(false)
+    , mImporterDebug(LLCachedControl<bool>(gSavedSettings, "ImporterDebugVerboseLogging", false))
 {
     mNeedsUpdate = true;
     mCameraDistance = 0.f;
@@ -175,11 +180,9 @@ LLModelPreview::LLModelPreview(S32 width, S32 height, LLFloater* fmp)
     mCameraZoom = 1.f;
     mTextureName = 0;
     mPreviewLOD = 0;
-    mModelLoader = NULL;
     mMaxTriangleLimit = 0;
     mDirty = false;
     mGenLOD = false;
-    mLoading = false;
     mLookUpLodFiles = false;
     mLoadState = LLModelLoader::STARTING;
     mGroup = 0;
@@ -211,6 +214,7 @@ LLModelPreview::~LLModelPreview()
     {
         mModelLoader->shutdown();
         mModelLoader = NULL;
+        mLoading = false;
     }
 
     if (mPreviewAvatar)
@@ -557,10 +561,7 @@ void LLModelPreview::rebuildUploadData()
                             texture->setLoadedCallback(LLModelPreview::textureLoadedCallback, 0, true, false, new LLHandle<LLModelPreview>(getHandle()), &mCallbackTextureList, false);
                             texture->forceToSaveRawImage(0, F32_MAX);
                             texture->updateFetch();
-                            if (mModelLoader)
-                            {
-                                mModelLoader->mNumOfFetchingTextures++;
-                            }
+                            mNumOfFetchingTextures++;
                         }
                     }
                 }
@@ -691,7 +692,7 @@ void LLModelPreview::saveUploadData(const std::string& filename,
                 save_skinweights,
                 save_joint_positions,
                 lock_scale_if_joint_position,
-                false, true, instance.mModel->mSubmodelID);
+                LLModel::WRITE_BINARY, true, instance.mModel->mSubmodelID);
 
             data["mesh"][instance.mModel->mLocalID] = str.str();
         }
@@ -753,6 +754,10 @@ void LLModelPreview::loadModel(std::string filename, S32 lod, bool force_disable
         LL_WARNS() << out.str() << LL_ENDL;
         LLFloaterModelPreview::addStringToLog(out, true);
         assert(lod >= LLModel::LOD_IMPOSTOR && lod < LLModel::NUM_LODS);
+        if (mModelLoader == nullptr)
+        {
+            mLoading = false;
+        }
         return;
     }
 
@@ -780,7 +785,7 @@ void LLModelPreview::loadModel(std::string filename, S32 lod, bool force_disable
 
     mLODFile[lod] = filename;
 
-    std::map<std::string, std::string> joint_alias_map;
+    std::map<std::string, std::string, std::less<>> joint_alias_map;
     getJointAliases(joint_alias_map);
 
     LLHandle<LLModelPreview> preview_handle = getHandle();
@@ -806,10 +811,14 @@ void LLModelPreview::loadModel(std::string filename, S32 lod, bool force_disable
             joint_alias_map,
             LLSkinningUtil::getMaxJointCount(),
             gSavedSettings.getU32("ImporterModelLimit"),
+            gSavedSettings.getU32("ImporterDebugMode"),
             gSavedSettings.getBOOL("ImporterPreprocessDAE"));
     }
     else
     {
+        LLVOAvatar* av = getPreviewAvatar();
+        std::vector<LLJointData> viewer_skeleton;
+        av->getJointMatricesAndHierarhy(viewer_skeleton);
         mModelLoader = new LLGLTFLoader(
             filename,
             lod,
@@ -822,7 +831,9 @@ void LLModelPreview::loadModel(std::string filename, S32 lod, bool force_disable
             mJointsFromNode,
             joint_alias_map,
             LLSkinningUtil::getMaxJointCount(),
-            gSavedSettings.getU32("ImporterModelLimit"));
+            gSavedSettings.getU32("ImporterModelLimit"),
+            gSavedSettings.getU32("ImporterDebugMode"),
+            viewer_skeleton);
     }
 
     if (force_disable_slm)
@@ -985,7 +996,9 @@ void LLModelPreview::loadModelCallback(S32 loaded_lod)
     setRigValidForJointPositionUpload(mModelLoader->isRigValidForJointPositionUpload());
     setLegacyRigFlags(mModelLoader->getLegacyRigFlags());
 
+    mTexturesNeedScaling |= mModelLoader->mTexturesNeedScaling;
     mModelLoader->loadTextures();
+    warnTextureScaling();
 
     if (loaded_lod == -1)
     { //populate all LoDs from model loader scene
@@ -1807,7 +1820,7 @@ F32 LLModelPreview::genMeshOptimizerPerFace(LLModel *base_model, LLModel *target
 
 void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 decimation, bool enforce_tri_limit)
 {
-    LL_INFOS() << "Generating lod " << which_lod << " using meshoptimizer" << LL_ENDL;
+    LL_DEBUGS("Upload") << "Generating lod " << which_lod << " using meshoptimizer" << LL_ENDL;
     // Allow LoD from -1 to LLModel::LOD_PHYSICS
     if (which_lod < -1 || which_lod > LLModel::NUM_LODS - 1)
     {
@@ -1884,6 +1897,12 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d
 
     mMaxTriangleLimit = base_triangle_count;
 
+    // For logging purposes
+    S32 meshes_processed = 0;
+    S32 meshes_simplified = 0;
+    S32 meshes_sloppy_simplified = 0;
+    S32 meshes_fail_count = 0;
+
     // Build models
 
     S32 start = LLModel::LOD_HIGH;
@@ -1893,7 +1912,7 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d
     {
         start = which_lod;
         end = which_lod;
-    }
+    };
 
     for (S32 lod = start; lod >= end; --lod)
     {
@@ -1956,6 +1975,11 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d
                         const LLVolumeFace &face = base->getVolumeFace(face_idx);
                         LLVolumeFace &new_face = target_model->getVolumeFace(face_idx);
                         new_face = face;
+                        meshes_fail_count++;
+                    }
+                    else
+                    {
+                        meshes_simplified++;
                     }
                 }
             }
@@ -1968,7 +1992,18 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d
                     if (genMeshOptimizerPerFace(base, target_model, face_idx, indices_decimator, lod_error_threshold, MESH_OPTIMIZER_NO_TOPOLOGY) < 0)
                     {
                         // Sloppy failed and returned an invalid model
-                        genMeshOptimizerPerFace(base, target_model, face_idx, indices_decimator, lod_error_threshold, MESH_OPTIMIZER_FULL);
+                        if (genMeshOptimizerPerFace(base, target_model, face_idx, indices_decimator, lod_error_threshold, MESH_OPTIMIZER_FULL) < 0)
+                        {
+                            meshes_fail_count++;
+                        }
+                        else
+                        {
+                            meshes_simplified++;
+                        }
+                    }
+                    else
+                    {
+                        meshes_sloppy_simplified++;
                     }
                 }
             }
@@ -2068,25 +2103,28 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d
                             precise_ratio = genMeshOptimizerPerModel(base, target_model, indices_decimator, lod_error_threshold, MESH_OPTIMIZER_FULL);
                         }
 
-                        LL_INFOS() << "Model " << target_model->getName()
+                        LL_DEBUGS("Upload") << "Model " << target_model->getName()
                             << " lod " << which_lod
                             << " resulting ratio " << precise_ratio
                             << " simplified using per model method." << LL_ENDL;
+                        meshes_simplified++;
                     }
                     else
                     {
-                        LL_INFOS() << "Model " << target_model->getName()
+                        LL_DEBUGS("Upload") << "Model " << target_model->getName()
                             << " lod " << which_lod
                             << " resulting ratio " << sloppy_ratio
                             << " sloppily simplified using per model method." << LL_ENDL;
+                        meshes_sloppy_simplified++;
                     }
                 }
                 else
                 {
-                    LL_INFOS() << "Model " << target_model->getName()
+                    LL_DEBUGS("Upload") << "Model " << target_model->getName()
                         << " lod " << which_lod
                         << " resulting ratio " << precise_ratio
                         << " simplified using per model method." << LL_ENDL;
+                    meshes_simplified++;
                 }
             }
 
@@ -2100,6 +2138,8 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d
             //copy material list
             target_model->mMaterialList = base->mMaterialList;
 
+            meshes_processed++;
+
             if (!validate_model(target_model))
             {
                 LL_ERRS() << "Invalid model generated when creating LODs" << LL_ENDL;
@@ -2129,6 +2169,11 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d
             }
         }
     }
+
+    LL_INFOS("Upload") << "LOD " << which_lod << ", Mesh optimizer processed meshes : " << meshes_processed
+        <<" simplified: " << meshes_simplified
+        << ", slopily simplified: " << meshes_sloppy_simplified
+        << ", failures: " << meshes_fail_count << LL_ENDL;
 }
 
 void LLModelPreview::updateStatusMessages()
@@ -2466,7 +2511,7 @@ void LLModelPreview::updateStatusMessages()
         LLMutexLock lock(this);
         if (mModelLoader)
         {
-            if (!mModelLoader->areTexturesReady() && mFMP->childGetValue("upload_textures").asBoolean())
+            if (!areTexturesReady() && mFMP->childGetValue("upload_textures").asBoolean())
             {
                 // Some textures are still loading, prevent upload until they are done
                 mModelNoErrors = false;
@@ -3039,9 +3084,12 @@ void LLModelPreview::loadedCallback(
     S32 lod,
     void* opaque)
 {
+    if(LLModelPreview::sIgnoreLoadedCallback)
+        return;
+
     LLModelPreview* pPreview = static_cast<LLModelPreview*>(opaque);
     LLMutexLock lock(pPreview);
-    if (pPreview && pPreview->mModelLoader && !LLModelPreview::sIgnoreLoadedCallback)
+    if (pPreview && pPreview->mModelLoader)
     {
         // Load loader's warnings into floater's log tab
         const LLSD out = pPreview->mModelLoader->logOut();
@@ -3090,25 +3138,48 @@ void LLModelPreview::lookupLODModelFiles(S32 lod)
     S32 next_lod = (lod - 1 >= LLModel::LOD_IMPOSTOR) ? lod - 1 : LLModel::LOD_PHYSICS;
 
     std::string lod_filename = mLODFile[LLModel::LOD_HIGH];
-    std::string ext = ".dae";
     std::string lod_filename_lower(lod_filename);
     LLStringUtil::toLower(lod_filename_lower);
-    std::string::size_type i = lod_filename_lower.rfind(ext);
-    if (i != std::string::npos)
+
+    // Check for each supported file extension
+    std::vector<std::string> supported_exts = { ".dae", ".gltf", ".glb" };
+    std::string found_ext;
+    std::string::size_type ext_pos = std::string::npos;
+
+    for (const auto& ext : supported_exts)
     {
-        lod_filename.replace(i, lod_filename.size() - ext.size(), getLodSuffix(next_lod) + ext);
+        std::string::size_type i = lod_filename_lower.rfind(ext);
+        if (i != std::string::npos)
+        {
+            ext_pos = i;
+            found_ext = ext;
+            break;
+        }
     }
-    if (gDirUtilp->fileExists(lod_filename))
+
+    if (ext_pos != std::string::npos)
     {
-        LLFloaterModelPreview* fmp = LLFloaterModelPreview::sInstance;
-        if (fmp)
+        // Replace extension with LOD suffix + original extension
+        std::string lod_file_to_check = lod_filename;
+        lod_file_to_check.replace(ext_pos, found_ext.size(), getLodSuffix(next_lod) + found_ext);
+
+        if (gDirUtilp->fileExists(lod_file_to_check))
+        {
+            LLFloaterModelPreview* fmp = LLFloaterModelPreview::sInstance;
+            if (fmp)
+            {
+                fmp->setCtrlLoadFromFile(next_lod);
+            }
+            loadModel(lod_file_to_check, next_lod);
+        }
+        else
         {
-            fmp->setCtrlLoadFromFile(next_lod);
+            lookupLODModelFiles(next_lod);
         }
-        loadModel(lod_filename, next_lod);
     }
     else
     {
+        // No recognized extension found, continue with next LOD
         lookupLODModelFiles(next_lod);
     }
 }
@@ -3149,6 +3220,7 @@ U32 LLModelPreview::loadTextures(LLImportMaterial& material, LLHandle<LLModelPre
         tex->setLoadedCallback(LLModelPreview::textureLoadedCallback, 0, true, false, new LLHandle<LLModelPreview>(handle), &preview->mCallbackTextureList, false);
         tex->forceToSaveRawImage(0, F32_MAX);
         material.setDiffuseMap(tex->getID()); // record tex ID
+        preview->mNumOfFetchingTextures++;
         return 1;
     }
 
@@ -3992,6 +4064,18 @@ void LLModelPreview::setPreviewLOD(S32 lod)
     updateStatusMessages();
 }
 
+void LLModelPreview::warnTextureScaling()
+{
+    if (areTexturesReady() && mTexturesNeedScaling)
+    {
+        std::ostringstream out;
+        out << "One or more textures in this model were scaled to be within the allowed limits.";
+        LL_INFOS() << out.str() << LL_ENDL;
+        LLSD args;
+        LLFloaterModelPreview::addStringToLog("ModelTextureScaling", args, true, -1);
+    }
+}
+
 //static
 void LLModelPreview::textureLoadedCallback(
     bool success,
@@ -4012,11 +4096,19 @@ void LLModelPreview::textureLoadedCallback(
         LLModelPreview* preview = static_cast<LLModelPreview*>(handle->get());
         preview->refresh();
 
-        if (final && preview->mModelLoader)
+        if (final)
         {
-            if (preview->mModelLoader->mNumOfFetchingTextures > 0)
+            if (src_vi
+                && (src_vi->getOriginalWidth() > LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT
+                    || src_vi->getOriginalHeight() > LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT))
+            {
+                preview->mTexturesNeedScaling = true;
+            }
+
+            if (preview->mNumOfFetchingTextures > 0)
             {
-                preview->mModelLoader->mNumOfFetchingTextures--;
+                preview->mNumOfFetchingTextures--;
+                preview->warnTextureScaling();
             }
         }
     }
diff --git a/indra/newview/llmodelpreview.h b/indra/newview/llmodelpreview.h
index 0873263587..7b3b699b33 100644
--- a/indra/newview/llmodelpreview.h
+++ b/indra/newview/llmodelpreview.h
@@ -204,6 +204,7 @@ public:
     std::vector<S32> mLodsQuery;
     std::vector<S32> mLodsWithParsingError;
     bool mHasDegenerate;
+    bool areTexturesReady() { return !mNumOfFetchingTextures; }
 
 protected:
 
@@ -213,6 +214,7 @@ protected:
     static LLJoint* lookupJointByName(const std::string&, void* opaque);
     static U32          loadTextures(LLImportMaterial& material, LLHandle<LLModelPreview> handle);
 
+    void warnTextureScaling();
     void lookupLODModelFiles(S32 lod);
 
 private:
@@ -242,6 +244,9 @@ private:
     /// Not read unless mWarnOfUnmatchedPhyicsMeshes is true.
     LLPointer<LLModel> mDefaultPhysicsShapeP;
 
+    S32 mNumOfFetchingTextures;
+    bool mTexturesNeedScaling;
+
     typedef enum
     {
         MESH_OPTIMIZER_FULL,
diff --git a/indra/newview/llmutelist.cpp b/indra/newview/llmutelist.cpp
index 2d51acc063..f6d635f51f 100644
--- a/indra/newview/llmutelist.cpp
+++ b/indra/newview/llmutelist.cpp
@@ -154,7 +154,8 @@ std::string LLMute::getDisplayType() const
 // LLMuteList()
 //-----------------------------------------------------------------------------
 LLMuteList::LLMuteList() :
-    mIsLoaded(false)
+    mLoadState(ML_INITIAL),
+    mRequestStartTime(0.f)
 {
     gGenericDispatcher.addHandler("emptymutelist", &sDispatchEmptyMuteList);
 
@@ -209,6 +210,23 @@ bool LLMuteList::isLinden(const std::string& name)
     return last_name == "linden";
 }
 
+bool LLMuteList::getLoadFailed() const
+{
+    if (mLoadState == ML_FAILED)
+    {
+        return true;
+    }
+    if (mLoadState == ML_REQUESTED)
+    {
+        constexpr F64 WAIT_SECONDS = 30;
+        if (mRequestStartTime + WAIT_SECONDS < LLTimer::getTotalSeconds())
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
 static LLVOAvatar* find_avatar(const LLUUID& id)
 {
     LLViewerObject *obj = gObjectList.findObject(id);
@@ -371,11 +389,14 @@ void LLMuteList::updateAdd(const LLMute& mute)
     msg->addU32("MuteFlags", mute.mFlags);
     gAgent.sendReliableMessage();
 
-    if (!mIsLoaded)
+    if (!isLoaded())
     {
         LL_WARNS() << "Added elements to non-initialized block list" << LL_ENDL;
     }
-    mIsLoaded = true; // why is this here? -MG
+    // Based of logs and testing, if file doesn't exist server side,
+    // viewer will not receive any callback and won't know to set
+    // ML_LOADED. As a workaround, set it regardless of current state.
+    mLoadState = ML_LOADED;
 }
 
 
@@ -564,6 +585,7 @@ bool LLMuteList::loadFromFile(const std::string& filename)
     if(!filename.size())
     {
         LL_WARNS() << "Mute List Filename is Empty!" << LL_ENDL;
+        mLoadState = ML_FAILED;
         return false;
     }
 
@@ -571,6 +593,7 @@ bool LLMuteList::loadFromFile(const std::string& filename)
     if (!fp)
     {
         LL_WARNS() << "Couldn't open mute list " << filename << LL_ENDL;
+        mLoadState = ML_FAILED;
         return false;
     }
 
@@ -730,13 +753,17 @@ void LLMuteList::requestFromServer(const LLUUID& agent_id)
     if (gDisconnected)
     {
         LL_WARNS() << "Trying to request mute list when disconnected!" << LL_ENDL;
+        mLoadState = ML_FAILED;
         return;
     }
     if (!gAgent.getRegion())
     {
         LL_WARNS() << "No region for agent yet, skipping mute list request!" << LL_ENDL;
+        mLoadState = ML_FAILED;
         return;
     }
+    mLoadState = ML_REQUESTED;
+    mRequestStartTime = LLTimer::getElapsedSeconds();
     // Double amount of retries due to this request happening during busy stage
     // Ideally this should be turned into a capability
     gMessageSystem->sendReliable(gAgent.getRegionHost(), LL_DEFAULT_RELIABLE_RETRIES * 2, true, LL_PING_BASED_TIMEOUT_DUMMY, NULL, NULL);
@@ -749,7 +776,7 @@ void LLMuteList::requestFromServer(const LLUUID& agent_id)
 void LLMuteList::cache(const LLUUID& agent_id)
 {
     // Write to disk even if empty.
-    if(mIsLoaded)
+    if(isLoaded())
     {
         std::string agent_id_string;
         std::string filename;
@@ -777,6 +804,13 @@ void LLMuteList::processMuteListUpdate(LLMessageSystem* msg, void**)
     msg->getStringFast(_PREHASH_MuteData, _PREHASH_Filename, unclean_filename);
     std::string filename = LLDir::getScrubbedFileName(unclean_filename);
 
+    LLMuteList* mute_list = getInstance();
+    mute_list->mLoadState = ML_REQUESTED;
+    mute_list->mRequestStartTime = LLTimer::getElapsedSeconds();
+
+    // Todo: Based of logs and testing, there is no callback
+    // from server if file doesn't exist server side.
+    // Once server side gets fixed make sure it gets handled right.
     std::string *local_filename_and_path = new std::string(gDirUtilp->getExpandedFilename( LL_PATH_CACHE, filename ));
     gXferManager->requestFile(*local_filename_and_path,
                               filename,
@@ -809,12 +843,16 @@ void LLMuteList::onFileMuteList(void** user_data, S32 error_code, LLExtStat ext_
         LLMuteList::getInstance()->loadFromFile(*local_filename_and_path);
         LLFile::remove(*local_filename_and_path);
     }
+    else
+    {
+        LLMuteList::getInstance()->mLoadState = ML_FAILED;
+    }
     delete local_filename_and_path;
 }
 
 void LLMuteList::onAccountNameChanged(const LLUUID& id, const std::string& username)
 {
-    if (mIsLoaded)
+    if (isLoaded())
     {
         LLMute mute(id, username, LLMute::AGENT);
         mute_set_t::iterator mute_it = mMutes.find(mute);
@@ -866,7 +904,7 @@ void LLMuteList::removeObserver(LLMuteListObserver* observer)
 
 void LLMuteList::setLoaded()
 {
-    mIsLoaded = true;
+    mLoadState = ML_LOADED;
     notifyObservers();
 }
 
diff --git a/indra/newview/llmutelist.h b/indra/newview/llmutelist.h
index 13d579c61f..b65fd61fcc 100644
--- a/indra/newview/llmutelist.h
+++ b/indra/newview/llmutelist.h
@@ -74,6 +74,14 @@ class LLMuteList : public LLSingleton<LLMuteList>
     LLSINGLETON(LLMuteList);
     ~LLMuteList();
     /*virtual*/ void cleanupSingleton() override;
+
+    enum EMuteListState
+    {
+        ML_INITIAL,
+        ML_REQUESTED,
+        ML_LOADED,
+        ML_FAILED,
+    };
 public:
     // reasons for auto-unmuting a resident
     enum EAutoReason
@@ -107,7 +115,8 @@ public:
 
     static bool isLinden(const std::string& name);
 
-    bool isLoaded() const { return mIsLoaded; }
+    bool isLoaded() const { return mLoadState == ML_LOADED; }
+    bool getLoadFailed() const;
 
     std::vector<LLMute> getMutes() const;
 
@@ -167,7 +176,8 @@ private:
     typedef std::set<LLMuteListObserver*> observer_set_t;
     observer_set_t mObservers;
 
-    bool mIsLoaded;
+    EMuteListState mLoadState;
+    F64 mRequestStartTime;
 
     friend class LLDispatchEmptyMuteList;
 };
diff --git a/indra/newview/llpanelemojicomplete.cpp b/indra/newview/llpanelemojicomplete.cpp
index 3a6a6a5ec3..f0555408dd 100644
--- a/indra/newview/llpanelemojicomplete.cpp
+++ b/indra/newview/llpanelemojicomplete.cpp
@@ -463,6 +463,7 @@ void LLPanelEmojiComplete::updateConstraints()
     {
         mEmojiHeight = mRenderRect.getHeight();
         mRenderRect.stretch((mRenderRect.getWidth() - static_cast<S32>(mVisibleEmojis) * mEmojiWidth) / -2, 0);
+        mRenderRect.translate(-mRenderRect.mLeft, 0); // Left align emojis to fix hitboxes
     }
 
     updateScrollPos();
diff --git a/indra/newview/llpanelface.cpp b/indra/newview/llpanelface.cpp
index 2086c8f68f..3ab48f69c8 100644
--- a/indra/newview/llpanelface.cpp
+++ b/indra/newview/llpanelface.cpp
@@ -162,6 +162,36 @@ void LLPanelFace::updateSelectedGLTFMaterials(std::function<void(LLGLTFMaterial*
     LLSelectMgr::getInstance()->getSelection()->applyToTEs(&select_func);
 }
 
+void LLPanelFace::updateSelectedGLTFMaterialsWithScale(std::function<void(LLGLTFMaterial*, const F32, const F32)> func)
+{
+    struct LLSelectedTEGLTFMaterialFunctor : public LLSelectedTEFunctor
+    {
+        LLSelectedTEGLTFMaterialFunctor(std::function<void(LLGLTFMaterial*, const F32, const F32)> func) : mFunc(func) {}
+        virtual ~LLSelectedTEGLTFMaterialFunctor() {};
+        bool apply(LLViewerObject* object, S32 face) override
+        {
+            LLGLTFMaterial new_override;
+            const LLTextureEntry* tep = object->getTE(face);
+            if (tep->getGLTFMaterialOverride())
+            {
+                new_override = *tep->getGLTFMaterialOverride();
+            }
+
+            U32 s_axis = VX;
+            U32 t_axis = VY;
+            LLPrimitive::getTESTAxes(face, &s_axis, &t_axis);
+            mFunc(&new_override, object->getScale().mV[s_axis], object->getScale().mV[t_axis]);
+            LLGLTFMaterialList::queueModify(object, face, &new_override);
+
+            return true;
+        }
+
+        std::function<void(LLGLTFMaterial*, const F32, const F32)> mFunc;
+    } select_func(func);
+
+    LLSelectMgr::getInstance()->getSelection()->applyToTEs(&select_func);
+}
+
 template<typename T>
 void readSelectedGLTFMaterial(std::function<T(const LLGLTFMaterial*)> func, T& value, bool& identical, bool has_tolerance, T tolerance)
 {
@@ -182,6 +212,36 @@ void readSelectedGLTFMaterial(std::function<T(const LLGLTFMaterial*)> func, T& v
     identical = LLSelectMgr::getInstance()->getSelection()->getSelectedTEValue(&select_func, value, has_tolerance, tolerance);
 }
 
+void getSelectedGLTFMaterialMaxRepeats(LLGLTFMaterial::TextureInfo channel, F32& repeats, bool& identical)
+{
+    // The All channel should read base color values
+    if (channel == LLGLTFMaterial::TextureInfo::GLTF_TEXTURE_INFO_COUNT)
+        channel = LLGLTFMaterial::TextureInfo::GLTF_TEXTURE_INFO_BASE_COLOR;
+
+    struct LLSelectedTEGetGLTFMaterialMaxRepeatsFunctor : public LLSelectedTEGetFunctor<F32>
+    {
+        LLSelectedTEGetGLTFMaterialMaxRepeatsFunctor(LLGLTFMaterial::TextureInfo channel) : mChannel(channel) {}
+        virtual ~LLSelectedTEGetGLTFMaterialMaxRepeatsFunctor() {};
+        F32 get(LLViewerObject* object, S32 face) override
+        {
+            const LLTextureEntry* tep = object->getTE(face);
+            const LLGLTFMaterial* render_material = tep->getGLTFRenderMaterial();
+            if (!render_material)
+                return 0.f;
+
+            U32 s_axis = VX;
+            U32 t_axis = VY;
+            LLPrimitive::getTESTAxes(face, &s_axis, &t_axis);
+            F32 repeats_u = render_material->mTextureTransform[mChannel].mScale[VX] / object->getScale().mV[s_axis];
+            F32 repeats_v = render_material->mTextureTransform[mChannel].mScale[VY] / object->getScale().mV[t_axis];
+            return llmax(repeats_u, repeats_v);
+        }
+
+        LLGLTFMaterial::TextureInfo mChannel;
+    } max_repeats_func(channel);
+    identical = LLSelectMgr::getInstance()->getSelection()->getSelectedTEValue(&max_repeats_func, repeats);
+}
+
 BOOST_STATIC_ASSERT(MATTYPE_DIFFUSE == LLRender::DIFFUSE_MAP && MATTYPE_NORMAL == LLRender::NORMAL_MAP && MATTYPE_SPECULAR == LLRender::SPECULAR_MAP);
 
 //
@@ -216,7 +276,7 @@ LLRender::eTexIndex LLPanelFace::getMatTextureChannel()
             return LLRender::NORMAL_MAP;
         break;
     case MATTYPE_SPECULAR: // "Shininess (specular)"
-        if (getCurrentNormalMap().notNull())
+        if (getCurrentSpecularMap().notNull())
             return LLRender::SPECULAR_MAP;
         break;
     }
@@ -322,6 +382,7 @@ bool LLPanelFace::postBuild()
 
     getChildSetCommitCallback(mPBRScaleU, "gltfTextureScaleU", [&](LLUICtrl*, const LLSD&) { onCommitGLTFTextureScaleU(); });
     getChildSetCommitCallback(mPBRScaleV, "gltfTextureScaleV", [&](LLUICtrl*, const LLSD&) { onCommitGLTFTextureScaleV(); });
+    getChildSetCommitCallback(mPBRRepeat, "gltfRptctrl", [&](LLUICtrl*, const LLSD&) { onCommitGLTFRepeatsPerMeter(); });
     getChildSetCommitCallback(mPBRRotate, "gltfTextureRotation", [&](LLUICtrl*, const LLSD&) { onCommitGLTFRotation(); });
     getChildSetCommitCallback(mPBROffsetU, "gltfTextureOffsetU", [&](LLUICtrl*, const LLSD&) { onCommitGLTFTextureOffsetU(); });
     getChildSetCommitCallback(mPBROffsetV, "gltfTextureOffsetV", [&](LLUICtrl*, const LLSD&) { onCommitGLTFTextureOffsetV(); });
@@ -1394,9 +1455,18 @@ void LLPanelFace::updateUI(bool force_set_values /*false*/)
             spec_scale_s = editable ? spec_scale_s : 1.0f;
             spec_scale_s *= identical_planar_texgen ? 2.0f : 1.0f;
 
-            mTexScaleU->setValue(diff_scale_s);
-            mShinyScaleU->setValue(spec_scale_s);
-            mBumpyScaleU->setValue(norm_scale_s);
+            if (force_set_values)
+            {
+                mTexScaleU->forceSetValue(diff_scale_s);
+                mShinyScaleU->forceSetValue(spec_scale_s);
+                mBumpyScaleU->forceSetValue(norm_scale_s);
+            }
+            else
+            {
+                mTexScaleU->setValue(diff_scale_s);
+                mShinyScaleU->setValue(spec_scale_s);
+                mBumpyScaleU->setValue(norm_scale_s);
+            }
 
             mTexScaleU->setEnabled(editable && has_material);
             mShinyScaleU->setEnabled(editable && has_material && specmap_id.notNull());
@@ -1444,13 +1514,16 @@ void LLPanelFace::updateUI(bool force_set_values /*false*/)
             if (force_set_values)
             {
                 mTexScaleV->forceSetValue(diff_scale_t);
+                mShinyScaleV->forceSetValue(spec_scale_t);
+                mBumpyScaleV->forceSetValue(norm_scale_t);
             }
             else
             {
                 mTexScaleV->setValue(diff_scale_t);
+                mShinyScaleV->setValue(spec_scale_t);
+                mBumpyScaleV->setValue(norm_scale_t);
             }
-            mShinyScaleV->setValue(spec_scale_t);
-            mBumpyScaleV->setValue(norm_scale_t);
+
 
             mTexScaleV->setTentative(LLSD(diff_scale_tentative));
             mShinyScaleV->setTentative(LLSD(spec_scale_tentative));
@@ -1590,36 +1663,57 @@ void LLPanelFace::updateUI(bool force_set_values /*false*/)
             F32 repeats_norm = 1.f;
             F32 repeats_spec = 1.f;
 
+            F32 repeats_pbr_basecolor = 1.f;
+            F32 repeats_pbr_metallic_roughness = 1.f;
+            F32 repeats_pbr_normal = 1.f;
+            F32 repeats_pbr_emissive = 1.f;
+
             bool identical_diff_repeats = false;
             bool identical_norm_repeats = false;
             bool identical_spec_repeats = false;
 
-            LLSelectedTE::getMaxDiffuseRepeats(repeats_diff, identical_diff_repeats);
-            LLSelectedTEMaterial::getMaxNormalRepeats(repeats_norm, identical_norm_repeats);
-            LLSelectedTEMaterial::getMaxSpecularRepeats(repeats_spec, identical_spec_repeats);
+            bool identical_pbr_basecolor_repeats = false;
+            bool identical_pbr_metallic_roughness_repeats = false;
+            bool identical_pbr_normal_repeats = false;
+            bool identical_pbr_emissive_repeats = false;
 
             {
+                LLSpinCtrl* repeats_spin_ctrl  = nullptr;
                 S32 index = mComboTexGen ? mComboTexGen->getCurrentIndex() : 0;
                 bool enabled = editable && (index != 1);
                 bool identical_repeats = true;
                 S32 material_selection = mComboMatMedia->getCurrentIndex();
                 F32 repeats = 1.0f;
 
-                U32 material_type = MATTYPE_DIFFUSE;
-                if (material_selection == MATMEDIA_MATERIAL)
+                LLRender::eTexIndex material_channel = LLRender::DIFFUSE_MAP;
+                if (material_selection != MATMEDIA_PBR)
                 {
-                    material_type = mRadioMaterialType->getSelectedIndex();
+                    repeats_spin_ctrl = mTexRepeat;
+                    material_channel = getMatTextureChannel();
+                    LLSelectedTE::getMaxDiffuseRepeats(repeats_diff, identical_diff_repeats);
+                    LLSelectedTEMaterial::getMaxNormalRepeats(repeats_norm, identical_norm_repeats);
+                    LLSelectedTEMaterial::getMaxSpecularRepeats(repeats_spec, identical_spec_repeats);
                 }
                 else if (material_selection == MATMEDIA_PBR)
                 {
+                    repeats_spin_ctrl = mPBRRepeat;
                     enabled = editable && has_pbr_material;
-                    material_type = mRadioPbrType->getSelectedIndex();
+                    material_channel = getPBRTextureChannel();
+
+                    getSelectedGLTFMaterialMaxRepeats(LLGLTFMaterial::TextureInfo::GLTF_TEXTURE_INFO_BASE_COLOR,
+                                                      repeats_pbr_basecolor, identical_pbr_basecolor_repeats);
+                    getSelectedGLTFMaterialMaxRepeats(LLGLTFMaterial::TextureInfo::GLTF_TEXTURE_INFO_METALLIC_ROUGHNESS,
+                                                      repeats_pbr_metallic_roughness, identical_pbr_metallic_roughness_repeats);
+                    getSelectedGLTFMaterialMaxRepeats(LLGLTFMaterial::TextureInfo::GLTF_TEXTURE_INFO_NORMAL,
+                                                      repeats_pbr_normal, identical_pbr_normal_repeats);
+                    getSelectedGLTFMaterialMaxRepeats(LLGLTFMaterial::TextureInfo::GLTF_TEXTURE_INFO_EMISSIVE,
+                                                      repeats_pbr_emissive, identical_pbr_emissive_repeats);
                 }
 
-                switch (material_type)
+                switch (material_channel)
                 {
                 default:
-                case MATTYPE_DIFFUSE:
+                case LLRender::DIFFUSE_MAP:
                     if (material_selection != MATMEDIA_PBR)
                     {
                         enabled = editable && !id.isNull();
@@ -1627,7 +1721,7 @@ void LLPanelFace::updateUI(bool force_set_values /*false*/)
                     identical_repeats = identical_diff_repeats;
                     repeats = repeats_diff;
                     break;
-                case MATTYPE_SPECULAR:
+                case LLRender::SPECULAR_MAP:
                     if (material_selection != MATMEDIA_PBR)
                     {
                         enabled = (editable && ((shiny == SHINY_TEXTURE) && !specmap_id.isNull()));
@@ -1635,7 +1729,7 @@ void LLPanelFace::updateUI(bool force_set_values /*false*/)
                     identical_repeats = identical_spec_repeats;
                     repeats = repeats_spec;
                     break;
-                case MATTYPE_NORMAL:
+                case LLRender::NORMAL_MAP:
                     if (material_selection != MATMEDIA_PBR)
                     {
                         enabled = (editable && ((bumpy == BUMPY_TEXTURE) && !normmap_id.isNull()));
@@ -1643,6 +1737,23 @@ void LLPanelFace::updateUI(bool force_set_values /*false*/)
                     identical_repeats = identical_norm_repeats;
                     repeats = repeats_norm;
                     break;
+                case LLRender::NUM_TEXTURE_CHANNELS:
+                case LLRender::BASECOLOR_MAP:
+                    identical_repeats = identical_pbr_basecolor_repeats;
+                    repeats = repeats_pbr_basecolor;
+                    break;
+                case LLRender::METALLIC_ROUGHNESS_MAP:
+                    identical_repeats = identical_pbr_metallic_roughness_repeats;
+                    repeats = repeats_pbr_metallic_roughness;
+                    break;
+                case LLRender::GLTF_NORMAL_MAP:
+                    identical_repeats = identical_pbr_normal_repeats;
+                    repeats = repeats_pbr_normal;
+                    break;
+                case LLRender::EMISSIVE_MAP:
+                    identical_repeats = identical_pbr_emissive_repeats;
+                    repeats = repeats_pbr_emissive;
+                    break;
                 }
 
                 bool repeats_tentative = !identical_repeats;
@@ -1650,14 +1761,14 @@ void LLPanelFace::updateUI(bool force_set_values /*false*/)
                 if (force_set_values)
                 {
                     // onCommit, previosly edited element updates related ones
-                    mTexRepeat->forceSetValue(editable ? repeats : 1.0f);
+                    repeats_spin_ctrl->forceSetValue(editable ? repeats : 1.0f);
                 }
                 else
                 {
-                    mTexRepeat->setValue(editable ? repeats : 1.0f);
+                    repeats_spin_ctrl->setValue(editable ? repeats : 1.0f);
                 }
-                mTexRepeat->setTentative(LLSD(repeats_tentative));
-                mTexRepeat->setEnabled(has_material && !identical_planar_texgen && enabled);
+                repeats_spin_ctrl->setTentative(LLSD(repeats_tentative));
+                repeats_spin_ctrl->setEnabled(!identical_planar_texgen && enabled);
             }
         }
 
@@ -1803,6 +1914,7 @@ void LLPanelFace::updateUI(bool force_set_values /*false*/)
         }
         mLabelColorTransp->setEnabled(false);
         mTexRepeat->setEnabled(false);
+        mPBRRepeat->setEnabled(false);
         mLabelTexGen->setEnabled(false);
         mLabelShininess->setEnabled(false);
         mLabelBumpiness->setEnabled(false);
@@ -1998,6 +2110,7 @@ void LLPanelFace::updateVisibilityGLTF(LLViewerObject* objectp /*= nullptr */)
     mPBRRotate->setVisible(show_pbr);
     mPBROffsetU->setVisible(show_pbr);
     mPBROffsetV->setVisible(show_pbr);
+    mPBRRepeat->setVisible(show_pbr);
 }
 
 void LLPanelFace::updateCopyTexButton()
@@ -2092,7 +2205,7 @@ void LLPanelFace::refreshMedia()
 
 
     // check if all faces have media(or, all dont have media)
-    LLFloaterMediaSettings::getInstance()->mIdenticalHasMediaInfo = selected_objects->getSelectedTEValue(&func, bool_has_media);
+    bool identical_has_media_info = selected_objects->getSelectedTEValue(&func, bool_has_media);
 
     const LLMediaEntry default_media_data;
 
@@ -2114,7 +2227,8 @@ void LLPanelFace::refreshMedia()
     } func_media_data(default_media_data);
 
     LLMediaEntry media_data_get;
-    LLFloaterMediaSettings::getInstance()->mMultipleMedia = !(selected_objects->getSelectedTEValue(&func_media_data, media_data_get));
+    bool multiple_media = !(selected_objects->getSelectedTEValue(&func_media_data, media_data_get));
+    bool multiple_valid_media = false;
 
     std::string multi_media_info_str = LLTrans::getString("Multiple Media");
     std::string media_title = "";
@@ -2123,12 +2237,12 @@ void LLPanelFace::refreshMedia()
 
     mAddMedia->setEnabled(editable);
     // IF all the faces have media (or all dont have media)
-    if (LLFloaterMediaSettings::getInstance()->mIdenticalHasMediaInfo)
+    if (identical_has_media_info)
     {
         // TODO: get media title and set it.
         mTitleMediaText->clear();
         // if identical is set, all faces are same (whether all empty or has the same media)
-        if (!(LLFloaterMediaSettings::getInstance()->mMultipleMedia))
+        if (!multiple_media)
         {
             // Media data is valid
             if (media_data_get != default_media_data)
@@ -2149,9 +2263,9 @@ void LLPanelFace::refreshMedia()
     else // not all face has media but at least one does.
     {
         // seleted faces have not identical value
-        LLFloaterMediaSettings::getInstance()->mMultipleValidMedia = selected_objects->isMultipleTEValue(&func_media_data, default_media_data);
+        multiple_valid_media = selected_objects->isMultipleTEValue(&func_media_data, default_media_data);
 
-        if (LLFloaterMediaSettings::getInstance()->mMultipleValidMedia)
+        if (multiple_valid_media)
         {
             media_title = multi_media_info_str;
         }
@@ -2188,7 +2302,7 @@ void LLPanelFace::refreshMedia()
     // load values for media settings
     updateMediaSettings();
 
-    LLFloaterMediaSettings::initValues(mMediaSettings, editable);
+    LLFloaterMediaSettings::initValues(mMediaSettings, editable, identical_has_media_info, multiple_media, multiple_valid_media);
 }
 
 void LLPanelFace::unloadMedia()
@@ -3261,6 +3375,7 @@ void LLPanelFace::onSelectNormalTexture(const LLSD& data)
 // TODO: test if there is media on the item and only allow editing if present
 void LLPanelFace::onClickBtnEditMedia()
 {
+    LLFloaterMediaSettings::getInstance(); // make sure floater we are about to open exists before refreshMedia
     refreshMedia();
     LLFloaterReg::showInstance("media_settings");
 }
@@ -3279,6 +3394,7 @@ void LLPanelFace::onClickBtnAddMedia()
     // check if multiple faces are selected
     if (LLSelectMgr::getInstance()->getSelection()->isMultipleTESelected())
     {
+        LLFloaterMediaSettings::getInstance(); // make sure floater we are about to open exists before refreshMedia
         refreshMedia();
         LLNotificationsUtil::add("MultipleFacesSelected", LLSD(), LLSD(), multipleFacesSelectedConfirm);
     }
@@ -3648,18 +3764,8 @@ void LLPanelFace::onCommitRepeatsPerMeter()
     if (gSavedSettings.getBOOL("SyncMaterialSettings"))
     {
         LLSelectMgr::getInstance()->selectionTexScaleAutofit(repeats_per_meter);
-
-        mBumpyScaleU->setValue(obj_scale_s * repeats_per_meter);
-        mBumpyScaleV->setValue(obj_scale_t * repeats_per_meter);
-
-        LLSelectedTEMaterial::setNormalRepeatX(this, obj_scale_s * repeats_per_meter);
-        LLSelectedTEMaterial::setNormalRepeatY(this, obj_scale_t * repeats_per_meter);
-
-        mShinyScaleU->setValue(obj_scale_s * repeats_per_meter);
-        mShinyScaleV->setValue(obj_scale_t * repeats_per_meter);
-
-        LLSelectedTEMaterial::setSpecularRepeatX(this, obj_scale_s * repeats_per_meter);
-        LLSelectedTEMaterial::setSpecularRepeatY(this, obj_scale_t * repeats_per_meter);
+        LLSelectedTEMaterial::selectionNormalScaleAutofit(this, repeats_per_meter);
+        LLSelectedTEMaterial::selectionSpecularScaleAutofit(this, repeats_per_meter);
     }
     else
     {
@@ -3670,18 +3776,10 @@ void LLPanelFace::onCommitRepeatsPerMeter()
             LLSelectMgr::getInstance()->selectionTexScaleAutofit(repeats_per_meter);
             break;
         case MATTYPE_NORMAL:
-            mBumpyScaleU->setValue(obj_scale_s * repeats_per_meter);
-            mBumpyScaleV->setValue(obj_scale_t * repeats_per_meter);
-
-            LLSelectedTEMaterial::setNormalRepeatX(this, obj_scale_s * repeats_per_meter);
-            LLSelectedTEMaterial::setNormalRepeatY(this, obj_scale_t * repeats_per_meter);
+            LLSelectedTEMaterial::selectionNormalScaleAutofit(this, repeats_per_meter);
             break;
         case MATTYPE_SPECULAR:
-            mBumpyScaleU->setValue(obj_scale_s * repeats_per_meter);
-            mBumpyScaleV->setValue(obj_scale_t * repeats_per_meter);
-
-            LLSelectedTEMaterial::setSpecularRepeatX(this, obj_scale_s * repeats_per_meter);
-            LLSelectedTEMaterial::setSpecularRepeatY(this, obj_scale_t * repeats_per_meter);
+            LLSelectedTEMaterial::selectionSpecularScaleAutofit(this, repeats_per_meter);
             break;
         default:
             llassert(false);
@@ -3692,6 +3790,21 @@ void LLPanelFace::onCommitRepeatsPerMeter()
     updateUI(true);
 }
 
+// Commit the number of GLTF repeats per meter
+void LLPanelFace::onCommitGLTFRepeatsPerMeter()
+{
+    F32 repeats_per_meter = (F32)mPBRRepeat->getValue().asReal();
+
+    LLGLTFMaterial::TextureInfo material_type = getPBRTextureInfo();
+    updateGLTFTextureTransformWithScale(material_type, [&](LLGLTFMaterial::TextureTransform* new_transform, F32 scale_s, F32 scale_t)
+    {
+        new_transform->mScale.mV[VX] = scale_s * repeats_per_meter;
+        new_transform->mScale.mV[VY] = scale_t * repeats_per_meter;
+    });
+
+    updateUI(true);
+}
+
 struct LLPanelFaceSetMediaFunctor : public LLSelectedTEFunctor
 {
     virtual bool apply(LLViewerObject* object, S32 te)
@@ -4791,6 +4904,29 @@ void LLPanelFace::updateGLTFTextureTransform(std::function<void(LLGLTFMaterial::
     }
 }
 
+void LLPanelFace::updateGLTFTextureTransformWithScale(const LLGLTFMaterial::TextureInfo texture_info, std::function<void(LLGLTFMaterial::TextureTransform*, const F32, const F32)> edit)
+{
+    if (texture_info == LLGLTFMaterial::GLTF_TEXTURE_INFO_COUNT)
+    {
+        updateSelectedGLTFMaterialsWithScale([&](LLGLTFMaterial* new_override, const F32 scale_s, const F32 scale_t)
+        {
+            for (U32 i = 0; i < LLGLTFMaterial::GLTF_TEXTURE_INFO_COUNT; ++i)
+            {
+                LLGLTFMaterial::TextureTransform& new_transform = new_override->mTextureTransform[(LLGLTFMaterial::TextureInfo)i];
+                edit(&new_transform, scale_s, scale_t);
+            }
+        });
+    }
+    else
+    {
+        updateSelectedGLTFMaterialsWithScale([&](LLGLTFMaterial* new_override, const F32 scale_s, const F32 scale_t)
+        {
+            LLGLTFMaterial::TextureTransform& new_transform = new_override->mTextureTransform[texture_info];
+            edit(&new_transform, scale_s, scale_t);
+        });
+    }
+}
+
 void LLPanelFace::setMaterialOverridesFromSelection()
 {
     const LLGLTFMaterial::TextureInfo texture_info = getPBRTextureInfo();
@@ -4866,8 +5002,9 @@ void LLPanelFace::setMaterialOverridesFromSelection()
         }
     }
 
-    mPBRScaleU->setValue(transform.mScale[VX]);
-    mPBRScaleV->setValue(transform.mScale[VY]);
+    // Force set scales just in case they were set by repeats per meter and their spinner is focused
+    mPBRScaleU->forceSetValue(transform.mScale[VX]);
+    mPBRScaleV->forceSetValue(transform.mScale[VY]);
     mPBRRotate->setValue(transform.mRotation * RAD_TO_DEG);
     mPBROffsetU->setValue(transform.mOffset[VX]);
     mPBROffsetV->setValue(transform.mOffset[VY]);
@@ -4877,6 +5014,12 @@ void LLPanelFace::setMaterialOverridesFromSelection()
     mPBRRotate->setTentative(!rotation_same);
     mPBROffsetU->setTentative(!offset_u_same);
     mPBROffsetV->setTentative(!offset_v_same);
+
+    F32 repeats = 1.f;
+    bool identical = false;
+    getSelectedGLTFMaterialMaxRepeats(getPBRDropChannel(), repeats, identical);
+    mPBRRepeat->forceSetValue(repeats);
+    mPBRRepeat->setTentative(!identical || !scale_u_same || !scale_v_same);
 }
 
 void LLPanelFace::Selection::connect()
@@ -5370,6 +5513,62 @@ void LLPanelFace::LLSelectedTEMaterial::getCurrentDiffuseAlphaMode(U8& diffuse_a
     identical = LLSelectMgr::getInstance()->getSelection()->getSelectedTEValue( &get_diff_mode, diffuse_alpha_mode);
 }
 
+void LLPanelFace::LLSelectedTEMaterial::selectionNormalScaleAutofit(LLPanelFace* panel_face, F32 repeats_per_meter)
+{
+    struct f : public LLSelectedTEFunctor
+    {
+        LLPanelFace* mFacePanel;
+        F32 mRepeatsPerMeter;
+        f(LLPanelFace* face_panel, const F32& repeats_per_meter) : mFacePanel(face_panel), mRepeatsPerMeter(repeats_per_meter) {}
+        bool apply(LLViewerObject* object, S32 te)
+        {
+            if (object->permModify())
+            {
+                // Compute S,T to axis mapping
+                U32 s_axis, t_axis;
+                if (!LLPrimitive::getTESTAxes(te, &s_axis, &t_axis))
+                    return true;
+
+                F32 new_s = object->getScale().mV[s_axis] * mRepeatsPerMeter;
+                F32 new_t = object->getScale().mV[t_axis] * mRepeatsPerMeter;
+
+                setNormalRepeatX(mFacePanel, new_s, te);
+                setNormalRepeatY(mFacePanel, new_t, te);
+            }
+            return true;
+        }
+    } setfunc(panel_face, repeats_per_meter);
+    LLSelectMgr::getInstance()->getSelection()->applyToTEs(&setfunc);
+}
+
+void LLPanelFace::LLSelectedTEMaterial::selectionSpecularScaleAutofit(LLPanelFace* panel_face, F32 repeats_per_meter)
+{
+    struct f : public LLSelectedTEFunctor
+    {
+        LLPanelFace* mFacePanel;
+        F32 mRepeatsPerMeter;
+        f(LLPanelFace* face_panel, const F32& repeats_per_meter) : mFacePanel(face_panel), mRepeatsPerMeter(repeats_per_meter) {}
+        bool apply(LLViewerObject* object, S32 te)
+        {
+            if (object->permModify())
+            {
+                // Compute S,T to axis mapping
+                U32 s_axis, t_axis;
+                if (!LLPrimitive::getTESTAxes(te, &s_axis, &t_axis))
+                    return true;
+
+                F32 new_s = object->getScale().mV[s_axis] * mRepeatsPerMeter;
+                F32 new_t = object->getScale().mV[t_axis] * mRepeatsPerMeter;
+
+                setSpecularRepeatX(mFacePanel, new_s, te);
+                setSpecularRepeatY(mFacePanel, new_t, te);
+            }
+            return true;
+        }
+    } setfunc(panel_face, repeats_per_meter);
+    LLSelectMgr::getInstance()->getSelection()->applyToTEs(&setfunc);
+}
+
 void LLPanelFace::LLSelectedTE::getObjectScaleS(F32& scale_s, bool& identical)
 {
     struct LLSelectedTEGetObjectScaleS : public LLSelectedTEGetFunctor<F32>
diff --git a/indra/newview/llpanelface.h b/indra/newview/llpanelface.h
index b59f7434af..8a8460204c 100644
--- a/indra/newview/llpanelface.h
+++ b/indra/newview/llpanelface.h
@@ -250,6 +250,7 @@ protected:
     void onCommitGLTFRotation();
     void onCommitGLTFTextureOffsetU();
     void onCommitGLTFTextureOffsetV();
+    void onCommitGLTFRepeatsPerMeter();
 
     void onClickAutoFix();
     void onAlignTexture();
@@ -361,6 +362,7 @@ private:
     LLButton* mDelMedia { nullptr };
     LLSpinCtrl* mPBRScaleU { nullptr };
     LLSpinCtrl* mPBRScaleV { nullptr };
+    LLSpinCtrl* mPBRRepeat { nullptr };
     LLSpinCtrl* mPBRRotate { nullptr };
     LLSpinCtrl* mPBROffsetU { nullptr };
     LLSpinCtrl* mPBROffsetV { nullptr };
@@ -554,7 +556,9 @@ private:
     void updateVisibilityGLTF(LLViewerObject* objectp = nullptr);
 
     void updateSelectedGLTFMaterials(std::function<void(LLGLTFMaterial*)> func);
+    void updateSelectedGLTFMaterialsWithScale(std::function<void(LLGLTFMaterial*, const F32, const F32)> func);
     void updateGLTFTextureTransform(std::function<void(LLGLTFMaterial::TextureTransform*)> edit);
+    void updateGLTFTextureTransformWithScale(const LLGLTFMaterial::TextureInfo texture_info, std::function<void(LLGLTFMaterial::TextureTransform*, const F32, const F32)> edit);
 
     void setMaterialOverridesFromSelection();
 
@@ -649,6 +653,8 @@ public:
         static void getMaxSpecularRepeats(F32& repeats, bool& identical);
         static void getMaxNormalRepeats(F32& repeats, bool& identical);
         static void getCurrentDiffuseAlphaMode(U8& diffuse_alpha_mode, bool& identical, bool diffuse_texture_has_alpha);
+        static void selectionNormalScaleAutofit(LLPanelFace* panel_face, F32 repeats_per_meter);
+        static void selectionSpecularScaleAutofit(LLPanelFace* panel_face, F32 repeats_per_meter);
 
         DEF_GET_MAT_STATE(LLUUID, const LLUUID&, getNormalID, LLUUID::null, false, LLUUID::null);
         DEF_GET_MAT_STATE(LLUUID, const LLUUID&, getSpecularID, LLUUID::null, false, LLUUID::null);
diff --git a/indra/newview/llpanelgroupbulk.cpp b/indra/newview/llpanelgroupbulk.cpp
index 8032e207cd..81c0bd97be 100644
--- a/indra/newview/llpanelgroupbulk.cpp
+++ b/indra/newview/llpanelgroupbulk.cpp
@@ -54,17 +54,16 @@
 //////////////////////////////////////////////////////////////////////////
 LLPanelGroupBulkImpl::LLPanelGroupBulkImpl(const LLUUID& group_id) :
     mGroupID(group_id),
-    mBulkAgentList(NULL),
-    mOKButton(NULL),
+    mBulkAgentList(nullptr),
+    mOKButton(nullptr),
     mAddButton(nullptr),
-    mRemoveButton(NULL),
-    mGroupName(NULL),
+    mRemoveButton(nullptr),
+    mGroupName(nullptr),
     mLoadingText(),
     mTooManySelected(),
-    mCloseCallback(NULL),
-    mCloseCallbackUserData(NULL),
-    mAvatarNameCacheConnection(),
-    mRoleNames(NULL),
+    mCloseCallback(nullptr),
+    mCloseCallbackUserData(nullptr),
+    mRoleNames(nullptr),
     mOwnerWarning(),
     mAlreadyInGroup(),
     mConfirmedOwnerInvite(false),
@@ -74,10 +73,13 @@ LLPanelGroupBulkImpl::LLPanelGroupBulkImpl(const LLUUID& group_id) :
 
 LLPanelGroupBulkImpl::~LLPanelGroupBulkImpl()
 {
-    if (mAvatarNameCacheConnection.connected())
+    for (auto& [id, connection] : mAvatarNameCacheConnections)
     {
-        mAvatarNameCacheConnection.disconnect();
+        if (connection.connected())
+            connection.disconnect();
     }
+
+    mAvatarNameCacheConnections.clear();
 }
 
 void LLPanelGroupBulkImpl::callbackClickAdd(LLPanelGroupBulk* panelp)
@@ -124,43 +126,42 @@ void LLPanelGroupBulkImpl::callbackSelect(LLUICtrl* ctrl, void* userdata)
 
 void LLPanelGroupBulkImpl::addUsers(const uuid_vec_t& agent_ids)
 {
-    std::vector<std::string> names;
     for (const LLUUID& agent_id : agent_ids)
     {
-        LLAvatarName av_name;
-        if (LLAvatarNameCache::get(agent_id, &av_name))
+        if (LLAvatarName av_name; LLAvatarNameCache::get(agent_id, &av_name))
         {
             onAvatarNameCache(agent_id, av_name);
         }
         else
         {
-            if (mAvatarNameCacheConnection.connected())
+            if (auto found = mAvatarNameCacheConnections.find(agent_id); found != mAvatarNameCacheConnections.end())
             {
-                mAvatarNameCacheConnection.disconnect();
+                if (found->second.connected())
+                    found->second.disconnect();
+
+                mAvatarNameCacheConnections.erase(found);
             }
-            // *TODO : Add a callback per avatar name being fetched.
-            mAvatarNameCacheConnection = LLAvatarNameCache::get(agent_id,
+
+            mAvatarNameCacheConnections.try_emplace(agent_id, LLAvatarNameCache::get(agent_id,
                 [&](const LLUUID& agent_id, const LLAvatarName& av_name)
                 {
                     onAvatarNameCache(agent_id, av_name);
-                });
+                }));
         }
     }
 }
 
 void LLPanelGroupBulkImpl::onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name)
 {
-    if (mAvatarNameCacheConnection.connected())
+    if (auto found = mAvatarNameCacheConnections.find(agent_id); found != mAvatarNameCacheConnections.end())
     {
-        mAvatarNameCacheConnection.disconnect();
-    }
+        if (found->second.connected())
+            found->second.disconnect();
 
-    std::vector<std::string> names;
-    uuid_vec_t agent_ids;
-    agent_ids.push_back(agent_id);
-    names.push_back(av_name.getCompleteName());
+        mAvatarNameCacheConnections.erase(found);
+    }
 
-    addUsers(names, agent_ids);
+    addUsers({ av_name.getCompleteName() }, { agent_id });
 }
 
 void LLPanelGroupBulkImpl::handleRemove()
@@ -232,7 +233,7 @@ void LLPanelGroupBulkImpl::addUsers(const std::vector<std::string>& names, const
     }
 }
 
-void LLPanelGroupBulkImpl::setGroupName(std::string name)
+void LLPanelGroupBulkImpl::setGroupName(const std::string& name)
 {
     if (mGroupName)
     {
@@ -337,12 +338,7 @@ void LLPanelGroupBulk::updateGroupData()
 
 void LLPanelGroupBulk::addUserCallback(const LLUUID& id, const LLAvatarName& av_name)
 {
-    std::vector<std::string> names;
-    uuid_vec_t agent_ids;
-    agent_ids.push_back(id);
-    names.push_back(av_name.getAccountName());
-
-    mImplementation->addUsers(names, agent_ids);
+    mImplementation->addUsers({ av_name.getAccountName() }, { id });
 }
 
 void LLPanelGroupBulk::setCloseCallback(void (*close_callback)(void*), void* data)
diff --git a/indra/newview/llpanelgroupbulkimpl.h b/indra/newview/llpanelgroupbulkimpl.h
index 5515bd6d9a..f186ae5373 100644
--- a/indra/newview/llpanelgroupbulkimpl.h
+++ b/indra/newview/llpanelgroupbulkimpl.h
@@ -59,7 +59,7 @@ public:
     void handleSelection();
 
     void addUsers(const std::vector<std::string>& names, const uuid_vec_t& agent_ids);
-    void setGroupName(std::string name);
+    void setGroupName(const std::string& name);
 
 
 public:
@@ -84,7 +84,7 @@ public:
 
     void (*mCloseCallback)(void* data);
     void* mCloseCallbackUserData;
-    boost::signals2::connection mAvatarNameCacheConnection;
+    std::map<LLUUID, boost::signals2::connection> mAvatarNameCacheConnections;
 
     // The following are for the LLPanelGroupInvite subclass only.
     // These aren't needed for LLPanelGroupBulkBan, but if we have to add another
diff --git a/indra/newview/llpanellogin.cpp b/indra/newview/llpanellogin.cpp
index ed80c8b732..59aa375457 100644
--- a/indra/newview/llpanellogin.cpp
+++ b/indra/newview/llpanellogin.cpp
@@ -184,7 +184,6 @@ LLPanelLogin::LLPanelLogin(const LLRect &rect,
     mCallback(callback),
     mCallbackData(cb_data),
     mListener(new LLPanelLoginListener(this)),
-    mFirstLoginThisInstall(gSavedSettings.getBOOL("FirstLoginThisInstall")),
     mUsernameLength(0),
     mPasswordLength(0),
     mLocationLength(0),
@@ -203,14 +202,7 @@ LLPanelLogin::LLPanelLogin(const LLRect &rect,
         login_holder->addChild(this);
     }
 
-    if (mFirstLoginThisInstall)
-    {
-        buildFromFile( "panel_login_first.xml");
-    }
-    else
-    {
-        buildFromFile( "panel_login.xml");
-    }
+    buildFromFile("panel_login.xml");
 
     reshape(rect.getWidth(), rect.getHeight());
 
@@ -224,38 +216,36 @@ LLPanelLogin::LLPanelLogin(const LLRect &rect,
     sendChildToBack(getChildView("sign_up_text"));
 
     std::string current_grid = LLGridManager::getInstance()->getGrid();
-    if (!mFirstLoginThisInstall)
-    {
-        LLComboBox* favorites_combo = getChild<LLComboBox>("start_location_combo");
-        updateLocationSelectorsVisibility(); // separate so that it can be called from preferences
-        favorites_combo->setReturnCallback(boost::bind(&LLPanelLogin::onClickConnect, false));
-        favorites_combo->setFocusLostCallback(boost::bind(&LLPanelLogin::onLocationSLURL, this));
 
-        LLComboBox* server_choice_combo = getChild<LLComboBox>("server_combo");
-        server_choice_combo->setCommitCallback(boost::bind(&LLPanelLogin::onSelectServer, this));
+    LLComboBox* favorites_combo = getChild<LLComboBox>("start_location_combo");
+    updateLocationSelectorsVisibility(); // separate so that it can be called from preferences
+    favorites_combo->setReturnCallback(boost::bind(&LLPanelLogin::onClickConnect, false));
+    favorites_combo->setFocusLostCallback(boost::bind(&LLPanelLogin::onLocationSLURL, this));
+
+    LLComboBox* server_choice_combo = getChild<LLComboBox>("server_combo");
+    server_choice_combo->setCommitCallback(boost::bind(&LLPanelLogin::onSelectServer, this));
 
-        // Load all of the grids, sorted, and then add a bar and the current grid at the top
-        server_choice_combo->removeall();
+    // Load all of the grids, sorted, and then add a bar and the current grid at the top
+    server_choice_combo->removeall();
 
-        std::map<std::string, std::string> known_grids = LLGridManager::getInstance()->getKnownGrids();
-        for (std::map<std::string, std::string>::iterator grid_choice = known_grids.begin();
-            grid_choice != known_grids.end();
-            grid_choice++)
+    std::map<std::string, std::string> known_grids = LLGridManager::getInstance()->getKnownGrids();
+    for (std::map<std::string, std::string>::iterator grid_choice = known_grids.begin();
+        grid_choice != known_grids.end();
+        grid_choice++)
+    {
+        if (!grid_choice->first.empty() && current_grid != grid_choice->first)
         {
-            if (!grid_choice->first.empty() && current_grid != grid_choice->first)
-            {
-                LL_DEBUGS("AppInit") << "adding " << grid_choice->first << LL_ENDL;
-                server_choice_combo->add(grid_choice->second, grid_choice->first);
-            }
+            LL_DEBUGS("AppInit") << "adding " << grid_choice->first << LL_ENDL;
+            server_choice_combo->add(grid_choice->second, grid_choice->first);
         }
-        server_choice_combo->sortByName();
-
-        LL_DEBUGS("AppInit") << "adding current " << current_grid << LL_ENDL;
-        server_choice_combo->add(LLGridManager::getInstance()->getGridLabel(),
-            current_grid,
-            ADD_TOP);
-        server_choice_combo->selectFirstItem();
     }
+    server_choice_combo->sortByName();
+
+    LL_DEBUGS("AppInit") << "adding current " << current_grid << LL_ENDL;
+    server_choice_combo->add(LLGridManager::getInstance()->getGridLabel(),
+        current_grid,
+        ADD_TOP);
+    server_choice_combo->selectFirstItem();
 
     LLSLURL start_slurl(LLStartUp::getStartSLURL());
     // The StartSLURL might have been set either by an explicit command-line
@@ -331,15 +321,6 @@ LLPanelLogin::LLPanelLogin(const LLRect &rect,
 
 void LLPanelLogin::addFavoritesToStartLocation()
 {
-    if (mFirstLoginThisInstall)
-    {
-        // first login panel has no favorites, just update name length and buttons
-        std::string user_defined_name = getChild<LLComboBox>("username_combo")->getSimple();
-        mUsernameLength = static_cast<unsigned int>(user_defined_name.length());
-        updateLoginButtons();
-        return;
-    }
-
     // Clear the combo.
     LLComboBox* combo = getChild<LLComboBox>("start_location_combo");
     if (!combo) return;
@@ -559,16 +540,9 @@ void LLPanelLogin::resetFields()
         // function is used to reset list in case of changes by external sources
         return;
     }
-    if (sInstance->mFirstLoginThisInstall)
-    {
-        // no list to populate
-        LL_WARNS() << "Shouldn't happen, user should have no ability to modify list on first install" << LL_ENDL;
-    }
-    else
-    {
-        LLPointer<LLCredential> cred = gSecAPIHandler->loadCredential(LLGridManager::getInstance()->getGrid());
-        sInstance->populateUserList(cred);
-    }
+
+    LLPointer<LLCredential> cred = gSecAPIHandler->loadCredential(LLGridManager::getInstance()->getGrid());
+    sInstance->populateUserList(cred);
 }
 
 // static
@@ -586,7 +560,6 @@ void LLPanelLogin::setFields(LLPointer<LLCredential> credential)
 
     if(identifier.has("type") && (std::string)identifier["type"] == "agent")
     {
-        // not nessesary for panel_login.xml, needed for panel_login_first.xml
         std::string firstname = identifier["first_name"].asString();
         std::string lastname = identifier["last_name"].asString();
         std::string login_id = firstname;
@@ -1081,8 +1054,7 @@ void LLPanelLogin::onRememberUserCheck(void*)
         LLComboBox* user_combo(sInstance->getChild<LLComboBox>("username_combo"));
 
         bool remember = remember_name->getValue().asBoolean();
-        if (!sInstance->mFirstLoginThisInstall
-            && user_combo->getCurrentIndex() != -1
+        if (user_combo->getCurrentIndex() != -1
             && !remember)
         {
             remember = true;
@@ -1197,17 +1169,14 @@ void LLPanelLogin::updateLoginButtons()
 
     login_btn->setEnabled(mUsernameLength != 0 && mPasswordLength != 0);
 
-    if (!mFirstLoginThisInstall)
+    LLComboBox* user_combo = getChild<LLComboBox>("username_combo");
+    LLCheckBoxCtrl* remember_name = getChild<LLCheckBoxCtrl>("remember_name");
+    if (user_combo->getCurrentIndex() != -1)
     {
-        LLComboBox* user_combo = getChild<LLComboBox>("username_combo");
-        LLCheckBoxCtrl* remember_name = getChild<LLCheckBoxCtrl>("remember_name");
-        if (user_combo->getCurrentIndex() != -1)
-        {
-            remember_name->setValue(true);
-            LLCheckBoxCtrl* remember_pass = getChild<LLCheckBoxCtrl>("remember_password");
-            remember_pass->setEnabled(true);
-        } // Note: might be good idea to do "else remember_name->setValue(mRememberedState)" but it might behave 'weird' to user
-    }
+        remember_name->setValue(true);
+        LLCheckBoxCtrl* remember_pass = getChild<LLCheckBoxCtrl>("remember_password");
+        remember_pass->setEnabled(true);
+    } // Note: might be good idea to do "else remember_name->setValue(mRememberedState)" but it might behave 'weird' to user
 }
 
 void LLPanelLogin::populateUserList(LLPointer<LLCredential> credential)
diff --git a/indra/newview/llpanellogin.h b/indra/newview/llpanellogin.h
index a1bf25fb05..1259bf26d6 100644
--- a/indra/newview/llpanellogin.h
+++ b/indra/newview/llpanellogin.h
@@ -119,7 +119,6 @@ private:
 
     static LLPanelLogin* sInstance;
     static bool     sCapslockDidNotification;
-    bool            mFirstLoginThisInstall;
 
     static bool sCredentialSet;
 
diff --git a/indra/newview/llpanelmaininventory.cpp b/indra/newview/llpanelmaininventory.cpp
index 3083bffdd4..ad7aa57842 100644
--- a/indra/newview/llpanelmaininventory.cpp
+++ b/indra/newview/llpanelmaininventory.cpp
@@ -79,9 +79,9 @@ static LLPanelInjector<LLPanelMainInventory> t_inventory("panel_main_inventory")
 class LLFloaterInventoryFinder : public LLFloater
 {
 public:
-    LLFloaterInventoryFinder( LLPanelMainInventory* inventory_view);
-    virtual void draw();
-    /*virtual*/ bool    postBuild();
+    LLFloaterInventoryFinder(LLPanelMainInventory* inventory_view);
+    void draw();
+    bool postBuild();
     void changeFilter(LLInventoryFilter* filter);
     void updateElementsFromFilter();
     bool getCheckShowEmpty();
@@ -91,17 +91,35 @@ public:
     void onCreatorSelfFilterCommit();
     void onCreatorOtherFilterCommit();
 
-    static void onTimeAgo(LLUICtrl*, void *);
-    static void onCloseBtn(void* user_data);
-    static void selectAllTypes(void* user_data);
-    static void selectNoTypes(void* user_data);
+    void onTimeAgo();
+    void onCloseBtn();
+    void selectAllTypes();
+    void selectNoTypes();
 private:
-    LLPanelMainInventory*   mPanelMainInventory;
-    LLSpinCtrl*         mSpinSinceDays;
-    LLSpinCtrl*         mSpinSinceHours;
-    LLCheckBoxCtrl*     mCreatorSelf;
-    LLCheckBoxCtrl*     mCreatorOthers;
-    LLInventoryFilter*  mFilter;
+    LLPanelMainInventory*   mPanelMainInventory{ nullptr };
+    LLSpinCtrl*         mSpinSinceDays{ nullptr };
+    LLSpinCtrl*         mSpinSinceHours{ nullptr };
+    LLCheckBoxCtrl*     mCreatorSelf{ nullptr };
+    LLCheckBoxCtrl*     mCreatorOthers{ nullptr };
+    LLInventoryFilter*  mFilter{ nullptr };
+
+    LLCheckBoxCtrl* mCheckAnimation{ nullptr };
+    LLCheckBoxCtrl* mCheckCallingCard{ nullptr };
+    LLCheckBoxCtrl* mCheckClothing{ nullptr };
+    LLCheckBoxCtrl* mCheckGesture{ nullptr };
+    LLCheckBoxCtrl* mCheckLandmark{ nullptr };
+    LLCheckBoxCtrl* mCheckMaterial{ nullptr };
+    LLCheckBoxCtrl* mCheckNotecard{ nullptr };
+    LLCheckBoxCtrl* mCheckObject{ nullptr };
+    LLCheckBoxCtrl* mCheckScript{ nullptr };
+    LLCheckBoxCtrl* mCheckSounds{ nullptr };
+    LLCheckBoxCtrl* mCheckTexture{ nullptr };
+    LLCheckBoxCtrl* mCheckSnapshot{ nullptr };
+    LLCheckBoxCtrl* mCheckSettings{ nullptr };
+    LLCheckBoxCtrl* mCheckShowEmpty{ nullptr };
+    LLCheckBoxCtrl* mCheckSinceLogoff{ nullptr };
+
+    LLRadioGroup* mRadioDateSearchDirection{ nullptr };
 };
 
 ///----------------------------------------------------------------------------
@@ -747,7 +765,6 @@ bool LLPanelMainInventory::filtersVisible(void* user_data)
 void LLPanelMainInventory::onClearSearch()
 {
     bool initially_active = false;
-    LLFloater *finder = getFinder();
     if (mActivePanel && (getActivePanel() != mWornItemsPanel))
     {
         initially_active = mActivePanel->getFilter().isNotDefault();
@@ -756,9 +773,9 @@ void LLPanelMainInventory::onClearSearch()
         mActivePanel->setFilterLinks(LLInventoryFilter::FILTERLINK_INCLUDE_LINKS);
     }
 
-    if (finder)
+    if (LLFloaterInventoryFinder* finder = getFinder())
     {
-        LLFloaterInventoryFinder::selectAllTypes(finder);
+        finder->selectAllTypes();
     }
 
     // re-open folders that were initially open in case filter was active
@@ -1158,36 +1175,53 @@ bool LLFloaterInventoryFinder::postBuild()
     const LLRect& viewrect = mPanelMainInventory->getRect();
     setRect(LLRect(viewrect.mLeft - getRect().getWidth(), viewrect.mTop, viewrect.mLeft, viewrect.mTop - getRect().getHeight()));
 
-    childSetAction("All", selectAllTypes, this);
-    childSetAction("None", selectNoTypes, this);
+    childSetAction("All", [this](LLUICtrl*, const LLSD&) { selectAllTypes(); });
+    childSetAction("None", [this](LLUICtrl*, const LLSD&) { selectNoTypes(); });
 
     mSpinSinceHours = getChild<LLSpinCtrl>("spin_hours_ago");
-    childSetCommitCallback("spin_hours_ago", onTimeAgo, this);
+    mSpinSinceHours->setCommitCallback([this](LLUICtrl*, const LLSD&) { onTimeAgo(); });
 
     mSpinSinceDays = getChild<LLSpinCtrl>("spin_days_ago");
-    childSetCommitCallback("spin_days_ago", onTimeAgo, this);
+    mSpinSinceDays->setCommitCallback([this](LLUICtrl*, const LLSD&) { onTimeAgo(); });
 
     mCreatorSelf = getChild<LLCheckBoxCtrl>("check_created_by_me");
     mCreatorOthers = getChild<LLCheckBoxCtrl>("check_created_by_others");
     mCreatorSelf->setCommitCallback(boost::bind(&LLFloaterInventoryFinder::onCreatorSelfFilterCommit, this));
     mCreatorOthers->setCommitCallback(boost::bind(&LLFloaterInventoryFinder::onCreatorOtherFilterCommit, this));
 
-    childSetAction("Close", onCloseBtn, this);
+    mCheckAnimation = getChild<LLCheckBoxCtrl>("check_animation");
+    mCheckCallingCard = getChild<LLCheckBoxCtrl>("check_calling_card");
+    mCheckClothing = getChild<LLCheckBoxCtrl>("check_clothing");
+    mCheckGesture = getChild<LLCheckBoxCtrl>("check_gesture");
+    mCheckLandmark = getChild<LLCheckBoxCtrl>("check_landmark");
+    mCheckMaterial = getChild<LLCheckBoxCtrl>("check_material");
+    mCheckNotecard = getChild<LLCheckBoxCtrl>("check_notecard");
+    mCheckObject = getChild<LLCheckBoxCtrl>("check_object");
+    mCheckScript = getChild<LLCheckBoxCtrl>("check_script");
+    mCheckSounds = getChild<LLCheckBoxCtrl>("check_sound");
+    mCheckTexture = getChild<LLCheckBoxCtrl>("check_texture");
+    mCheckSnapshot = getChild<LLCheckBoxCtrl>("check_snapshot");
+    mCheckSettings = getChild<LLCheckBoxCtrl>("check_settings");
+    mCheckShowEmpty = getChild<LLCheckBoxCtrl>("check_show_empty");
+    mCheckSinceLogoff = getChild<LLCheckBoxCtrl>("check_since_logoff");
+
+    mRadioDateSearchDirection = getChild<LLRadioGroup>("date_search_direction");
+
+    childSetAction("Close", [this](LLUICtrl*, const LLSD&) { onCloseBtn(); });
 
     updateElementsFromFilter();
+
     return true;
 }
-void LLFloaterInventoryFinder::onTimeAgo(LLUICtrl *ctrl, void *user_data)
-{
-    LLFloaterInventoryFinder *self = (LLFloaterInventoryFinder *)user_data;
-    if (!self) return;
 
-    if ( self->mSpinSinceDays->get() ||  self->mSpinSinceHours->get() )
+void LLFloaterInventoryFinder::onTimeAgo()
+{
+    if (mSpinSinceDays->get() || mSpinSinceHours->get())
     {
-        self->getChild<LLUICtrl>("check_since_logoff")->setValue(false);
+        mCheckSinceLogoff->setValue(false);
 
-        U32 days = (U32)self->mSpinSinceDays->get();
-        U32 hours = (U32)self->mSpinSinceHours->get();
+        U32 days = (U32)mSpinSinceDays->get();
+        U32 hours = (U32)mSpinSinceHours->get();
         if (hours >= 24)
         {
             // Try to handle both cases of spinner clicking and text input in a sensible fashion as best as possible.
@@ -1203,11 +1237,11 @@ void LLFloaterInventoryFinder::onTimeAgo(LLUICtrl *ctrl, void *user_data)
                 days = hours / 24;
             }
             hours = (U32)hours % 24;
-            self->mSpinSinceHours->setFocus(false);
-            self->mSpinSinceDays->setFocus(false);
-            self->mSpinSinceDays->set((F32)days);
-            self->mSpinSinceHours->set((F32)hours);
-            self->mSpinSinceHours->setFocus(true);
+            mSpinSinceHours->setFocus(false);
+            mSpinSinceDays->setFocus(false);
+            mSpinSinceDays->set((F32)days);
+            mSpinSinceHours->set((F32)hours);
+            mSpinSinceHours->setFocus(true);
         }
     }
 }
@@ -1236,29 +1270,28 @@ void LLFloaterInventoryFinder::updateElementsFromFilter()
     // update the ui elements
     setTitle(mFilter->getName());
 
-    getChild<LLUICtrl>("check_animation")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_ANIMATION));
-
-    getChild<LLUICtrl>("check_calling_card")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_CALLINGCARD));
-    getChild<LLUICtrl>("check_clothing")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_WEARABLE));
-    getChild<LLUICtrl>("check_gesture")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_GESTURE));
-    getChild<LLUICtrl>("check_landmark")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_LANDMARK));
-    getChild<LLUICtrl>("check_material")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_MATERIAL));
-    getChild<LLUICtrl>("check_notecard")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_NOTECARD));
-    getChild<LLUICtrl>("check_object")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_OBJECT));
-    getChild<LLUICtrl>("check_script")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_LSL));
-    getChild<LLUICtrl>("check_sound")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_SOUND));
-    getChild<LLUICtrl>("check_texture")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_TEXTURE));
-    getChild<LLUICtrl>("check_snapshot")->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_SNAPSHOT));
-    getChild<LLUICtrl>("check_settings")->setValue((S32)(filter_types & 0x1 << LLInventoryType::IT_SETTINGS));
-    getChild<LLUICtrl>("check_show_empty")->setValue(show_folders == LLInventoryFilter::SHOW_ALL_FOLDERS);
-
-    getChild<LLUICtrl>("check_created_by_me")->setValue(show_created_by_me);
-    getChild<LLUICtrl>("check_created_by_others")->setValue(show_created_by_others);
-
-    getChild<LLUICtrl>("check_since_logoff")->setValue(mFilter->isSinceLogoff());
+    mCheckAnimation->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_ANIMATION));
+    mCheckCallingCard->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_CALLINGCARD));
+    mCheckClothing->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_WEARABLE));
+    mCheckGesture->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_GESTURE));
+    mCheckLandmark->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_LANDMARK));
+    mCheckMaterial->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_MATERIAL));
+    mCheckNotecard->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_NOTECARD));
+    mCheckObject->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_OBJECT));
+    mCheckScript->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_LSL));
+    mCheckSounds->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_SOUND));
+    mCheckTexture->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_TEXTURE));
+    mCheckSnapshot->setValue((S32) (filter_types & 0x1 << LLInventoryType::IT_SNAPSHOT));
+    mCheckSettings->setValue((S32)(filter_types & 0x1 << LLInventoryType::IT_SETTINGS));
+    mCheckShowEmpty->setValue(show_folders == LLInventoryFilter::SHOW_ALL_FOLDERS);
+
+    mCreatorSelf->setValue(show_created_by_me);
+    mCreatorOthers->setValue(show_created_by_others);
+
+    mCheckSinceLogoff->setValue(mFilter->isSinceLogoff());
     mSpinSinceHours->set((F32)(hours % 24));
     mSpinSinceDays->set((F32)(hours / 24));
-    getChild<LLRadioGroup>("date_search_direction")->setSelectedIndex(date_search_direction);
+    mRadioDateSearchDirection->setSelectedIndex(date_search_direction);
 }
 
 void LLFloaterInventoryFinder::draw()
@@ -1266,80 +1299,80 @@ void LLFloaterInventoryFinder::draw()
     U64 filter = 0xffffffffffffffffULL;
     bool filtered_by_all_types = true;
 
-    if (!getChild<LLUICtrl>("check_animation")->getValue())
+    if (!mCheckAnimation->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_ANIMATION);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_calling_card")->getValue())
+    if (!mCheckCallingCard->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_CALLINGCARD);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_clothing")->getValue())
+    if (!mCheckClothing->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_WEARABLE);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_gesture")->getValue())
+    if (!mCheckGesture->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_GESTURE);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_landmark")->getValue())
+    if (!mCheckLandmark->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_LANDMARK);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_material")->getValue())
+    if (!mCheckMaterial->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_MATERIAL);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_notecard")->getValue())
+    if (!mCheckNotecard->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_NOTECARD);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_object")->getValue())
+    if (!mCheckObject->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_OBJECT);
         filter &= ~(0x1 << LLInventoryType::IT_ATTACHMENT);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_script")->getValue())
+    if (!mCheckScript->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_LSL);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_sound")->getValue())
+    if (!mCheckSounds->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_SOUND);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_texture")->getValue())
+    if (!mCheckTexture->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_TEXTURE);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_snapshot")->getValue())
+    if (!mCheckSnapshot->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_SNAPSHOT);
         filtered_by_all_types = false;
     }
 
-    if (!getChild<LLUICtrl>("check_settings")->getValue())
+    if (!mCheckSettings->getValue())
     {
         filter &= ~(0x1 << LLInventoryType::IT_SETTINGS);
         filtered_by_all_types = false;
@@ -1457,65 +1490,56 @@ void LLFloaterInventoryFinder::onCreatorOtherFilterCommit()
 
 bool LLFloaterInventoryFinder::getCheckShowEmpty()
 {
-    return getChild<LLUICtrl>("check_show_empty")->getValue();
+    return mCheckShowEmpty->getValue();
 }
 
 bool LLFloaterInventoryFinder::getCheckSinceLogoff()
 {
-    return getChild<LLUICtrl>("check_since_logoff")->getValue();
+    return mCheckSinceLogoff->getValue();
 }
 
 U32 LLFloaterInventoryFinder::getDateSearchDirection()
 {
-    return  getChild<LLRadioGroup>("date_search_direction")->getSelectedIndex();
+    return mRadioDateSearchDirection->getSelectedIndex();
 }
 
-void LLFloaterInventoryFinder::onCloseBtn(void* user_data)
+void LLFloaterInventoryFinder::onCloseBtn()
 {
-    LLFloaterInventoryFinder* finderp = (LLFloaterInventoryFinder*)user_data;
-    finderp->closeFloater();
+    closeFloater();
 }
 
-// static
-void LLFloaterInventoryFinder::selectAllTypes(void* user_data)
-{
-    LLFloaterInventoryFinder* self = (LLFloaterInventoryFinder*)user_data;
-    if(!self) return;
-
-    self->getChild<LLUICtrl>("check_animation")->setValue(true);
-    self->getChild<LLUICtrl>("check_calling_card")->setValue(true);
-    self->getChild<LLUICtrl>("check_clothing")->setValue(true);
-    self->getChild<LLUICtrl>("check_gesture")->setValue(true);
-    self->getChild<LLUICtrl>("check_landmark")->setValue(true);
-    self->getChild<LLUICtrl>("check_material")->setValue(true);
-    self->getChild<LLUICtrl>("check_notecard")->setValue(true);
-    self->getChild<LLUICtrl>("check_object")->setValue(true);
-    self->getChild<LLUICtrl>("check_script")->setValue(true);
-    self->getChild<LLUICtrl>("check_sound")->setValue(true);
-    self->getChild<LLUICtrl>("check_texture")->setValue(true);
-    self->getChild<LLUICtrl>("check_snapshot")->setValue(true);
-    self->getChild<LLUICtrl>("check_settings")->setValue(true);
+void LLFloaterInventoryFinder::selectAllTypes()
+{
+    mCheckAnimation->setValue(true);
+    mCheckCallingCard->setValue(true);
+    mCheckClothing->setValue(true);
+    mCheckGesture->setValue(true);
+    mCheckLandmark->setValue(true);
+    mCheckMaterial->setValue(true);
+    mCheckNotecard->setValue(true);
+    mCheckObject->setValue(true);
+    mCheckScript->setValue(true);
+    mCheckSounds->setValue(true);
+    mCheckTexture->setValue(true);
+    mCheckSnapshot->setValue(true);
+    mCheckSettings->setValue(true);
 }
 
-//static
-void LLFloaterInventoryFinder::selectNoTypes(void* user_data)
-{
-    LLFloaterInventoryFinder* self = (LLFloaterInventoryFinder*)user_data;
-    if(!self) return;
-
-    self->getChild<LLUICtrl>("check_animation")->setValue(false);
-    self->getChild<LLUICtrl>("check_calling_card")->setValue(false);
-    self->getChild<LLUICtrl>("check_clothing")->setValue(false);
-    self->getChild<LLUICtrl>("check_gesture")->setValue(false);
-    self->getChild<LLUICtrl>("check_landmark")->setValue(false);
-    self->getChild<LLUICtrl>("check_material")->setValue(false);
-    self->getChild<LLUICtrl>("check_notecard")->setValue(false);
-    self->getChild<LLUICtrl>("check_object")->setValue(false);
-    self->getChild<LLUICtrl>("check_script")->setValue(false);
-    self->getChild<LLUICtrl>("check_sound")->setValue(false);
-    self->getChild<LLUICtrl>("check_texture")->setValue(false);
-    self->getChild<LLUICtrl>("check_snapshot")->setValue(false);
-    self->getChild<LLUICtrl>("check_settings")->setValue(false);
+void LLFloaterInventoryFinder::selectNoTypes()
+{
+    mCheckAnimation->setValue(false);
+    mCheckCallingCard->setValue(false);
+    mCheckClothing->setValue(false);
+    mCheckGesture->setValue(false);
+    mCheckLandmark->setValue(false);
+    mCheckMaterial->setValue(false);
+    mCheckNotecard->setValue(false);
+    mCheckObject->setValue(false);
+    mCheckScript->setValue(false);
+    mCheckSounds->setValue(false);
+    mCheckTexture->setValue(false);
+    mCheckSnapshot->setValue(false);
+    mCheckSettings->setValue(false);
 }
 
 //////////////////////////////////////////////////////////////////////////////////
diff --git a/indra/newview/llpanelpeople.cpp b/indra/newview/llpanelpeople.cpp
index 25672db318..33599357a3 100644
--- a/indra/newview/llpanelpeople.cpp
+++ b/indra/newview/llpanelpeople.cpp
@@ -843,6 +843,10 @@ void LLPanelPeople::updateNearbyList()
 
     LLWorld::getInstance()->getAvatars(&mNearbyList->getIDs(), &positions, gAgent.getPositionGlobal(), gSavedSettings.getF32("NearMeRange"));
     mNearbyList->setDirty();
+#ifdef LL_DISCORD
+    if (gSavedSettings.getBOOL("EnableDiscord"))
+        LLAppViewer::updateDiscordPartyMaxSize((S32)mNearbyList->getIDs().size());
+#endif
 
     DISTANCE_COMPARATOR.updateAvatarsPositions(positions, mNearbyList->getIDs());
     LLActiveSpeakerMgr::instance().update(true);
diff --git a/indra/newview/llpanelpeoplemenus.cpp b/indra/newview/llpanelpeoplemenus.cpp
index 0ef86235d5..62e726d21d 100644
--- a/indra/newview/llpanelpeoplemenus.cpp
+++ b/indra/newview/llpanelpeoplemenus.cpp
@@ -154,11 +154,15 @@ void PeopleContextMenu::buildContextMenu(class LLMenuGL& menu, U32 flags)
 
 bool PeopleContextMenu::enableContextMenuItem(const LLSD& userdata)
 {
+    std::string item = userdata.asString();
     if(gAgent.getID() == mUUIDs.front())
     {
+        if (item == std::string("can_zoom_in"))
+        {
+            return true;
+        }
         return false;
     }
-    std::string item = userdata.asString();
 
     // Note: can_block and can_delete is used only for one person selected menu
     // so we don't need to go over all uuids.
diff --git a/indra/newview/llpanelpermissions.cpp b/indra/newview/llpanelpermissions.cpp
index 891896076a..cbf5819fda 100644
--- a/indra/newview/llpanelpermissions.cpp
+++ b/indra/newview/llpanelpermissions.cpp
@@ -1177,6 +1177,7 @@ void LLPanelPermissions::onCommitName(LLUICtrl*, void* data)
         {
             LLPointer<LLViewerInventoryItem> new_item = new LLViewerInventoryItem(item);
             new_item->rename(tb->getText());
+            new_item->setComplete(true); // to not err at updateServer
             new_item->updateServer(false);
             gInventory.updateItem(new_item);
             gInventory.notifyObservers();
diff --git a/indra/newview/llpanelprofilepicks.cpp b/indra/newview/llpanelprofilepicks.cpp
index a87ef4f0f9..c9626bf9ea 100644
--- a/indra/newview/llpanelprofilepicks.cpp
+++ b/indra/newview/llpanelprofilepicks.cpp
@@ -248,6 +248,8 @@ void LLPanelProfilePicks::onClickNewBtn()
         select_tab(true).
         label(pick_panel->getPickName()));
     updateButtons();
+
+    pick_panel->addLocationChangedCallbacks();
 }
 
 void LLPanelProfilePicks::onClickDelete()
@@ -607,10 +609,12 @@ void LLPanelProfilePick::setAvatarId(const LLUUID& avatar_id)
     {
         mPickName->setEnabled(true);
         mPickDescription->setEnabled(true);
+        mSetCurrentLocationButton->setVisible(true);
     }
     else
     {
         mSnapshotCtrl->setEnabled(false);
+        mSetCurrentLocationButton->setVisible(false);
     }
 }
 
@@ -621,6 +625,7 @@ bool LLPanelProfilePick::postBuild()
     mSaveButton = getChild<LLButton>("save_changes_btn");
     mCreateButton = getChild<LLButton>("create_changes_btn");
     mCancelButton = getChild<LLButton>("cancel_changes_btn");
+    mSetCurrentLocationButton = getChild<LLButton>("set_to_curr_location_btn");
 
     mSnapshotCtrl = getChild<LLTextureCtrl>("pick_snapshot");
     mSnapshotCtrl->setCommitCallback(boost::bind(&LLPanelProfilePick::onSnapshotChanged, this));
@@ -633,6 +638,7 @@ bool LLPanelProfilePick::postBuild()
     mSaveButton->setCommitCallback(boost::bind(&LLPanelProfilePick::onClickSave, this));
     mCreateButton->setCommitCallback(boost::bind(&LLPanelProfilePick::onClickSave, this));
     mCancelButton->setCommitCallback(boost::bind(&LLPanelProfilePick::onClickCancel, this));
+    mSetCurrentLocationButton->setCommitCallback(boost::bind(&LLPanelProfilePick::onClickSetLocation, this));
 
     mPickName->setKeystrokeCallback(boost::bind(&LLPanelProfilePick::onPickChanged, this, _1), NULL);
     mPickName->setEnabled(false);
@@ -811,6 +817,32 @@ bool LLPanelProfilePick::isDirty() const
     return false;
 }
 
+void LLPanelProfilePick::onClickSetLocation()
+{
+    // Save location for later use.
+    setPosGlobal(gAgent.getPositionGlobal());
+
+    std::string parcel_name, region_name;
+
+    LLParcel* parcel = LLViewerParcelMgr::getInstance()->getAgentParcel();
+    if (parcel)
+    {
+        mParcelId = parcel->getID();
+        parcel_name = parcel->getName();
+    }
+
+    LLViewerRegion* region = gAgent.getRegion();
+    if (region)
+    {
+        region_name = region->getName();
+    }
+
+    setPickLocation(createLocationText(getLocationNotice(), parcel_name, region_name, getPosGlobal()));
+
+    mLocationChanged = true;
+    enableSaveButton(true);
+}
+
 void LLPanelProfilePick::onClickSave()
 {
     if (mRegionCallbackConnection.connected())
@@ -821,6 +853,10 @@ void LLPanelProfilePick::onClickSave()
     {
         mParcelCallbackConnection.disconnect();
     }
+    if (mLocationChanged)
+    {
+        onClickSetLocation();
+    }
     sendUpdate();
 
     mLocationChanged = false;
@@ -871,6 +907,12 @@ void LLPanelProfilePick::processParcelInfo(const LLParcelData& parcel_data)
     }
 }
 
+void LLPanelProfilePick::addLocationChangedCallbacks()
+{
+    mRegionCallbackConnection = gAgent.addRegionChangedCallback([this]() { onClickSetLocation(); });
+    mParcelCallbackConnection = gAgent.addParcelChangedCallback([this]() { onClickSetLocation(); });
+}
+
 void LLPanelProfilePick::setParcelID(const LLUUID& parcel_id)
 {
     if (mParcelId != parcel_id)
diff --git a/indra/newview/llpanelprofilepicks.h b/indra/newview/llpanelprofilepicks.h
index b4d3eb010e..847ac57cea 100644
--- a/indra/newview/llpanelprofilepicks.h
+++ b/indra/newview/llpanelprofilepicks.h
@@ -141,6 +141,8 @@ public:
     LLUUID getParcelID() const { return mParcelId; }
     void setErrorStatus(S32 status, const std::string& reason) override {};
 
+    void addLocationChangedCallbacks();
+
   protected:
 
     /**
@@ -203,6 +205,11 @@ public:
     void resetDirty() override;
 
     /**
+     * Callback for "Set Location" button click
+     */
+    void onClickSetLocation();
+
+    /**
      * Callback for "Save" and "Create" button click
      */
     void onClickSave();
@@ -224,6 +231,7 @@ protected:
     LLTextureCtrl*      mSnapshotCtrl;
     LLLineEditor*       mPickName;
     LLTextEditor*       mPickDescription;
+    LLButton*           mSetCurrentLocationButton;
     LLButton*           mSaveButton;
     LLButton*           mCreateButton;
     LLButton*           mCancelButton;
@@ -241,7 +249,7 @@ protected:
 
     bool mLocationChanged;
     bool mNewPick;
-    bool                mIsEditing;
+    bool mIsEditing;
 
     void onDescriptionFocusReceived();
 };
diff --git a/indra/newview/llreflectionmap.cpp b/indra/newview/llreflectionmap.cpp
index 910509928d..7f5076bd56 100644
--- a/indra/newview/llreflectionmap.cpp
+++ b/indra/newview/llreflectionmap.cpp
@@ -177,7 +177,7 @@ void LLReflectionMap::autoAdjustOrigin()
         mPriority = 1;
         mOrigin.load3(mViewerObject->getPositionAgent().mV);
 
-        if (mViewerObject->getVolume() && ((LLVOVolume*)mViewerObject)->getReflectionProbeIsBox())
+        if (mViewerObject->getVolume() && ((LLVOVolume*)mViewerObject.get())->getReflectionProbeIsBox())
         {
             LLVector3 s = mViewerObject->getScale().scaledVec(LLVector3(0.5f, 0.5f, 0.5f));
             mRadius = s.magVec();
diff --git a/indra/newview/llreflectionmap.h b/indra/newview/llreflectionmap.h
index d20bba7059..a818793550 100644
--- a/indra/newview/llreflectionmap.h
+++ b/indra/newview/llreflectionmap.h
@@ -124,7 +124,7 @@ public:
     LLSpatialGroup* mGroup = nullptr;
 
     // viewer object this probe is tracking (if any)
-    LLViewerObject* mViewerObject = nullptr;
+    LLPointer<LLViewerObject> mViewerObject = nullptr;
 
     // what priority should this probe have (higher is higher priority)
     // currently only 0 or 1
diff --git a/indra/newview/llreflectionmapmanager.cpp b/indra/newview/llreflectionmapmanager.cpp
index f2abc7b8b7..3391b7adf7 100644
--- a/indra/newview/llreflectionmapmanager.cpp
+++ b/indra/newview/llreflectionmapmanager.cpp
@@ -1146,7 +1146,7 @@ void LLReflectionMapManager::updateUniforms()
         {
             if (refmap->mViewerObject && refmap->mViewerObject->getVolume())
             { // have active manual probes live-track the object they're associated with
-                LLVOVolume* vobj = (LLVOVolume*)refmap->mViewerObject;
+                LLVOVolume* vobj = (LLVOVolume*)refmap->mViewerObject.get();
 
                 refmap->mOrigin.load3(vobj->getPositionAgent().mV);
 
diff --git a/indra/newview/llskinningutil.cpp b/indra/newview/llskinningutil.cpp
index afa4686d52..223fc2a8f5 100644
--- a/indra/newview/llskinningutil.cpp
+++ b/indra/newview/llskinningutil.cpp
@@ -135,6 +135,12 @@ void LLSkinningUtil::initSkinningMatrixPalette(
 
     initJointNums(const_cast<LLMeshSkinInfo*>(skin), avatar);
 
+    if (skin->mInvBindMatrix.size() < count )
+    {
+        // faulty model? mInvBindMatrix.size() should have matched mJointNames.size()
+        return;
+    }
+
     LLMatrix4a world[LL_CHARACTER_MAX_ANIMATED_JOINTS];
 
     for (S32 j = 0; j < count; ++j)
@@ -354,7 +360,8 @@ void LLSkinningUtil::updateRiggingInfo(const LLMeshSkinInfo* skin, LLVOAvatar *a
                             {
                                 rig_info_tab[joint_num].setIsRiggedTo(true);
 
-                                const LLMatrix4a& mat = skin->mBindPoseMatrix[joint_index];
+                                size_t bind_poses_size = skin->mBindPoseMatrix.size();
+                                const LLMatrix4a& mat = bind_poses_size > joint_index ? skin->mBindPoseMatrix[joint_index] : LLMatrix4a::identity();
                                 LLVector4a pos_joint_space;
 
                                 mat.affineTransform(pos, pos_joint_space);
diff --git a/indra/newview/llsky.h b/indra/newview/llsky.h
index 32599dcee2..d06f181357 100644
--- a/indra/newview/llsky.h
+++ b/indra/newview/llsky.h
@@ -28,7 +28,6 @@
 #define LL_LLSKY_H
 
 #include "llmath.h"
-//#include "vmath.h"
 #include "v3math.h"
 #include "v4math.h"
 #include "v4color.h"
diff --git a/indra/newview/llspeakers.cpp b/indra/newview/llspeakers.cpp
index 4956c188fb..b49c0119ed 100644
--- a/indra/newview/llspeakers.cpp
+++ b/indra/newview/llspeakers.cpp
@@ -1026,6 +1026,10 @@ void LLLocalSpeakerMgr::updateSpeakerList()
     uuid_vec_t avatar_ids;
     std::vector<LLVector3d> positions;
     LLWorld::getInstance()->getAvatars(&avatar_ids, &positions, gAgent.getPositionGlobal(), CHAT_NORMAL_RADIUS);
+#ifdef LL_DISCORD
+    if (gSavedSettings.getBOOL("EnableDiscord"))
+        LLAppViewer::updateDiscordPartyCurrentSize((S32)avatar_ids.size());
+#endif
     for(U32 i=0; i<avatar_ids.size(); i++)
     {
         setSpeaker(avatar_ids[i]);
diff --git a/indra/newview/llsprite.h b/indra/newview/llsprite.h
index 44439bd30c..d6e8e37ec9 100644
--- a/indra/newview/llsprite.h
+++ b/indra/newview/llsprite.h
@@ -27,8 +27,6 @@
 #ifndef LL_LLSPRITE_H
 #define LL_LLSPRITE_H
 
-////#include "vmath.h"
-//#include "llmath.h"
 #include "v3math.h"
 #include "v4math.h"
 #include "v4color.h"
diff --git a/indra/newview/llstartup.cpp b/indra/newview/llstartup.cpp
index cc4f49c0b4..2409b71f00 100644
--- a/indra/newview/llstartup.cpp
+++ b/indra/newview/llstartup.cpp
@@ -724,6 +724,10 @@ bool idle_startup()
             LL_WARNS("AppInit") << "Unreliable timers detected (may be bad PCI chipset)!!" << LL_ENDL;
         }
 
+#ifdef LL_DISCORD
+        LLAppViewer::initDiscordSocial();
+#endif
+
         //
         // Log on to system
         //
@@ -2103,9 +2107,6 @@ bool idle_startup()
 
         do_startup_frame();
 
-        // We're successfully logged in.
-        gSavedSettings.setBOOL("FirstLoginThisInstall", false);
-
         LLFloaterReg::showInitialVisibleInstances();
 
         LLFloaterGridStatus::getInstance()->startGridStatusTimer();
@@ -2451,6 +2452,27 @@ bool idle_startup()
 
         LLPerfStats::StatsRecorder::setAutotuneInit();
 
+        // Display Avatar Welcome Pack the first time a user logs in
+        // (or clears their settings....)
+        if (gSavedSettings.getBOOL("FirstLoginThisInstall"))
+        {
+            LLFloater* avatar_welcome_pack_floater = LLFloaterReg::findInstance("avatar_welcome_pack");
+            if (avatar_welcome_pack_floater != nullptr)
+            {
+                // There is a (very - 1 in ~50 times) hard to repro bug where the login
+                // page is not hidden when the AWP floater is presented. This (agressive)
+                // approach to always close it seems like the best fix for now.
+                LLPanelLogin::closePanel();
+
+                avatar_welcome_pack_floater->setVisible(true);
+            }
+        }
+
+        //// We're successfully logged in.
+        // 2025-06 Moved lower down in the state machine so the Avatar Welcome Pack
+        // floater display can be triggered correctly.
+        gSavedSettings.setBOOL("FirstLoginThisInstall", false);
+
         return true;
     }
 
diff --git a/indra/newview/llstatusbar.cpp b/indra/newview/llstatusbar.cpp
index 8aa2058ae1..bb93e2e79e 100644
--- a/indra/newview/llstatusbar.cpp
+++ b/indra/newview/llstatusbar.cpp
@@ -114,6 +114,8 @@ LLStatusBar::LLStatusBar(const LLRect& rect)
     mBtnVolume(NULL),
     mBoxBalance(NULL),
     mBalance(0),
+    mBalanceClicked(false),
+    mObscureBalance(false),
     mHealth(100),
     mSquareMetersCredit(0),
     mSquareMetersCommitted(0),
@@ -125,20 +127,11 @@ LLStatusBar::LLStatusBar(const LLRect& rect)
     // status bar can possible overlay menus?
     setMouseOpaque(false);
 
-    mBalanceTimer = new LLFrameTimer();
-    mHealthTimer = new LLFrameTimer();
-
     buildFromFile("panel_status_bar.xml");
 }
 
 LLStatusBar::~LLStatusBar()
 {
-    delete mBalanceTimer;
-    mBalanceTimer = NULL;
-
-    delete mHealthTimer;
-    mHealthTimer = NULL;
-
     // LLView destructor cleans up children
 }
 
@@ -171,7 +164,8 @@ bool LLStatusBar::postBuild()
     getChild<LLUICtrl>("goShop")->setCommitCallback(boost::bind(&LLWeb::loadURL, gSavedSettings.getString("MarketplaceURL"), LLStringUtil::null, LLStringUtil::null));
 
     mBoxBalance = getChild<LLTextBox>("balance");
-    mBoxBalance->setClickedCallback( &LLStatusBar::onClickBalance, this );
+    mBoxBalance->setClickedCallback(&LLStatusBar::onClickRefreshBalance, this);
+    mBoxBalance->setDoubleClickCallback([this](LLUICtrl*, S32 x, S32 y, MASK mask) { onClickToggleBalance(); });
 
     mIconPresetsCamera = getChild<LLIconCtrl>( "presets_icon_camera" );
     mIconPresetsCamera->setMouseEnterCallback(boost::bind(&LLStatusBar::onMouseEnterPresetsCamera, this));
@@ -191,12 +185,14 @@ bool LLStatusBar::postBuild()
 
     gSavedSettings.getControl("MuteAudio")->getSignal()->connect(boost::bind(&LLStatusBar::onVolumeChanged, this, _2));
     gSavedSettings.getControl("EnableVoiceChat")->getSignal()->connect(boost::bind(&LLStatusBar::onVoiceChanged, this, _2));
+    gSavedSettings.getControl("ObscureBalanceInStatusBar")->getSignal()->connect(boost::bind(&LLStatusBar::onObscureBalanceChanged, this, _2));
 
     if (!gSavedSettings.getBOOL("EnableVoiceChat") && LLAppViewer::instance()->isSecondInstance())
     {
         // Indicate that second instance started without sound
         mBtnVolume->setImageUnselected(LLUI::getUIImage("VoiceMute_Off"));
     }
+    mObscureBalance = gSavedSettings.getBOOL("ObscureBalanceInStatusBar");
 
     // Adding Net Stat Graph
     S32 x = getRect().getWidth() - 2;
@@ -319,6 +315,12 @@ void LLStatusBar::refresh()
         mTextTime->setToolTip (dtStr);
     }
 
+    if (mBalanceClicked && mBalanceClickTimer.getElapsedTimeF32() > 1.f)
+    {
+        mBalanceClicked = false;
+        sendMoneyBalanceRequest();
+    }
+
     LLRect r;
     const S32 MENU_RIGHT = gMenuBarView->getRightmostMenuEdge();
 
@@ -384,9 +386,17 @@ void LLStatusBar::setBalance(S32 balance)
     std::string money_str = LLResMgr::getInstance()->getMonetaryString( balance );
 
     LLStringUtil::format_map_t string_args;
-    string_args["[AMT]"] = llformat("%s", money_str.c_str());
+    if (mObscureBalance)
+    {
+        string_args["[AMT]"] = "****";
+    }
+    else
+    {
+        string_args["[AMT]"] = llformat("%s", money_str.c_str());
+    }
     std::string label_str = getString("buycurrencylabel", string_args);
     mBoxBalance->setValue(label_str);
+    mBoxBalance->setToolTipArg(LLStringExplicit("[AMT]"), llformat("%s", money_str.c_str()));
 
     updateBalancePanelPosition();
 
@@ -406,8 +416,6 @@ void LLStatusBar::setBalance(S32 balance)
 
     if( balance != mBalance )
     {
-        mBalanceTimer->reset();
-        mBalanceTimer->setTimerExpirySec( ICON_TIMER_EXPIRY );
         mBalance = balance;
     }
 }
@@ -459,9 +467,6 @@ void LLStatusBar::setHealth(S32 health)
                 }
             }
         }
-
-        mHealthTimer->reset();
-        mHealthTimer->setTimerExpirySec( ICON_TIMER_EXPIRY );
     }
 
     mHealth = health;
@@ -621,13 +626,27 @@ static void onClickVolume(void* data)
 }
 
 //static
-void LLStatusBar::onClickBalance(void* )
+void LLStatusBar::onClickRefreshBalance(void* data)
 {
-    // Force a balance request message:
-    LLStatusBar::sendMoneyBalanceRequest();
+    LLStatusBar* status_bar = (LLStatusBar*)data;
+
+    if (!status_bar->mBalanceClicked)
+    {
+        // Schedule a balance request message:
+        status_bar->mBalanceClicked = true;
+        status_bar->mBalanceClickTimer.reset();
+    }
     // The refresh of the display (call to setBalance()) will be done by process_money_balance_reply()
 }
 
+void LLStatusBar::onClickToggleBalance()
+{
+    mObscureBalance = !mObscureBalance;
+    gSavedSettings.setBOOL("ObscureBalanceInStatusBar", mObscureBalance);
+    setBalance(mBalance);
+    mBalanceClicked = false; // supress click
+}
+
 //static
 void LLStatusBar::onClickMediaToggle(void* data)
 {
@@ -657,6 +676,12 @@ void LLStatusBar::onVoiceChanged(const LLSD& newvalue)
     refresh();
 }
 
+void LLStatusBar::onObscureBalanceChanged(const LLSD& newvalue)
+{
+    mObscureBalance = newvalue.asBoolean();
+    setBalance(mBalance);
+}
+
 void LLStatusBar::onUpdateFilterTerm()
 {
     LLWString searchValue = utf8str_to_wstring( mFilterEdit->getValue() );
diff --git a/indra/newview/llstatusbar.h b/indra/newview/llstatusbar.h
index 45cbda0ef1..a8fc621ff8 100644
--- a/indra/newview/llstatusbar.h
+++ b/indra/newview/llstatusbar.h
@@ -72,7 +72,8 @@ public:
     void        debitBalance(S32 debit);
     void        creditBalance(S32 credit);
 
-    // Request the latest currency balance from the server
+    // Request the latest currency balance from the server.
+    // Reply at process_money_balance_reply()
     static void sendMoneyBalanceRequest();
 
     void        setHealth(S32 percent);
@@ -102,6 +103,7 @@ private:
     void onClickBuyCurrency();
     void onVolumeChanged(const LLSD& newvalue);
     void onVoiceChanged(const LLSD& newvalue);
+    void onObscureBalanceChanged(const LLSD& newvalue);
 
     void onMouseEnterPresetsCamera();
     void onMouseEnterPresets();
@@ -109,7 +111,8 @@ private:
     void onMouseEnterNearbyMedia();
 
     static void onClickMediaToggle(void* data);
-    static void onClickBalance(void* data);
+    static void onClickRefreshBalance(void* data);
+    void onClickToggleBalance();
 
     LLSearchEditor *mFilterEdit;
     LLPanel *mSearchPanel;
@@ -135,11 +138,12 @@ private:
     LLFrameTimer    mClockUpdateTimer;
 
     S32             mBalance;
+    bool            mBalanceClicked;
+    bool            mObscureBalance;
+    LLTimer         mBalanceClickTimer;
     S32             mHealth;
     S32             mSquareMetersCredit;
     S32             mSquareMetersCommitted;
-    LLFrameTimer*   mBalanceTimer;
-    LLFrameTimer*   mHealthTimer;
     LLPanelPresetsCameraPulldown* mPanelPresetsCameraPulldown;
     LLPanelPresetsPulldown* mPanelPresetsPulldown;
     LLPanelVolumePulldown* mPanelVolumePulldown;
diff --git a/indra/newview/llsurface.h b/indra/newview/llsurface.h
index 10a104730b..fc72ab7db7 100644
--- a/indra/newview/llsurface.h
+++ b/indra/newview/llsurface.h
@@ -27,7 +27,6 @@
 #ifndef LL_LLSURFACE_H
 #define LL_LLSURFACE_H
 
-//#include "vmath.h"
 #include "v3math.h"
 #include "v3dmath.h"
 #include "v4math.h"
diff --git a/indra/newview/lltoolpie.cpp b/indra/newview/lltoolpie.cpp
index 8cdc2e94f4..0fd9faab35 100644
--- a/indra/newview/lltoolpie.cpp
+++ b/indra/newview/lltoolpie.cpp
@@ -72,6 +72,7 @@
 #include "llweb.h"
 #include "pipeline.h"   // setHighlightObject
 #include "lluiusage.h"
+#include "llcallingcard.h"
 
 extern bool gDebugClicks;
 
@@ -1501,6 +1502,136 @@ static void handle_click_action_play()
     }
 }
 
+bool LLToolPie::shouldAllowFirstMediaInteraction(const LLPickInfo& pick, bool moap_flag)
+{
+    // Early failure cases
+    if(!pick.getObject())
+    {
+        LL_WARNS() << "pick.getObject() is NULL" << LL_ENDL;
+        return false;
+    }
+
+    static LLCachedControl<S32> FirstClickPref(gSavedSettings, "MediaFirstClickInteract", 1);
+
+    // Special / early-exit cases first, then checks get more complex and needy as we go down
+    // Feature disabled
+    if(FirstClickPref == MEDIA_FIRST_CLICK_NONE)
+    {
+        LL_DEBUGS_ONCE() << "FirstClickPref == MEDIA_FIRST_CLICK_NONE" << LL_ENDL;
+        return false;
+    }
+    // Every check beyond this point requires PRIM_MEDIA_FIRST_CLICK_INTERACT to be TRUE
+    if(!moap_flag && !(FirstClickPref & MEDIA_FIRST_CLICK_BYPASS_MOAP_FLAG))
+    {
+        LL_DEBUGS_ONCE() << "PRIM_MEDIA_FIRST_CLICK_INTERACT not set" << LL_ENDL;
+        return false;
+    }
+    // Any object with PRIM_MEDIA_FIRST_CLICK_INTERACT set to TRUE
+    if((FirstClickPref & MEDIA_FIRST_CLICK_ANY) == MEDIA_FIRST_CLICK_ANY)
+    {
+        LL_DEBUGS_ONCE() << "FirstClickPref & MEDIA_FIRST_CLICK_ANY" << LL_ENDL;
+        return true;
+    }
+
+    // The following checks require some object information so we obtain that
+    LLPointer<LLViewerObject> object = pick.getObject();
+    if(object.isNull())
+    {
+        LL_WARNS() << "pick.getObject() is NULL" << LL_ENDL;
+        return false;
+    }
+
+    // HUD attachments
+    if((FirstClickPref & MEDIA_FIRST_CLICK_HUD) && object->isHUDAttachment())
+    {
+        LL_DEBUGS_ONCE() << "FirstClickPref & MEDIA_FIRST_CLICK_HUD" << LL_ENDL;
+        return true;
+    }
+
+    // Further object detail required beyond this point
+    LLPermissions* perms = LLSelectMgr::getInstance()->getHoverNode()->mPermissions;
+    if(perms == nullptr)
+    {
+        LL_WARNS() << "LLSelectMgr::getInstance()->getHoverNode()->mPermissions is NULL" << LL_ENDL;
+        return false;
+    }
+    LLUUID owner_id = perms->getOwner();
+    LLUUID group_id = perms->getGroup();
+    if(owner_id.isNull() && group_id.isNull())
+    {
+        LL_WARNS() << "Owner information was not reliably obtained" << LL_ENDL;
+        return false;
+    }
+
+    // Own objects
+    if((FirstClickPref & MEDIA_FIRST_CLICK_OWN) && owner_id == gAgent.getID())
+    {
+        LL_DEBUGS_ONCE() << "FirstClickPref & MEDIA_FIRST_CLICK_OWN" << LL_ENDL;
+        return true;
+    }
+
+    // Check if the object is owned by a friend of the agent
+    if(FirstClickPref & MEDIA_FIRST_CLICK_FRIEND)
+    {
+        if(LLAvatarTracker::instance().isBuddy(owner_id))
+        {
+            LL_DEBUGS_ONCE() << "FirstClickPref & MEDIA_FIRST_CLICK_FRIEND. id: " << owner_id << LL_ENDL;
+            return true;
+        }
+    }
+
+    // Check for objects set to or owned by the active group
+    if(FirstClickPref & MEDIA_FIRST_CLICK_GROUP)
+    {
+        if(gAgent.isInGroup(group_id) || gAgent.isInGroup(owner_id))
+        {
+            LL_DEBUGS_ONCE() << "FirstClickPref & MEDIA_FIRST_CLICK_GROUP. group_id:" << group_id << ", owner_id: " << owner_id << LL_ENDL;
+            return true;
+        }
+    }
+
+    // This check ensures that the following conditions are met:
+    // 1. The object is located in the same parcel as the agent.
+    // 2. One of the following is true:
+    //    a. The object is owned by the same group as the parcel.
+    //    b. The object is set to the same group as the parcel.
+    //    c. The object is owned by the same owner as the parcel.
+    // Conditions 2a and 2b are mutually exclusive, our check is the same for both.
+    if(FirstClickPref & MEDIA_FIRST_CLICK_LAND)
+    {
+        LLParcel* parcel = LLViewerParcelMgr::getInstance()->getAgentParcel();
+        if(parcel == nullptr)
+        {
+            LL_WARNS() << "LLViewerParcelMgr::getInstance()->getAgentParcel() is NULL" << LL_ENDL;
+            return false;
+        }
+
+        // Same parcel as the agent only
+        if(!LLViewerParcelMgr::getInstance()->inAgentParcel(object->getPositionGlobal()))
+        {
+            LL_WARNS_ONCE() << "Object is not in the same parcel as the agent" << LL_ENDL;
+            return false;
+        }
+
+        LLUUID parcel_owner = parcel->getOwnerID();
+        LLUUID parcel_group = parcel->getGroupID();
+
+        // The parcel owner and group can't both be null
+        if(parcel_owner.isNull() && parcel_group.isNull())
+        {
+            LL_WARNS() << "Parcel owner and group are both null" << LL_ENDL;
+            return false;
+        }
+
+        if(owner_id == parcel_owner || group_id == parcel_group)
+        {
+            LL_DEBUGS_ONCE() << "FirstClickPref & MEDIA_FIRST_CLICK_LAND. Parcel owner: " << parcel_owner << ", group_id:" << group_id << ", owner_id: " << owner_id << LL_ENDL;
+            return true;
+        }
+    }
+    return false;
+}
+
 bool LLToolPie::handleMediaClick(const LLPickInfo& pick)
 {
     //FIXME: how do we handle object in different parcel than us?
@@ -1535,6 +1666,16 @@ bool LLToolPie::handleMediaClick(const LLPickInfo& pick)
         {
             // It's okay to give this a null impl
             LLViewerMediaFocus::getInstance()->setFocusFace(pick.getObject(), pick.mObjectFace, media_impl, pick.mNormal);
+            if (shouldAllowFirstMediaInteraction(pick, mep->getFirstClickInteract()))
+            {
+                if (media_impl.notNull())
+                {
+                    media_impl->mouseDown(pick.mUVCoords, gKeyboard->currentMask(true));
+                    mMediaMouseCaptureID = mep->getMediaID();
+                    setMouseCapture(true);
+                    return true;
+                }
+            }
         }
         else
         {
@@ -1647,7 +1788,7 @@ bool LLToolPie::handleMediaHover(const LLPickInfo& pick)
             }
 
             // If this is the focused media face, send mouse move events.
-            if (LLViewerMediaFocus::getInstance()->isFocusedOnFace(objectp, pick.mObjectFace))
+            if (LLViewerMediaFocus::getInstance()->isFocusedOnFace(objectp, pick.mObjectFace) || (shouldAllowFirstMediaInteraction(pick, mep->getFirstClickInteract())))
             {
                 media_impl->mouseMove(pick.mUVCoords, gKeyboard->currentMask(true));
                 gViewerWindow->setCursor(media_impl->getLastSetCursor());
diff --git a/indra/newview/lltoolpie.h b/indra/newview/lltoolpie.h
index b3884a6bfc..ec54e0207d 100644
--- a/indra/newview/lltoolpie.h
+++ b/indra/newview/lltoolpie.h
@@ -89,6 +89,22 @@ private:
     void showVisualContextMenuEffect();
     ECursorType cursorFromObject(LLViewerObject* object);
 
+    enum MediaFirstClickTypes
+    {
+        MEDIA_FIRST_CLICK_NONE       = 0,         // Special case: Feature is disabled
+        MEDIA_FIRST_CLICK_HUD        = 1 << 0,    // 0b00000001 (1)
+        MEDIA_FIRST_CLICK_OWN        = 1 << 1,    // 0b00000010 (2)
+        MEDIA_FIRST_CLICK_FRIEND     = 1 << 2,    // 0b00000100 (4)
+        MEDIA_FIRST_CLICK_GROUP      = 1 << 3,    // 0b00001000 (8)
+        MEDIA_FIRST_CLICK_LAND       = 1 << 4,    // 0b00010000 (16)
+
+        // Covers any object with PRIM_MEDIA_FIRST_CLICK_INTERACT (combines all previous flags)
+        MEDIA_FIRST_CLICK_ANY        = (1 << 15) - 1, // 0b0111111111111111 (32767)
+
+        // Covers all media regardless of other rules or PRIM_MEDIA_FIRST_CLICK_INTERACT
+        MEDIA_FIRST_CLICK_BYPASS_MOAP_FLAG = 1 << 15  // 0b10000000000000000 (32768)
+    };
+    bool shouldAllowFirstMediaInteraction(const LLPickInfo& info, bool moap_flag);
     bool handleMediaClick(const LLPickInfo& info);
     bool handleMediaDblClick(const LLPickInfo& info);
     bool handleMediaHover(const LLPickInfo& info);
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 27718782ee..71830e0948 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -100,13 +100,13 @@
 extern LLPointer<LLViewerTexture> gStartTexture;
 extern bool gShiftFrame;
 
-LLPointer<LLViewerTexture> gDisconnectedImagep = NULL;
+LLPointer<LLViewerTexture> gDisconnectedImagep = nullptr;
 
 // used to toggle renderer back on after teleport
 bool         gTeleportDisplay = false;
 LLFrameTimer gTeleportDisplayTimer;
 LLFrameTimer gTeleportArrivalTimer;
-const F32       RESTORE_GL_TIME = 5.f;  // Wait this long while reloading textures before we raise the curtain
+constexpr F32 RESTORE_GL_TIME = 5.f;  // Wait this long while reloading textures before we raise the curtain
 
 bool gForceRenderLandFence = false;
 bool gDisplaySwapBuffers = false;
@@ -120,9 +120,9 @@ bool gSnapshotNoPost = false;
 bool gShaderProfileFrame = false;
 
 // This is how long the sim will try to teleport you before giving up.
-const F32 TELEPORT_EXPIRY = 15.0f;
+constexpr F32 TELEPORT_EXPIRY = 15.0f;
 // Additional time (in seconds) to wait per attachment
-const F32 TELEPORT_EXPIRY_PER_ATTACHMENT = 3.f;
+constexpr F32 TELEPORT_EXPIRY_PER_ATTACHMENT = 3.f;
 
 U32 gRecentFrameCount = 0; // number of 'recent' frames
 LLFrameTimer gRecentFPSTime;
@@ -130,8 +130,6 @@ LLFrameTimer gRecentMemoryTime;
 LLFrameTimer gAssetStorageLogTime;
 
 // Rendering stuff
-void pre_show_depth_buffer();
-void post_show_depth_buffer();
 void render_ui(F32 zoom_factor = 1.f, int subfield = 0);
 void swap();
 void render_hud_attachments();
@@ -212,7 +210,8 @@ void display_update_camera()
     F32 final_far = gAgentCamera.mDrawDistance;
     if (gCubeSnapshot)
     {
-        final_far = gSavedSettings.getF32("RenderReflectionProbeDrawDistance");
+        static LLCachedControl<F32> reflection_probe_draw_distance(gSavedSettings, "RenderReflectionProbeDrawDistance", 64.f);
+        final_far = reflection_probe_draw_distance();
     }
     else if (CAMERA_MODE_CUSTOMIZE_AVATAR == gAgentCamera.getCameraMode())
     {
@@ -237,7 +236,7 @@ void display_update_camera()
 void display_stats()
 {
     LL_PROFILE_ZONE_SCOPED;
-    const F32 FPS_LOG_FREQUENCY = 10.f;
+    constexpr F32 FPS_LOG_FREQUENCY = 10.f;
     if (gRecentFPSTime.getElapsedTimeF32() >= FPS_LOG_FREQUENCY)
     {
         LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("DS - FPS");
@@ -246,7 +245,7 @@ void display_stats()
         gRecentFrameCount = 0;
         gRecentFPSTime.reset();
     }
-    F32 mem_log_freq = gSavedSettings.getF32("MemoryLogFrequency");
+    static LLCachedControl<F32> mem_log_freq(gSavedSettings, "MemoryLogFrequency", 600.f);
     if (mem_log_freq > 0.f && gRecentMemoryTime.getElapsedTimeF32() >= mem_log_freq)
     {
         LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("DS - Memory");
@@ -256,7 +255,7 @@ void display_stats()
         LLMemory::logMemoryInfo(true) ;
         gRecentMemoryTime.reset();
     }
-    const F32 ASSET_STORAGE_LOG_FREQUENCY = 60.f;
+    constexpr F32 ASSET_STORAGE_LOG_FREQUENCY = 60.f;
     if (gAssetStorageLogTime.getElapsedTimeF32() >= ASSET_STORAGE_LOG_FREQUENCY)
     {
         LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("DS - Asset Storage");
@@ -572,8 +571,10 @@ void display(bool rebuild, F32 zoom_factor, int subfield, bool for_snapshot)
 
     LLImageGL::updateStats(gFrameTimeSeconds);
 
-    LLVOAvatar::sRenderName = gSavedSettings.getS32("AvatarNameTagMode");
-    LLVOAvatar::sRenderGroupTitles = (gSavedSettings.getBOOL("NameTagShowGroupTitles") && gSavedSettings.getS32("AvatarNameTagMode"));
+    static LLCachedControl<S32> avatar_name_tag_mode(gSavedSettings, "AvatarNameTagMode", 1);
+    static LLCachedControl<bool> name_tag_show_group_titles(gSavedSettings, "NameTagShowGroupTitles", true);
+    LLVOAvatar::sRenderName = avatar_name_tag_mode;
+    LLVOAvatar::sRenderGroupTitles = name_tag_show_group_titles && avatar_name_tag_mode > 0;
 
     gPipeline.mBackfaceCull = true;
     gFrameCount++;
@@ -796,7 +797,7 @@ void display(bool rebuild, F32 zoom_factor, int subfield, bool for_snapshot)
             }
 
             gGL.setColorMask(true, true);
-            glClearColor(0,0,0,0);
+            glClearColor(0.f, 0.f, 0.f, 0.f);
 
             LLGLState::checkStates();
 
@@ -964,7 +965,7 @@ void display(bool rebuild, F32 zoom_factor, int subfield, bool for_snapshot)
         gPipeline.mRT->deferredScreen.bindTarget();
         if (gUseWireframe)
         {
-            F32 g = 0.5f;
+            constexpr F32 g = 0.5f;
             glClearColor(g, g, g, 1.f);
         }
         else
@@ -983,11 +984,12 @@ void display(bool rebuild, F32 zoom_factor, int subfield, bool for_snapshot)
             LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("display - 5")
             LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
 
-            if (gSavedSettings.getBOOL("RenderDepthPrePass"))
+            static LLCachedControl<bool> render_depth_pre_pass(gSavedSettings, "RenderDepthPrePass", false);
+            if (render_depth_pre_pass)
             {
                 gGL.setColorMask(false, false);
 
-                static const U32 types[] = {
+                constexpr U32 types[] = {
                     LLRenderPass::PASS_SIMPLE,
                     LLRenderPass::PASS_FULLBRIGHT,
                     LLRenderPass::PASS_SHINY
@@ -1201,7 +1203,7 @@ void display_cube_face()
 
     gGL.setColorMask(true, true);
 
-    glClearColor(0, 0, 0, 0);
+    glClearColor(0.f, 0.f, 0.f, 0.f);
     gPipeline.generateSunShadow(*LLViewerCamera::getInstance());
 
     glClear(GL_DEPTH_BUFFER_BIT); // | GL_STENCIL_BUFFER_BIT);
@@ -1237,7 +1239,7 @@ void display_cube_face()
     }
     else
     {
-        glClearColor(1, 0, 1, 1);
+        glClearColor(1.f, 0.f, 1.f, 1.f);
     }
     gPipeline.mRT->deferredScreen.clear();
 
@@ -1278,11 +1280,12 @@ void render_hud_attachments()
     {
         LLPipeline::sRenderingHUDs = true;
         LLCamera hud_cam = *LLViewerCamera::getInstance();
-        hud_cam.setOrigin(-1.f,0,0);
-        hud_cam.setAxes(LLVector3(1,0,0), LLVector3(0,1,0), LLVector3(0,0,1));
+        hud_cam.setOrigin(-1.f, 0.f, 0.f);
+        hud_cam.setAxes(LLVector3(1.f, 0.f, 0.f), LLVector3(0.f, 1.f, 0.f), LLVector3(0.f, 0.f, 1.f));
         LLViewerCamera::updateFrustumPlanes(hud_cam, true);
 
-        bool render_particles = gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES) && gSavedSettings.getBOOL("RenderHUDParticles");
+        static LLCachedControl<bool> render_hud_particles(gSavedSettings, "RenderHUDParticles", false);
+        bool render_particles = gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES) && render_hud_particles;
 
         //only render hud objects
         gPipeline.pushRenderTypeMask();
@@ -1642,10 +1645,11 @@ void render_ui_3d()
     stop_glerror();
 
     gUIProgram.bind();
-    gGL.color4f(1, 1, 1, 1);
+    gGL.color4f(1.f, 1.f, 1.f, 1.f);
 
     // Coordinate axes
-    if (gSavedSettings.getBOOL("ShowAxes"))
+    static LLCachedControl<bool> show_axes(gSavedSettings, "ShowAxes");
+    if (show_axes())
     {
         draw_axes();
     }
@@ -1705,7 +1709,7 @@ void render_ui_2d()
         gGL.pushMatrix();
         S32 half_width = (gViewerWindow->getWorldViewWidthScaled() / 2);
         S32 half_height = (gViewerWindow->getWorldViewHeightScaled() / 2);
-        gGL.scalef(LLUI::getScaleFactor().mV[0], LLUI::getScaleFactor().mV[1], 1.f);
+        gGL.scalef(LLUI::getScaleFactor().mV[VX], LLUI::getScaleFactor().mV[VY], 1.f);
         gGL.translatef((F32)half_width, (F32)half_height, 0.f);
         F32 zoom = gAgentCamera.mHUDCurZoom;
         gGL.scalef(zoom,zoom,1.f);
@@ -1727,7 +1731,7 @@ void render_ui_2d()
             gPipeline.mUIScreen.bindTarget();
             gGL.setColorMask(true, true);
             {
-                static const S32 pad = 8;
+                constexpr S32 pad = 8;
 
                 LLView::sDirtyRect.mLeft -= pad;
                 LLView::sDirtyRect.mRight += pad;
@@ -1780,8 +1784,6 @@ void render_ui_2d()
         gViewerWindow->draw();
     }
 
-
-
     // reset current origin for font rendering, in case of tiling render
     LLFontGL::sCurOrigin.set(0, 0);
 }
@@ -1790,7 +1792,7 @@ void render_disconnected_background()
 {
     gUIProgram.bind();
 
-    gGL.color4f(1,1,1,1);
+    gGL.color4f(1.f, 1.f, 1.f, 1.f);
     if (!gDisconnectedImagep && gDisconnected)
     {
         LL_INFOS() << "Loading last bitmap..." << LL_ENDL;
@@ -1830,7 +1832,7 @@ void render_disconnected_background()
 
 
         raw->expandToPowerOfTwo();
-        gDisconnectedImagep = LLViewerTextureManager::getLocalTexture(raw.get(), false );
+        gDisconnectedImagep = LLViewerTextureManager::getLocalTexture(raw.get(), false);
         gStartTexture = gDisconnectedImagep;
         gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
     }
@@ -1865,6 +1867,5 @@ void render_disconnected_background()
 
 void display_cleanup()
 {
-    gDisconnectedImagep = NULL;
+    gDisconnectedImagep = nullptr;
 }
-
diff --git a/indra/newview/llviewerfloaterreg.cpp b/indra/newview/llviewerfloaterreg.cpp
index 4d9c2f3281..4b3af6d7e8 100644
--- a/indra/newview/llviewerfloaterreg.cpp
+++ b/indra/newview/llviewerfloaterreg.cpp
@@ -38,8 +38,8 @@
 #include "llfloateraddpaymentmethod.h"
 #include "llfloaterauction.h"
 #include "llfloaterautoreplacesettings.h"
-#include "llfloateravatar.h"
 #include "llfloateravatarpicker.h"
+#include "llfloateravatarwelcomepack.h"
 #include "llfloateravatarrendersettings.h"
 #include "llfloateravatartextures.h"
 #include "llfloaterbanduration.h"
@@ -331,8 +331,8 @@ void LLViewerFloaterReg::registerFloaters()
     LLFloaterReg::add("appearance", "floater_my_appearance.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterSidePanelContainer>);
     LLFloaterReg::add("associate_listing", "floater_associate_listing.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterAssociateListing>);
     LLFloaterReg::add("auction", "floater_auction.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterAuction>);
-    LLFloaterReg::add("avatar", "floater_avatar.xml",  (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterAvatar>);
     LLFloaterReg::add("avatar_picker", "floater_avatar_picker.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterAvatarPicker>);
+    LLFloaterReg::add("avatar_welcome_pack", "floater_avatar_welcome_pack.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterAvatarWelcomePack>);
     LLFloaterReg::add("avatar_render_settings", "floater_avatar_render_settings.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterAvatarRenderSettings>);
     LLFloaterReg::add("avatar_textures", "floater_avatar_textures.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterAvatarTextures>);
 
diff --git a/indra/newview/llviewermedia_streamingaudio.cpp b/indra/newview/llviewermedia_streamingaudio.cpp
index b68ffbe1a2..4a1c433f8e 100644
--- a/indra/newview/llviewermedia_streamingaudio.cpp
+++ b/indra/newview/llviewermedia_streamingaudio.cpp
@@ -60,13 +60,26 @@ void LLStreamingAudio_MediaPlugins::start(const std::string& url)
     if(!mMediaPlugin)
         return;
 
-    if (!url.empty()) {
+    if (!url.empty())
+    {
         LL_INFOS() << "Starting internet stream: " << url << LL_ENDL;
-        mURL = url;
-        mMediaPlugin->loadURI ( url );
+
+        mURL = url; // keep original url here for comparison purposes
+        std::string snt_url = url;
+        LLStringUtil::trim(snt_url);
+        size_t pos = snt_url.find(' ');
+        if (pos != std::string::npos)
+        {
+            // fmod permited having names after the url and people were using it.
+            // People label their streams this way, ignore the 'label'.
+            snt_url = snt_url.substr(0, pos);
+        }
+        mMediaPlugin->loadURI(snt_url);
         mMediaPlugin->start();
         LL_INFOS() << "Playing stream..." << LL_ENDL;
-    } else {
+    }
+    else
+    {
         LL_INFOS() << "setting stream to NULL"<< LL_ENDL;
         mURL.clear();
         mMediaPlugin->stop();
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 6aa20a0019..d66da27bc7 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -290,6 +290,7 @@ void force_error_coroutine_crash();
 void force_error_coroprocedure_crash();
 void force_error_work_queue_crash();
 void force_error_thread_crash();
+void force_exception_thread_crash();
 
 void handle_force_delete();
 void print_object_info();
@@ -2663,6 +2664,15 @@ class LLAdvancedForceErrorThreadCrash : public view_listener_t
     }
 };
 
+class LLAdvancedForceExceptionThreadCrash : public view_listener_t
+{
+    bool handleEvent(const LLSD& userdata)
+    {
+        force_exception_thread_crash();
+        return true;
+    }
+};
+
 class LLAdvancedForceErrorDisconnectViewer : public view_listener_t
 {
     bool handleEvent(const LLSD& userdata)
@@ -8791,6 +8801,11 @@ void force_error_thread_crash()
     LLAppViewer::instance()->forceErrorThreadCrash();
 }
 
+void force_exception_thread_crash()
+{
+    LLAppViewer::instance()->forceExceptionThreadCrash();
+}
+
 class LLToolsUseSelectionForGrid : public view_listener_t
 {
     bool handleEvent(const LLSD& userdata)
@@ -9995,6 +10010,7 @@ void initialize_menus()
     view_listener_t::addMenu(new LLAdvancedForceErrorCoroprocedureCrash(), "Advanced.ForceErrorCoroprocedureCrash");
     view_listener_t::addMenu(new LLAdvancedForceErrorWorkQueueCrash(), "Advanced.ForceErrorWorkQueueCrash");
     view_listener_t::addMenu(new LLAdvancedForceErrorThreadCrash(), "Advanced.ForceErrorThreadCrash");
+    view_listener_t::addMenu(new LLAdvancedForceExceptionThreadCrash(), "Advanced.ForceExceptionThreadCrash");
     view_listener_t::addMenu(new LLAdvancedForceErrorDisconnectViewer(), "Advanced.ForceErrorDisconnectViewer");
 
     // Advanced (toplevel)
diff --git a/indra/newview/llviewermenufile.cpp b/indra/newview/llviewermenufile.cpp
index 15f8a6e6f1..3695478061 100644
--- a/indra/newview/llviewermenufile.cpp
+++ b/indra/newview/llviewermenufile.cpp
@@ -69,6 +69,7 @@
 #include "llviewerassetupload.h"
 
 // linden libraries
+#include "llfilesystem.h"
 #include "llnotificationsutil.h"
 #include "llsdserialize.h"
 #include "llsdutil.h"
@@ -94,7 +95,7 @@ class LLFileEnableUploadModel : public view_listener_t
     bool handleEvent(const LLSD& userdata)
     {
         LLFloaterModelPreview* fmp = (LLFloaterModelPreview*) LLFloaterReg::findInstance("upload_model");
-        if (fmp && fmp->isModelLoading())
+        if (fmp && !fmp->isDead() && fmp->isModelLoading())
         {
             return false;
         }
@@ -550,16 +551,9 @@ void do_bulk_upload(std::vector<std::string> filenames, bool allow_2k)
         if (LLResourceUploadInfo::findAssetTypeAndCodecOfExtension(ext, asset_type, codec))
         {
             bool resource_upload = false;
-            if (asset_type == LLAssetType::AT_TEXTURE && allow_2k)
+            if (asset_type == LLAssetType::AT_TEXTURE)
             {
-                LLPointer<LLImageFormatted> image_frmted = LLImageFormatted::createFromType(codec);
-                if (gDirUtilp->fileExists(filename) && image_frmted && image_frmted->load(filename))
-                {
-                    S32 biased_width = LLImageRaw::biasedDimToPowerOfTwo(image_frmted->getWidth(), LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
-                    S32 biased_height = LLImageRaw::biasedDimToPowerOfTwo(image_frmted->getHeight(), LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
-                    expected_upload_cost = LLAgentBenefitsMgr::current().getTextureUploadCost(biased_width, biased_height);
-                    resource_upload = true;
-                }
+                resource_upload = true;
             }
             else if (LLAgentBenefitsMgr::current().findUploadCost(asset_type, expected_upload_cost))
             {
@@ -568,23 +562,115 @@ void do_bulk_upload(std::vector<std::string> filenames, bool allow_2k)
 
             if (resource_upload)
             {
-                LLNewFileResourceUploadInfo* info_p = new LLNewFileResourceUploadInfo(
-                    filename,
-                    asset_name,
-                    asset_name, 0,
-                    LLFolderType::FT_NONE, LLInventoryType::IT_NONE,
-                    LLFloaterPerms::getNextOwnerPerms("Uploads"),
-                    LLFloaterPerms::getGroupPerms("Uploads"),
-                    LLFloaterPerms::getEveryonePerms("Uploads"),
-                    expected_upload_cost);
-
-                if (!allow_2k)
+                if (asset_type == LLAssetType::AT_TEXTURE)
                 {
-                    info_p->setMaxImageSize(1024);
-                }
-                LLResourceUploadInfo::ptr_t uploadInfo(info_p);
+                    std::string exten = gDirUtilp->getExtension(filename);
+                    U32         codec = LLImageBase::getCodecFromExtension(exten);
+
+                    // Load the image
+                    LLPointer<LLImageFormatted> image = LLImageFormatted::createFromType(codec);
+                    if (image.isNull())
+                    {
+                        LL_WARNS() << "Failed to create image container for " << filename << LL_ENDL;
+                        continue;
+                    }
+                    if (!image->load(filename))
+                    {
+                        LL_WARNS() << "Failed to load image: " << filename << LL_ENDL;
+                        continue;
+                    }
+                    // Decompress or expand it in a raw image structure
+                    LLPointer<LLImageRaw> raw_image = new LLImageRaw;
+                    if (!image->decode(raw_image, 0.0f))
+                    {
+                        LL_WARNS() << "Failed to decode image: " << filename << LL_ENDL;
+                        continue;
+                    }
+                    // Check the image constraints
+                    if ((image->getComponents() != 3) && (image->getComponents() != 4))
+                    {
+                        LL_WARNS() << "Attempted to upload a texture that has " << image->getComponents()
+                                   << " components, but only 3 (RGB) or 4 (RGBA) are allowed." << LL_ENDL;
+                        continue;
+                    }
+                    // Downscale images to fit the max_texture_dimensions_*, or 1024 if allow_2k is false
+                    S32 max_width  = allow_2k ? gSavedSettings.getS32("max_texture_dimension_X") : 1024;
+                    S32 max_height = allow_2k ? gSavedSettings.getS32("max_texture_dimension_Y") : 1024;
+
+                    S32 orig_width  = raw_image->getWidth();
+                    S32 orig_height = raw_image->getHeight();
+
+                    if (orig_width > max_width || orig_height > max_height)
+                    {
+                        // Calculate scale factors
+                        F32 width_scale  = (F32)max_width / (F32)orig_width;
+                        F32 height_scale = (F32)max_height / (F32)orig_height;
+                        F32 scale        = llmin(width_scale, height_scale);
+
+                        // Calculate new dimensions, preserving aspect ratio
+                        S32 new_width  = LLImageRaw::contractDimToPowerOfTwo(llclamp((S32)llroundf(orig_width * scale), 4, max_width));
+                        S32 new_height = LLImageRaw::contractDimToPowerOfTwo(llclamp((S32)llroundf(orig_height * scale), 4, max_height));
+
+                        if (!raw_image->scale(new_width, new_height))
+                        {
+                            LL_WARNS() << "Failed to scale image from " << orig_width << "x" << orig_height << " to " << new_width << "x"
+                                       << new_height << LL_ENDL;
+                            continue;
+                        }
+
+                        // Inform the resident about the resized image
+                        LLSD subs;
+                        subs["[ORIGINAL_WIDTH]"]  = orig_width;
+                        subs["[ORIGINAL_HEIGHT]"] = orig_height;
+                        subs["[NEW_WIDTH]"]       = new_width;
+                        subs["[NEW_HEIGHT]"]      = new_height;
+                        subs["[MAX_WIDTH]"]       = max_width;
+                        subs["[MAX_HEIGHT]"]      = max_height;
+                        LLNotificationsUtil::add("ImageUploadResized", subs);
+                    }
+
+                    raw_image->biasedScaleToPowerOfTwo(LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
+
+                    LLTransactionID tid;
+                    tid.generate();
+                    LLAssetID new_asset_id = tid.makeAssetID(gAgent.getSecureSessionID());
 
-                upload_new_resource(uploadInfo);
+                    LLPointer<LLImageJ2C> formatted = new LLImageJ2C;
+
+                    if (formatted->encode(raw_image, 0.0f))
+                    {
+                        LLFileSystem fmt_file(new_asset_id, LLAssetType::AT_TEXTURE, LLFileSystem::WRITE);
+                        fmt_file.write(formatted->getData(), formatted->getDataSize());
+
+                        LLResourceUploadInfo::ptr_t assetUploadInfo(new LLResourceUploadInfo(
+                            tid, LLAssetType::AT_TEXTURE,
+                            asset_name,
+                            asset_name, 0,
+                            LLFolderType::FT_NONE, LLInventoryType::IT_NONE,
+                            LLFloaterPerms::getNextOwnerPerms("Uploads"),
+                            LLFloaterPerms::getGroupPerms("Uploads"),
+                            LLFloaterPerms::getEveryonePerms("Uploads"),
+                            LLAgentBenefitsMgr::current().getTextureUploadCost(raw_image->getWidth(), raw_image->getHeight())
+                        ));
+
+                        upload_new_resource(assetUploadInfo);
+                    }
+                }
+                else
+                {
+                    LLNewFileResourceUploadInfo* info_p = new LLNewFileResourceUploadInfo(
+                        filename,
+                        asset_name,
+                        asset_name, 0,
+                        LLFolderType::FT_NONE, LLInventoryType::IT_NONE,
+                        LLFloaterPerms::getNextOwnerPerms("Uploads"),
+                        LLFloaterPerms::getGroupPerms("Uploads"),
+                        LLFloaterPerms::getEveryonePerms("Uploads"),
+                        expected_upload_cost);
+                    LLResourceUploadInfo::ptr_t uploadInfo(info_p);
+
+                    upload_new_resource(uploadInfo);
+                }
             }
         }
 
@@ -653,8 +739,31 @@ bool get_bulk_upload_expected_cost(
                 LLPointer<LLImageFormatted> image_frmted = LLImageFormatted::createFromType(codec);
                 if (gDirUtilp->fileExists(filename) && image_frmted && image_frmted->load(filename))
                 {
-                    S32 biased_width = LLImageRaw::biasedDimToPowerOfTwo(image_frmted->getWidth(), LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
-                    S32 biased_height = LLImageRaw::biasedDimToPowerOfTwo(image_frmted->getHeight(), LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
+                    S32 biased_width, biased_height;
+
+                    S32 max_width  = allow_2k ? gSavedSettings.getS32("max_texture_dimension_X") : 1024;
+                    S32 max_height = allow_2k ? gSavedSettings.getS32("max_texture_dimension_Y") : 1024;
+
+                    S32 orig_width  = image_frmted->getWidth();
+                    S32 orig_height = image_frmted->getHeight();
+
+                    if (orig_width > max_width || orig_height > max_height)
+                    {
+                        // Calculate scale factors
+                        F32 width_scale  = (F32)max_width / (F32)orig_width;
+                        F32 height_scale = (F32)max_height / (F32)orig_height;
+                        F32 scale        = llmin(width_scale, height_scale);
+
+                        // Calculate new dimensions, preserving aspect ratio
+                        biased_width = LLImageRaw::contractDimToPowerOfTwo(llclamp((S32)llroundf(orig_width * scale), 4, max_width));
+                        biased_height = LLImageRaw::contractDimToPowerOfTwo(llclamp((S32)llroundf(orig_height * scale), 4, max_height));
+                    }
+                    else
+                    {
+                        biased_width = LLImageRaw::biasedDimToPowerOfTwo(orig_width, LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
+                        biased_height = LLImageRaw::biasedDimToPowerOfTwo(orig_height, LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
+                    }
+
                     total_cost += LLAgentBenefitsMgr::current().getTextureUploadCost(biased_width, biased_height);
                     S32 area = biased_width * biased_height;
                     if (area >= LLAgentBenefits::MIN_2K_TEXTURE_AREA)
diff --git a/indra/newview/llviewermessage.cpp b/indra/newview/llviewermessage.cpp
index 1501ba41c2..44831aea03 100644
--- a/indra/newview/llviewermessage.cpp
+++ b/indra/newview/llviewermessage.cpp
@@ -3052,6 +3052,11 @@ void process_agent_movement_complete(LLMessageSystem* msg, void**)
         }
     }
 
+#ifdef LL_DISCORD
+    if (gSavedSettings.getBOOL("EnableDiscord"))
+        LLAppViewer::updateDiscordActivity();
+#endif
+
     if ( LLTracker::isTracking(NULL) )
     {
         // Check distance to beacon, if < 5m, remove beacon
@@ -3189,6 +3194,7 @@ void send_agent_update(bool force_send, bool send_reliable)
 
     static F64          last_send_time = 0.0;
     static U32          last_control_flags = 0;
+    static bool         control_flags_follow_up = false;
     static U8           last_render_state = 0;
     static U8           last_flags = AU_FLAGS_NONE;
     static LLQuaternion last_body_rot,
@@ -3266,6 +3272,20 @@ void send_agent_update(bool force_send, bool send_reliable)
                 break;
             }
 
+            // example:
+            // user taps crouch (control_flags 4128), viewer sends 4128 then immediately 0
+            // server starts crouching motion but does not stop it, only once viewer sends 0
+            // second time will server stop the motion. follow_up exists to make sure all
+            // states like 'crouch' motion are properly cleared server side.
+            //
+            // P.S. Server probably shouldn't require a reminder to stop a motion,
+            // but at the moment it does.
+            if (control_flags_follow_up)
+            {
+                send_update = true;
+                break;
+            }
+
             // check translation
             constexpr F32 TRANSLATE_THRESHOLD = 0.01f;
             if ((last_camera_pos_agent - camera_pos_agent).magVec() > TRANSLATE_THRESHOLD)
@@ -3399,6 +3419,7 @@ void send_agent_update(bool force_send, bool send_reliable)
 
     // remember last update data
     last_send_time = now;
+    control_flags_follow_up = last_control_flags != control_flags;
     last_control_flags = control_flags;
     last_render_state = render_state;
     last_flags = flags;
diff --git a/indra/newview/llviewerparceloverlay.cpp b/indra/newview/llviewerparceloverlay.cpp
index da03d3b015..e36ad0e722 100755
--- a/indra/newview/llviewerparceloverlay.cpp
+++ b/indra/newview/llviewerparceloverlay.cpp
@@ -33,6 +33,7 @@
 #include "llfloaterreg.h"
 #include "llgl.h"
 #include "llrender.h"
+#include "lluicolor.h"
 #include "v4color.h"
 #include "v2math.h"
 
@@ -50,8 +51,8 @@
 #include "pipeline.h"
 
 
-static const U8  OVERLAY_IMG_COMPONENTS = 4;
-static const F32 LINE_WIDTH = 0.0625f;
+static constexpr U8  OVERLAY_IMG_COMPONENTS = 4;
+static constexpr F32 LINE_WIDTH = 0.0625f;
 
 bool LLViewerParcelOverlay::sColorSetInitialized = false;
 LLUIColor LLViewerParcelOverlay::sAvailColor;
@@ -91,7 +92,7 @@ LLViewerParcelOverlay::LLViewerParcelOverlay(LLViewerRegion* region, F32 region_
     // Initialize the GL texture with empty data.
     //
     // Create the base texture.
-    U8 *raw = mImageRaw->getData();
+    U8* raw = mImageRaw->getData();
     const S32 COUNT = mParcelGridsPerEdge * mParcelGridsPerEdge * OVERLAY_IMG_COMPONENTS;
     for (S32 i = 0; i < COUNT; i++)
     {
@@ -158,10 +159,10 @@ bool LLViewerParcelOverlay::encroachesOwned(const std::vector<LLBBox>& boxes) co
         LLVector3 min = boxes[i].getMinAgent();
         LLVector3 max = boxes[i].getMaxAgent();
 
-        S32 left   = S32(llclamp((min.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
-        S32 right  = S32(llclamp((max.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
-        S32 top    = S32(llclamp((min.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
-        S32 bottom = S32(llclamp((max.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+        S32 left   = S32(llclamp((min.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
+        S32 right  = S32(llclamp((max.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
+        S32 top    = S32(llclamp((min.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
+        S32 bottom = S32(llclamp((max.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
 
         for (S32 row = top; row <= bottom; row++)
         {
@@ -186,10 +187,10 @@ bool LLViewerParcelOverlay::encroachesOnUnowned(const std::vector<LLBBox>& boxes
         LLVector3 min = boxes[i].getMinAgent();
         LLVector3 max = boxes[i].getMaxAgent();
 
-        S32 left   = S32(llclamp((min.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
-        S32 right  = S32(llclamp((max.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
-        S32 top    = S32(llclamp((min.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
-        S32 bottom = S32(llclamp((max.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+        S32 left   = S32(llclamp((min.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
+        S32 right  = S32(llclamp((max.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
+        S32 top    = S32(llclamp((min.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
+        S32 bottom = S32(llclamp((max.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
 
         for (S32 row = top; row <= bottom; row++)
         {
@@ -223,10 +224,10 @@ bool LLViewerParcelOverlay::encroachesOnNearbyParcel(const std::vector<LLBBox>&
             return true;
         }
 
-        S32 left   = S32(llclamp((min.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
-        S32 right  = S32(llclamp((max.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
-        S32 bottom = S32(llclamp((min.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
-        S32 top    = S32(llclamp((max.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+        S32 left   = S32(llclamp((min.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
+        S32 right  = S32(llclamp((max.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
+        S32 bottom = S32(llclamp((min.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
+        S32 top    = S32(llclamp((max.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1.f));
 
         const S32 GRIDS_PER_EDGE = mParcelGridsPerEdge;
 
@@ -348,11 +349,11 @@ void LLViewerParcelOverlay::updateOverlayTexture()
     const LLColor4U auction = sAuctionColor.get();
 
     // Create the base texture.
-    U8 *raw = mImageRaw->getData();
+    U8* raw = mImageRaw->getData();
     const S32 COUNT = mParcelGridsPerEdge * mParcelGridsPerEdge;
     S32 max = mOverlayTextureIdx + mParcelGridsPerEdge;
     if (max > COUNT) max = COUNT;
-    S32 pixel_index = mOverlayTextureIdx*OVERLAY_IMG_COMPONENTS;
+    S32 pixel_index = mOverlayTextureIdx * OVERLAY_IMG_COMPONENTS;
     S32 i;
     for (i = mOverlayTextureIdx; i < max; i++)
     {
@@ -361,7 +362,7 @@ void LLViewerParcelOverlay::updateOverlayTexture()
         U8 r,g,b,a;
 
         // Color stored in low three bits
-        switch( ownership & 0x7 )
+        switch (ownership & 0x7)
         {
         case PARCEL_PUBLIC:
             r = avail.mV[VRED];
@@ -407,10 +408,10 @@ void LLViewerParcelOverlay::updateOverlayTexture()
             break;
         }
 
-        raw[pixel_index + 0] = (U8)r;
-        raw[pixel_index + 1] = (U8)g;
-        raw[pixel_index + 2] = (U8)b;
-        raw[pixel_index + 3] = (U8)a;
+        raw[pixel_index + VRED]   = (U8)r;
+        raw[pixel_index + VGREEN] = (U8)g;
+        raw[pixel_index + VBLUE]  = (U8)b;
+        raw[pixel_index + VALPHA] = (U8)a;
 
         pixel_index += OVERLAY_IMG_COMPONENTS;
     }
@@ -431,11 +432,10 @@ void LLViewerParcelOverlay::updateOverlayTexture()
     }
 }
 
-
-void LLViewerParcelOverlay::uncompressLandOverlay(S32 chunk, U8 *packed_overlay)
+void LLViewerParcelOverlay::uncompressLandOverlay(S32 chunk, U8* packed_overlay)
 {
     // Unpack the message data into the ownership array
-    S32 size    = mParcelGridsPerEdge * mParcelGridsPerEdge;
+    S32 size = mParcelGridsPerEdge * mParcelGridsPerEdge;
     S32 chunk_size = size / PARCEL_OVERLAY_CHUNKS;
 
     memcpy(mOwnership + chunk*chunk_size, packed_overlay, chunk_size);      /*Flawfinder: ignore*/
@@ -460,7 +460,7 @@ void LLViewerParcelOverlay::updatePropertyLines()
 
     mEdges.clear();
 
-    const F32 GRID_STEP = PARCEL_GRID_STEP_METERS;
+    constexpr F32 GRID_STEP = PARCEL_GRID_STEP_METERS;
     const S32 GRIDS_PER_EDGE = mParcelGridsPerEdge;
 
     for (S32 row = 0; row < GRIDS_PER_EDGE; row++)
@@ -537,16 +537,16 @@ void LLViewerParcelOverlay::addPropertyLine(F32 start_x, F32 start_y, F32 dx, F3
 
     auto split = [&](const LLVector3& start, F32 x, F32 y, F32 z, F32 part)
         {
-            F32 new_x = start.mV[0] + (x - start.mV[0]) * part;
-            F32 new_y = start.mV[1] + (y - start.mV[1]) * part;
-            F32 new_z = start.mV[2] + (z - start.mV[2]) * part;
+            F32 new_x = start.mV[VX] + (x - start.mV[VX]) * part;
+            F32 new_y = start.mV[VY] + (y - start.mV[VY]) * part;
+            F32 new_z = start.mV[VZ] + (z - start.mV[VZ]) * part;
             edge.vertices.emplace_back(new_x, new_y, new_z);
         };
 
     auto checkForSplit = [&]()
         {
             const LLVector3& last_outside = edge.vertices.back();
-            F32 z0 = last_outside.mV[2];
+            F32 z0 = last_outside.mV[VZ];
             F32 z1 = outside_z;
             if ((z0 >= water_z && z1 >= water_z) || (z0 < water_z && z1 < water_z))
                 return;
@@ -581,7 +581,7 @@ void LLViewerParcelOverlay::addPropertyLine(F32 start_x, F32 start_y, F32 dx, F3
     outside_y += dy * (dy - LINE_WIDTH);
 
     // Middle part, full width
-    const S32 GRID_STEP = (S32)PARCEL_GRID_STEP_METERS;
+    constexpr S32 GRID_STEP = (S32)PARCEL_GRID_STEP_METERS;
     for (S32 i = 1; i < GRID_STEP; i++)
     {
         inside_z = land.resolveHeightRegion( inside_x, inside_y );
@@ -711,7 +711,7 @@ void LLViewerParcelOverlay::renderPropertyLines()
 
     bool render_hidden = LLSelectMgr::sRenderHiddenSelections && LLFloaterReg::instanceVisible("build");
 
-    const F32 PROPERTY_LINE_CLIP_DIST_SQUARED = 256.f * 256.f;
+    constexpr F32 PROPERTY_LINE_CLIP_DIST_SQUARED = 256.f * 256.f;
 
     for (const Edge& edge : mEdges)
     {
@@ -744,7 +744,7 @@ void LLViewerParcelOverlay::renderPropertyLines()
             else
             {
                 LLVector3 visible = vertex;
-                visible.mV[2] = water_z;
+                visible.mV[VZ] = water_z;
                 gGL.vertex3fv(visible.mV);
             }
         }
@@ -758,7 +758,7 @@ void LLViewerParcelOverlay::renderPropertyLines()
             gGL.begin(LLRender::TRIANGLE_STRIP);
 
             LLColor4U color = edge.color;
-            color.mV[3] /= 4;
+            color.mV[VALPHA] /= 4;
             gGL.color4ubv(color.mV);
 
             for (const LLVector3& vertex : edge.vertices)
@@ -792,7 +792,7 @@ void grid_2d_part_lines(const F32 left, const F32 top, const F32 right, const F3
     gGL.end();
 }
 
-void LLViewerParcelOverlay::renderPropertyLinesOnMinimap(F32 scale_pixels_per_meter, const F32 *parcel_outline_color)
+void LLViewerParcelOverlay::renderPropertyLinesOnMinimap(F32 scale_pixels_per_meter, const F32* parcel_outline_color)
 {
     static LLCachedControl<bool> show(gSavedSettings, "MiniMapShowPropertyLines");
 
@@ -803,8 +803,8 @@ void LLViewerParcelOverlay::renderPropertyLinesOnMinimap(F32 scale_pixels_per_me
 
     LLVector3 origin_agent     = mRegion->getOriginAgent();
     LLVector3 rel_region_pos   = origin_agent - gAgentCamera.getCameraPositionAgent();
-    F32       region_left      = rel_region_pos.mV[0] * scale_pixels_per_meter;
-    F32       region_bottom    = rel_region_pos.mV[1] * scale_pixels_per_meter;
+    F32       region_left      = rel_region_pos.mV[VX] * scale_pixels_per_meter;
+    F32       region_bottom    = rel_region_pos.mV[VY] * scale_pixels_per_meter;
     F32       map_parcel_width = PARCEL_GRID_STEP_METERS * scale_pixels_per_meter;
     const S32 GRIDS_PER_EDGE   = mParcelGridsPerEdge;
 
diff --git a/indra/newview/llviewerparceloverlay.h b/indra/newview/llviewerparceloverlay.h
index 03ae464cb8..50bef02ddf 100644
--- a/indra/newview/llviewerparceloverlay.h
+++ b/indra/newview/llviewerparceloverlay.h
@@ -34,12 +34,11 @@
 #include "llframetimer.h"
 #include "lluuid.h"
 #include "llviewertexture.h"
-#include "llgl.h"
-#include "lluicolor.h"
 
 class LLViewerRegion;
 class LLVector3;
 class LLColor4U;
+class LLUIColor;
 class LLVector2;
 
 class LLViewerParcelOverlay : public LLGLUpdate
@@ -65,19 +64,18 @@ public:
 
     bool            isSoundLocal(const LLVector3& pos) const;
 
-    bool            isBuildCameraAllowed(const LLVector3& pos) const;
     F32             getOwnedRatio() const;
 
     // Returns the number of vertices drawn
     void            renderPropertyLines();
     void            renderPropertyLinesOnMinimap(F32 scale_pixels_per_meter, const F32* parcel_outline_color);
 
-    U8              ownership( const LLVector3& pos) const;
-    U8              parcelLineFlags( const LLVector3& pos) const;
+    U8              ownership(const LLVector3& pos) const;
+    U8              parcelLineFlags(const LLVector3& pos) const;
     U8              parcelLineFlags(S32 row, S32 col) const;
 
     // MANIPULATE
-    void    uncompressLandOverlay(S32 chunk, U8 *compressed_overlay);
+    void    uncompressLandOverlay(S32 chunk, U8* compressed_overlay);
 
     // Indicate property lines and overlay texture need to be rebuilt.
     void    setDirty();
@@ -88,8 +86,7 @@ public:
 private:
     // This is in parcel rows and columns, not grid rows and columns
     // Stored in bottom three bits.
-    U8      ownership(S32 row, S32 col) const
-                { return parcelFlags(row, col, (U8)0x7); }
+    U8      ownership(S32 row, S32 col) const { return parcelFlags(row, col, (U8)0x7); }
 
     U8      parcelFlags(S32 row, S32 col, U8 flags) const;
 
diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp
index b9f52e11aa..a085bc4d91 100755
--- a/indra/newview/llviewerregion.cpp
+++ b/indra/newview/llviewerregion.cpp
@@ -38,7 +38,6 @@
 #include "llregionhandle.h"
 #include "llsurface.h"
 #include "message.h"
-//#include "vmath.h"
 #include "v3math.h"
 #include "v4math.h"
 
diff --git a/indra/newview/llviewerstats.cpp b/indra/newview/llviewerstats.cpp
index 73aabf49d1..a4f308bbf9 100644
--- a/indra/newview/llviewerstats.cpp
+++ b/indra/newview/llviewerstats.cpp
@@ -220,7 +220,20 @@ SimMeasurement<F64Megabytes >   SIM_PHYSICS_MEM("physicsmemoryallocated", "", LL
 
 LLTrace::SampleStatHandle<F64Milliseconds > FRAMETIME_JITTER("frametimejitter", "Average delta between successive frame times"),
                                             FRAMETIME("frametime", "Measured frame time"),
-                                            SIM_PING("simpingstat");
+                                            SIM_PING("simpingstat"),
+                                            FRAMETIME_JITTER_99TH("frametimejitter99", "99th percentile of frametime jitter over the last 5 seconds."),
+                                            FRAMETIME_JITTER_95TH("frametimejitter95", "99th percentile of frametime jitter over the last 5 seconds."),
+                                            FRAMETIME_99TH("frametime99", "99th percentile of frametime over the last 5 seconds."),
+                                            FRAMETIME_95TH("frametime95", "99th percentile of frametime over the last 5 seconds."),
+                                            FRAMETIME_JITTER_CUMULATIVE("frametimejitcumulative", "Cumulative frametime jitter over the session."),
+                                            FRAMETIME_JITTER_STDDEV("frametimejitterstddev", "Standard deviation of frametime jitter in a 5 second period."),
+                                            FRAMETIME_STDDEV("frametimestddev", "Standard deviation of frametime in a 5 second period.");
+
+LLTrace::SampleStatHandle<U32> FRAMETIME_JITTER_EVENTS("frametimeevents", "Number of frametime events in the session.  Applies when jitter exceeds 10% of the previous frame."),
+                                FRAMETIME_JITTER_EVENTS_PER_MINUTE("frametimeeventspm", "Average number of frametime events per minute."),
+                                FRAMETIME_JITTER_EVENTS_LAST_MINUTE("frametimeeventslastmin", "Number of frametime events in the last minute.");
+
+LLTrace::SampleStatHandle<F64> NOTRMALIZED_FRAMETIME_JITTER_SESSION("normalizedframetimejitter", "Normalized frametime jitter over the session.");
 
 LLTrace::EventStatHandle<LLUnit<F64, LLUnits::Meters> > AGENT_POSITION_SNAP("agentpositionsnap", "agent position corrections");
 
@@ -264,16 +277,105 @@ void LLViewerStats::resetStats()
     getRecording().reset();
 }
 
+// Helper for calculating Nth percentile with linear interpolation
+template<typename T>
+T calcPercentile(const std::vector<T>& sorted, double percent)
+{
+    if (sorted.empty())
+        return T(0);
+    double idx       = percent * (sorted.size() - 1);
+    size_t idx_below = static_cast<size_t>(std::floor(idx));
+    size_t idx_above = static_cast<size_t>(std::ceil(idx));
+    if (idx_below == idx_above)
+        return sorted[idx_below];
+    double weight_above = idx - idx_below;
+    return sorted[idx_below] * (1.0 - weight_above) + sorted[idx_above] * weight_above;
+}
+
+template<typename T>
+T calcStddev(const std::vector<T>& values)
+{
+    if (values.size() < 2)
+        return T(0);
+    double sum = 0, sq_sum = 0;
+    for (const auto& v : values)
+    {
+        double d = v.value();
+        sum += d;
+        sq_sum += d * d;
+    }
+    double mean     = sum / values.size();
+    double variance = (sq_sum / values.size()) - (mean * mean);
+    return T(std::sqrt(variance));
+}
+
 void LLViewerStats::updateFrameStats(const F64Seconds time_diff)
 {
     if (gFrameCount && mLastTimeDiff > (F64Seconds)0.0)
     {
+        mTotalTime += time_diff;
         sample(LLStatViewer::FRAMETIME, time_diff);
         // old stats that were never really used
         F64Seconds jit = (F64Seconds)std::fabs((mLastTimeDiff - time_diff));
         sample(LLStatViewer::FRAMETIME_JITTER, jit);
-    }
+        mTotalFrametimeJitter += jit;
+        sample(LLStatViewer::FRAMETIME_JITTER_CUMULATIVE, mTotalFrametimeJitter);
+        sample(LLStatViewer::NOTRMALIZED_FRAMETIME_JITTER_SESSION, mTotalFrametimeJitter / mTotalTime);
+
+        static LLCachedControl<F32> frameTimeEventThreshold(gSavedSettings, "StatsFrametimeEventThreshold", 0.1f);
+
+        if (time_diff - mLastTimeDiff > mLastTimeDiff * frameTimeEventThreshold())
+        {
+            sample(LLStatViewer::FRAMETIME_JITTER_EVENTS, mFrameJitterEvents++);
+            mFrameJitterEventsLastMinute++;
+        }
 
+        mFrameTimes.push_back(time_diff);
+        mFrameTimesJitter.push_back(jit);
+
+        mLastFrameTimeSample += time_diff;
+        mTimeSinceLastEventSample += time_diff;
+
+        static LLCachedControl<S32> frameTimeSampleSeconds(gSavedSettings, "StatsFrametimeSampleSeconds", 5);
+
+        if (mLastFrameTimeSample >= frameTimeSampleSeconds())
+        {
+            std::sort(mFrameTimes.begin(), mFrameTimes.end());
+            std::sort(mFrameTimesJitter.begin(), mFrameTimesJitter.end());
+
+            // Use new helpers for calculations
+            F64Seconds frame_time_stddev = calcStddev(mFrameTimes);
+            sample(LLStatViewer::FRAMETIME_STDDEV, frame_time_stddev);
+
+            F64Seconds ninety_ninth_percentile = calcPercentile(mFrameTimes, 0.99);
+            F64Seconds ninety_fifth_percentile = calcPercentile(mFrameTimes, 0.95);
+            sample(LLStatViewer::FRAMETIME_99TH, ninety_ninth_percentile);
+            sample(LLStatViewer::FRAMETIME_95TH, ninety_fifth_percentile);
+
+            frame_time_stddev = calcStddev(mFrameTimesJitter);
+            sample(LLStatViewer::FRAMETIME_JITTER_STDDEV, frame_time_stddev);
+
+            ninety_ninth_percentile = calcPercentile(mFrameTimesJitter, 0.99);
+            ninety_fifth_percentile = calcPercentile(mFrameTimesJitter, 0.95);
+            sample(LLStatViewer::FRAMETIME_JITTER_99TH, ninety_ninth_percentile);
+            sample(LLStatViewer::FRAMETIME_JITTER_95TH, ninety_fifth_percentile);
+
+            mFrameTimes.clear();
+            mFrameTimesJitter.clear();
+            mLastFrameTimeSample = F64Seconds(0);
+        }
+
+        if (mTimeSinceLastEventSample >= 60)
+        {
+            mEventMinutes++;
+            // Calculate average events per minute
+            U64 frame_time_events_per_minute = (U64)mFrameJitterEvents / mEventMinutes;
+            sample(LLStatViewer::FRAMETIME_JITTER_EVENTS_PER_MINUTE, frame_time_events_per_minute);
+            sample(LLStatViewer::FRAMETIME_JITTER_EVENTS_LAST_MINUTE, mFrameJitterEventsLastMinute);
+            mFrameJitterEventsLastMinute   = 0;
+            mTimeSinceLastEventSample    = F64Seconds(0);
+        }
+    }
     mLastTimeDiff = time_diff;
 }
 
diff --git a/indra/newview/llviewerstats.h b/indra/newview/llviewerstats.h
index 8aed1c537e..63fb7d4a17 100644
--- a/indra/newview/llviewerstats.h
+++ b/indra/newview/llviewerstats.h
@@ -275,6 +275,17 @@ private:
     LLTrace::Recording              mRecording;
 
     F64Seconds mLastTimeDiff;  // used for time stat updates
+    F64Seconds mTotalFrametimeJitter;
+
+    U32 mFrameJitterEvents = 0;
+    U32 mFrameJitterEventsLastMinute = 0;
+    U32 mEventMinutes = 0;
+    F64Seconds mTotalTime;
+
+    F64Seconds              mLastFrameTimeSample; // used for frame time stats
+    F64Seconds              mTimeSinceLastEventSample;
+    std::vector<F64Seconds>      mFrameTimes;          // used for frame time stats
+    std::vector<F64Seconds> mFrameTimesJitter;    // used for frame time jitter stats
 };
 
 static const F32 SEND_STATS_PERIOD = 300.0f;
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index 0d02dc034e..6f79532ec3 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -911,6 +911,7 @@ void LLViewerTextureList::updateImageDecodePriority(LLViewerFetchedTexture* imag
         bool on_screen = false;
 
         U32 face_count = 0;
+        U32 max_faces_to_check = 1024;
 
         // get adjusted bias based on image resolution
         LLImageGL* img = imagep->getGLTexture();
@@ -923,13 +924,15 @@ void LLViewerTextureList::updateImageDecodePriority(LLViewerFetchedTexture* imag
         LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
         for (U32 i = 0; i < LLRender::NUM_TEXTURE_CHANNELS; ++i)
         {
-            for (S32 fi = 0; fi < imagep->getNumFaces(i); ++fi)
+            face_count += imagep->getNumFaces(i);
+            S32 faces_to_check = (face_count > max_faces_to_check) ? 0 : imagep->getNumFaces(i);
+
+            for (S32 fi = 0; fi < faces_to_check; ++fi)
             {
                 LLFace* face = (*(imagep->getFaceList(i)))[fi];
 
                 if (face && face->getViewerObject())
                 {
-                    ++face_count;
                     F32 radius;
                     F32 cos_angle_to_view_dir;
 
@@ -992,11 +995,10 @@ void LLViewerTextureList::updateImageDecodePriority(LLViewerFetchedTexture* imag
             }
         }
 
-        if (face_count > 1024)
+        if (face_count > max_faces_to_check)
         { // this texture is used in so many places we should just boost it and not bother checking its vsize
             // this is especially important because the above is not time sliced and can hit multiple ms for a single texture
-            imagep->setBoostLevel(LLViewerFetchedTexture::BOOST_HIGH);
-            // Do we ever remove it? This also sets texture nodelete!
+            max_vsize = MAX_IMAGE_AREA;
         }
 
         if (imagep->getType() == LLViewerTexture::LOD_TEXTURE && imagep->getBoostLevel() == LLViewerTexture::BOOST_NONE)
@@ -1195,6 +1197,8 @@ F32 LLViewerTextureList::updateImagesLoadingFastCache(F32 max_time)
         enditer = iter;
         LLViewerFetchedTexture *imagep = *curiter;
         imagep->loadFromFastCache();
+        if (timer.getElapsedTimeF32() > max_time)
+            break;
     }
     mFastCacheList.erase(mFastCacheList.begin(), enditer);
     return timer.getElapsedTimeF32();
@@ -1306,7 +1310,7 @@ void LLViewerTextureList::decodeAllImages(F32 max_time)
     LLTimer timer;
 
     //loading from fast cache
-    updateImagesLoadingFastCache(max_time);
+    max_time -= updateImagesLoadingFastCache(max_time);
 
     // Update texture stats and priorities
     std::vector<LLPointer<LLViewerFetchedTexture> > image_list;
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index e74df0917f..b0408b73ad 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -2301,13 +2301,13 @@ void LLViewerWindow::initWorldUI()
             url = LLWeb::expandURLSubstitutions(url, LLSD());
             destinations->navigateTo(url, HTTP_CONTENT_TEXT_HTML);
         }
-        LLMediaCtrl* avatar_picker = LLFloaterReg::getInstance("avatar")->findChild<LLMediaCtrl>("avatar_picker_contents");
-        if (avatar_picker)
+        LLMediaCtrl* avatar_welcome_pack = LLFloaterReg::getInstance("avatar_welcome_pack")->findChild<LLMediaCtrl>("avatar_picker_contents");
+        if (avatar_welcome_pack)
         {
-            avatar_picker->setErrorPageURL(gSavedSettings.getString("GenericErrorPageURL"));
-            std::string url = gSavedSettings.getString("AvatarPickerURL");
+            avatar_welcome_pack->setErrorPageURL(gSavedSettings.getString("GenericErrorPageURL"));
+            std::string url = gSavedSettings.getString("AvatarWelcomePack");
             url = LLWeb::expandURLSubstitutions(url, LLSD());
-            avatar_picker->navigateTo(url, HTTP_CONTENT_TEXT_HTML);
+            avatar_welcome_pack->navigateTo(url, HTTP_CONTENT_TEXT_HTML);
         }
     }
 }
@@ -4790,7 +4790,18 @@ void LLViewerWindow::saveImageLocal(LLImageFormatted *image, const snapshot_save
 #else
     boost::filesystem::path b_path(lastSnapshotDir);
 #endif
-    if (!boost::filesystem::is_directory(b_path))
+    boost::system::error_code ec;
+    if (!boost::filesystem::is_directory(b_path, ec) || ec.failed())
+    {
+        LLSD args;
+        args["PATH"] = lastSnapshotDir;
+        LLNotificationsUtil::add("SnapshotToLocalDirNotExist", args);
+        resetSnapshotLoc();
+        failure_cb();
+        return;
+    }
+    boost::filesystem::space_info b_space = boost::filesystem::space(b_path, ec);
+    if (ec.failed())
     {
         LLSD args;
         args["PATH"] = lastSnapshotDir;
@@ -4799,7 +4810,6 @@ void LLViewerWindow::saveImageLocal(LLImageFormatted *image, const snapshot_save
         failure_cb();
         return;
     }
-    boost::filesystem::space_info b_space = boost::filesystem::space(b_path);
     if (b_space.free < image->getDataSize())
     {
         LLSD args;
@@ -4816,6 +4826,8 @@ void LLViewerWindow::saveImageLocal(LLImageFormatted *image, const snapshot_save
         LLNotificationsUtil::add("SnapshotToComputerFailed", args);
 
         failure_cb();
+
+        // Shouldn't there be a return here?
     }
 
     // Look for an unused file name
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index bee3af4632..903d6a035f 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -678,6 +678,7 @@ LLVOAvatar::LLVOAvatar(const LLUUID& id,
     mVisuallyMuteSetting(AV_RENDER_NORMALLY),
     mMutedAVColor(LLColor4::white /* used for "uninitialize" */),
     mFirstFullyVisible(true),
+    mWaitingForMeshes(false),
     mFirstDecloudTime(-1.f),
     mFullyLoaded(false),
     mPreviousFullyLoaded(false),
@@ -919,12 +920,12 @@ bool LLVOAvatar::isFullyTextured() const
 
 bool LLVOAvatar::hasGray() const
 {
-    return !getIsCloud() && !isFullyTextured();
+    return !getHasMissingParts() && !isFullyTextured();
 }
 
 S32 LLVOAvatar::getRezzedStatus() const
 {
-    if (getIsCloud()) return 0;
+    if (getHasMissingParts()) return 0;
     bool textured = isFullyTextured();
     bool all_baked_loaded = allBakedTexturesCompletelyDownloaded();
     if (textured && all_baked_loaded && getAttachmentCount() == mSimAttachments.size()) return 4;
@@ -971,30 +972,45 @@ bool LLVOAvatar::areAllNearbyInstancesBaked(S32& grey_avatars)
 }
 
 // static
-void LLVOAvatar::getNearbyRezzedStats(std::vector<S32>& counts, F32& avg_cloud_time, S32& cloud_avatars)
+void LLVOAvatar::getNearbyRezzedStats(std::vector<S32>& counts, F32& avg_cloud_time, S32& cloud_avatars, S32& pending_meshes, S32& control_avatars)
 {
     counts.clear();
     counts.resize(5);
     avg_cloud_time = 0;
     cloud_avatars = 0;
+    pending_meshes = 0;
+    control_avatars = 0;
     S32 count_avg = 0;
 
     for (LLCharacter* character : LLCharacter::sInstances)
     {
-        if (LLVOAvatar* inst = (LLVOAvatar*)character)
+        LLVOAvatar* inst = (LLVOAvatar*)character;
+        if (inst && !inst->isUIAvatar() && !inst->isSelf())
         {
-            S32 rez_status = inst->getRezzedStatus();
-            counts[rez_status]++;
-            F32 time = inst->getFirstDecloudTime();
-            if (time >= 0)
+            if (inst->isControlAvatar())
             {
-                avg_cloud_time+=time;
-                count_avg++;
+                control_avatars++;
             }
-            if (!inst->isFullyLoaded() || time < 0)
+            else
             {
-                // still renders as cloud
-                cloud_avatars++;
+                S32 rez_status = inst->getRezzedStatus();
+                counts[rez_status]++;
+                F32 time = inst->getFirstDecloudTime();
+                if (time >= 0)
+                {
+                    avg_cloud_time += time;
+                    count_avg++;
+                }
+                if (!inst->isFullyLoaded() || time < 0)
+                {
+                    // still renders as cloud
+                    cloud_avatars++;
+                    if (rez_status >= 4
+                        && inst->mWaitingForMeshes)
+                    {
+                        pending_meshes++;
+                    }
+                }
             }
         }
     }
@@ -1011,7 +1027,7 @@ std::string LLVOAvatar::rezStatusToString(S32 rez_status)
     switch (rez_status)
     {
     case 0:
-        return "cloud";
+        return "missing parts";
     case 1:
         return "gray";
     case 2:
@@ -3473,7 +3489,7 @@ void LLVOAvatar::idleUpdateNameTagText(bool new_name)
         is_muted = isInMuteList();
     }
     bool is_friend = isBuddy();
-    bool is_cloud = getIsCloud();
+    bool is_cloud = getHasMissingParts();
 
     if (is_appearance != mNameAppearance)
     {
@@ -6325,13 +6341,13 @@ const LLUUID& LLVOAvatar::getID() const
 //-----------------------------------------------------------------------------
 // RN: avatar joints are multi-rooted to include screen-based attachments
 // virtual
-LLJoint *LLVOAvatar::getJoint( const std::string &name )
+LLJoint* LLVOAvatar::getJoint(std::string_view name)
 {
     joint_map_t::iterator iter = mJointMap.find(name);
 
-    LLJoint* jointp = NULL;
+    LLJoint* jointp = nullptr;
 
-    if (iter == mJointMap.end() || iter->second == NULL)
+    if (iter == mJointMap.end() || iter->second == nullptr)
     {   //search for joint and cache found joint in lookup table
         if (mJointAliasMap.empty())
         {
@@ -6348,7 +6364,7 @@ LLJoint *LLVOAvatar::getJoint( const std::string &name )
             canonical_name = name;
         }
         jointp = mRoot->findJoint(canonical_name);
-        mJointMap[name] = jointp;
+        mJointMap[std::string(name)] = jointp;
     }
     else
     {   //return cached pointer
@@ -8223,7 +8239,7 @@ bool LLVOAvatar::isVisible() const
 }
 
 // Determine if we have enough avatar data to render
-bool LLVOAvatar::getIsCloud() const
+bool LLVOAvatar::getHasMissingParts() const
 {
     if (mIsDummy)
     {
@@ -8430,8 +8446,12 @@ bool LLVOAvatar::updateIsFullyLoaded()
                    || (mLoadedCallbackTextures < mCallbackTextureList.size() && mLastTexCallbackAddedTime.getElapsedTimeF32() < MAX_TEXTURE_WAIT_TIME_SEC)
                    || !mPendingAttachment.empty()
                    || (rez_status < 3 && !isFullyBaked())
-                   || hasPendingAttachedMeshes()
                   );
+        if (!loading)
+        {
+            mWaitingForMeshes = hasPendingAttachedMeshes();
+            loading = mWaitingForMeshes;
+        }
 
         // compare amount of attachments to one reported by simulator
         if (!isSelf() && mLastCloudAttachmentCount < mSimAttachments.size() && mSimAttachments.size() > 0)
diff --git a/indra/newview/llvoavatar.h b/indra/newview/llvoavatar.h
index 13d42fb02f..1e563c4869 100644
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
@@ -202,7 +202,7 @@ public:
     void                    startDefaultMotions();
     void                    dumpAnimationState();
 
-    virtual LLJoint*        getJoint(const std::string &name);
+    virtual LLJoint*        getJoint(std::string_view name);
     LLJoint*                getJoint(S32 num);
     void                    initAllJoints();
 
@@ -401,7 +401,7 @@ public:
 
     bool            isTooComplex() const;
     bool            visualParamWeightsAreDefault();
-    virtual bool    getIsCloud() const;
+    virtual bool    getHasMissingParts() const;
     bool            isFullyTextured() const;
     bool            hasGray() const;
     S32             getRezzedStatus() const; // 0 = cloud, 1 = gray, 2 = textured, 3 = waiting for attachments, 4 = full.
@@ -427,6 +427,7 @@ protected:
 
 private:
     bool            mFirstFullyVisible;
+    bool            mWaitingForMeshes;
     F32             mFirstDecloudTime;
     LLFrameTimer    mFirstAppearanceMessageTimer;
 
@@ -723,7 +724,7 @@ public:
 
     bool            isFullyBaked();
     static bool     areAllNearbyInstancesBaked(S32& grey_avatars);
-    static void     getNearbyRezzedStats(std::vector<S32>& counts, F32& avg_cloud_time, S32& cloud_avatars);
+    static void     getNearbyRezzedStats(std::vector<S32>& counts, F32& avg_cloud_time, S32& cloud_avatars, S32& pending_meshes, S32& control_avatars);
     static std::string rezStatusToString(S32 status);
 
     //--------------------------------------------------------------------
diff --git a/indra/newview/llvoavatarself.cpp b/indra/newview/llvoavatarself.cpp
index 90ff4067f2..653c7e82eb 100644
--- a/indra/newview/llvoavatarself.cpp
+++ b/indra/newview/llvoavatarself.cpp
@@ -697,17 +697,17 @@ void LLVOAvatarSelf::idleUpdate(LLAgent &agent, const F64 &time)
 }
 
 // virtual
-LLJoint *LLVOAvatarSelf::getJoint(const std::string &name)
+LLJoint* LLVOAvatarSelf::getJoint(std::string_view name)
 {
     std::lock_guard lock(mJointMapMutex);
-    LLJoint *jointp = NULL;
+    LLJoint* jointp = nullptr;
     jointp = LLVOAvatar::getJoint(name);
     if (!jointp && mScreenp)
     {
         jointp = mScreenp->findJoint(name);
         if (jointp)
         {
-            mJointMap[name] = jointp;
+            mJointMap[std::string(name)] = jointp;
         }
     }
     if (jointp && jointp != mScreenp && jointp != mRoot)
@@ -1927,7 +1927,7 @@ void LLVOAvatarSelf::dumpTotalLocalTextureByteCount()
     LL_INFOS() << "Total Avatar LocTex GL:" << (gl_bytes/1024) << "KB" << LL_ENDL;
 }
 
-bool LLVOAvatarSelf::getIsCloud() const
+bool LLVOAvatarSelf::getHasMissingParts() const
 {
     // Let people know why they're clouded without spamming them into oblivion.
     bool do_warn = false;
@@ -2237,14 +2237,18 @@ void LLVOAvatarSelf::appearanceChangeMetricsCoro(std::string url)
     std::vector<S32> rez_counts;
     F32 avg_time;
     S32 total_cloud_avatars;
-    LLVOAvatar::getNearbyRezzedStats(rez_counts, avg_time, total_cloud_avatars);
+    S32 waiting_for_meshes;
+    S32 control_avatars;
+    LLVOAvatar::getNearbyRezzedStats(rez_counts, avg_time, total_cloud_avatars, waiting_for_meshes, control_avatars);
     for (S32 rez_stat = 0; rez_stat < rez_counts.size(); ++rez_stat)
     {
         std::string rez_status_name = LLVOAvatar::rezStatusToString(rez_stat);
         msg["nearby"][rez_status_name] = rez_counts[rez_stat];
     }
+    msg["nearby"]["waiting_for_meshes"] = waiting_for_meshes;
     msg["nearby"]["avg_decloud_time"] = avg_time;
     msg["nearby"]["cloud_total"] = total_cloud_avatars;
+    msg["nearby"]["animeshes"] = control_avatars;
 
     //  std::vector<std::string> bucket_fields("timer_name","is_self","grid_x","grid_y","is_using_server_bake");
     std::vector<std::string> by_fields;
@@ -2826,6 +2830,12 @@ void LLVOAvatarSelf::setHoverOffset(const LLVector3& hover_offset, bool send_upd
 //------------------------------------------------------------------------
 bool LLVOAvatarSelf::needsRenderBeam()
 {
+    static LLCachedControl<bool> enable_selection_hints(gSavedSettings, "EnableSelectionHints", true);
+    if (!enable_selection_hints)
+    {
+        return false;
+    }
+
     LLTool *tool = LLToolMgr::getInstance()->getCurrentTool();
 
     bool is_touching_or_grabbing = (tool == LLToolGrab::getInstance() && LLToolGrab::getInstance()->isEditing());
diff --git a/indra/newview/llvoavatarself.h b/indra/newview/llvoavatarself.h
index f9bea41b1d..45985b2a80 100644
--- a/indra/newview/llvoavatarself.h
+++ b/indra/newview/llvoavatarself.h
@@ -90,7 +90,7 @@ public:
     /*virtual*/ bool        hasMotionFromSource(const LLUUID& source_id);
     /*virtual*/ void        stopMotionFromSource(const LLUUID& source_id);
     /*virtual*/ void        requestStopMotion(LLMotion* motion);
-    /*virtual*/ LLJoint*    getJoint(const std::string &name);
+    /*virtual*/ LLJoint*    getJoint(std::string_view name);
 
     /*virtual*/ void renderJoints();
 
@@ -129,7 +129,7 @@ public:
     // Loading state
     //--------------------------------------------------------------------
 public:
-    /*virtual*/ bool    getIsCloud() const;
+    /*virtual*/ bool    getHasMissingParts() const;
 
     //--------------------------------------------------------------------
     // Region state
diff --git a/indra/newview/llvoicewebrtc.cpp b/indra/newview/llvoicewebrtc.cpp
index 9835a69e4e..627d759df4 100644
--- a/indra/newview/llvoicewebrtc.cpp
+++ b/indra/newview/llvoicewebrtc.cpp
@@ -336,35 +336,37 @@ void LLWebRTCVoiceClient::updateSettings()
     LL_PROFILE_ZONE_SCOPED_CATEGORY_VOICE;
 
     setVoiceEnabled(LLVoiceClient::getInstance()->voiceEnabled());
-    static LLCachedControl<S32> sVoiceEarLocation(gSavedSettings, "VoiceEarLocation");
-    setEarLocation(sVoiceEarLocation);
-
-    static LLCachedControl<std::string> sInputDevice(gSavedSettings, "VoiceInputAudioDevice");
-    setCaptureDevice(sInputDevice);
+    if (mVoiceEnabled)
+    {
+        static LLCachedControl<S32> sVoiceEarLocation(gSavedSettings, "VoiceEarLocation");
+        setEarLocation(sVoiceEarLocation);
 
-    static LLCachedControl<std::string> sOutputDevice(gSavedSettings, "VoiceOutputAudioDevice");
-    setRenderDevice(sOutputDevice);
+        static LLCachedControl<std::string> sInputDevice(gSavedSettings, "VoiceInputAudioDevice");
+        setCaptureDevice(sInputDevice);
 
-    LL_INFOS("Voice") << "Input device: " << std::quoted(sInputDevice()) << ", output device: " << std::quoted(sOutputDevice()) << LL_ENDL;
+        static LLCachedControl<std::string> sOutputDevice(gSavedSettings, "VoiceOutputAudioDevice");
+        setRenderDevice(sOutputDevice);
 
-    static LLCachedControl<F32> sMicLevel(gSavedSettings, "AudioLevelMic");
-    setMicGain(sMicLevel);
+        LL_INFOS("Voice") << "Input device: " << std::quoted(sInputDevice()) << ", output device: " << std::quoted(sOutputDevice()) << LL_ENDL;
 
-    llwebrtc::LLWebRTCDeviceInterface::AudioConfig config;
+        static LLCachedControl<F32> sMicLevel(gSavedSettings, "AudioLevelMic");
+        setMicGain(sMicLevel);
 
-    static LLCachedControl<bool> sEchoCancellation(gSavedSettings, "VoiceEchoCancellation", true);
-    config.mEchoCancellation = sEchoCancellation;
+        llwebrtc::LLWebRTCDeviceInterface::AudioConfig config;
 
-    static LLCachedControl<bool> sAGC(gSavedSettings, "VoiceAutomaticGainControl", true);
-    config.mAGC = sAGC;
+        static LLCachedControl<bool> sEchoCancellation(gSavedSettings, "VoiceEchoCancellation", true);
+        config.mEchoCancellation = sEchoCancellation;
 
-    static LLCachedControl<U32> sNoiseSuppressionLevel(gSavedSettings,
-                                                       "VoiceNoiseSuppressionLevel",
-                                                       llwebrtc::LLWebRTCDeviceInterface::AudioConfig::ENoiseSuppressionLevel::NOISE_SUPPRESSION_LEVEL_VERY_HIGH);
-    config.mNoiseSuppressionLevel = (llwebrtc::LLWebRTCDeviceInterface::AudioConfig::ENoiseSuppressionLevel) (U32)sNoiseSuppressionLevel;
+        static LLCachedControl<bool> sAGC(gSavedSettings, "VoiceAutomaticGainControl", true);
+        config.mAGC = sAGC;
 
-    mWebRTCDeviceInterface->setAudioConfig(config);
+        static LLCachedControl<U32> sNoiseSuppressionLevel(gSavedSettings,
+            "VoiceNoiseSuppressionLevel",
+            llwebrtc::LLWebRTCDeviceInterface::AudioConfig::ENoiseSuppressionLevel::NOISE_SUPPRESSION_LEVEL_VERY_HIGH);
+        config.mNoiseSuppressionLevel = (llwebrtc::LLWebRTCDeviceInterface::AudioConfig::ENoiseSuppressionLevel)(U32)sNoiseSuppressionLevel;
 
+        mWebRTCDeviceInterface->setAudioConfig(config);
+    }
 }
 
 // Observers
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 4931473551..80fc486a10 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -2656,6 +2656,17 @@ void LLVOVolume::syncMediaData(S32 texture_index, const LLSD &media_data, bool m
         }
         viewer_media_t media_impl = LLViewerMedia::getInstance()->updateMediaImpl(mep, previous_url, update_from_self);
 
+        static LLCachedControl<bool> media_autoplay_huds(gSavedSettings, "MediaAutoPlayHuds", true);
+        bool was_loaded = media_impl->hasMedia();
+        if (isHUDAttachment() && media_autoplay_huds && !was_loaded)
+        {
+            std::string url = mep->getCurrentURL();
+            if (media_impl->getCurrentMediaURL() != url)
+            {
+                media_impl->navigateTo(url, "", false, true);
+            }
+        }
+
         addMediaImpl(media_impl, texture_index) ;
     }
     else
@@ -3799,7 +3810,12 @@ bool LLVOVolume::canBeAnimatedObject() const
 
 bool LLVOVolume::isAnimatedObject() const
 {
-    LLVOVolume *root_vol = (LLVOVolume*)getRootEdit();
+    LLViewerObject *root_obj = getRootEdit();
+    if (root_obj->getPCode() != LL_PCODE_VOLUME)
+    {
+        return false; // at the moment only volumes can be animated
+    }
+    LLVOVolume* root_vol = (LLVOVolume*)root_obj;
     mIsAnimatedObject = root_vol->getExtendedMeshFlags() & LLExtendedMeshParams::ANIMATED_MESH_ENABLED_FLAG;
     return mIsAnimatedObject;
 }
diff --git a/indra/newview/llwatchdog.cpp b/indra/newview/llwatchdog.cpp
index 0a1d346266..bf171fe954 100644
--- a/indra/newview/llwatchdog.cpp
+++ b/indra/newview/llwatchdog.cpp
@@ -29,7 +29,7 @@
 #include "llwatchdog.h"
 #include "llthread.h"
 
-const U32 WATCHDOG_SLEEP_TIME_USEC = 1000000;
+constexpr U32 WATCHDOG_SLEEP_TIME_USEC = 1000000U;
 
 // This class runs the watchdog timing thread.
 class LLWatchdogTimerThread : public LLThread
@@ -51,7 +51,7 @@ public:
         mSleepMsecs = 1;
     }
 
-    /* virtual */ void run()
+    void run() override
     {
         while(!mStopping)
         {
@@ -83,7 +83,7 @@ void LLWatchdogEntry::start()
 void LLWatchdogEntry::stop()
 {
     // this can happen very late in the shutdown sequence
-    if (! LLWatchdog::wasDeleted())
+    if (!LLWatchdog::wasDeleted())
     {
         LLWatchdog::getInstance()->remove(this);
     }
@@ -117,7 +117,7 @@ void LLWatchdogTimeout::setTimeout(F32 d)
     mTimeout = d;
 }
 
-void LLWatchdogTimeout::start(const std::string& state)
+void LLWatchdogTimeout::start(std::string_view state)
 {
     if (mTimeout == 0)
     {
@@ -139,9 +139,9 @@ void LLWatchdogTimeout::stop()
     mTimer.stop();
 }
 
-void LLWatchdogTimeout::ping(const std::string& state)
+void LLWatchdogTimeout::ping(std::string_view state)
 {
-    if(!state.empty())
+    if (!state.empty())
     {
         mPingState = state;
     }
@@ -151,7 +151,7 @@ void LLWatchdogTimeout::ping(const std::string& state)
 // LLWatchdog
 LLWatchdog::LLWatchdog()
     :mSuspectsAccessMutex()
-    ,mTimer(NULL)
+    ,mTimer(nullptr)
     ,mLastClockCount(0)
 {
 }
@@ -176,7 +176,7 @@ void LLWatchdog::remove(LLWatchdogEntry* e)
 
 void LLWatchdog::init()
 {
-    if(!mSuspectsAccessMutex && !mTimer)
+    if (!mSuspectsAccessMutex && !mTimer)
     {
         mSuspectsAccessMutex = new LLMutex();
         mTimer = new LLWatchdogTimerThread();
@@ -191,17 +191,17 @@ void LLWatchdog::init()
 
 void LLWatchdog::cleanup()
 {
-    if(mTimer)
+    if (mTimer)
     {
         mTimer->stop();
         delete mTimer;
-        mTimer = NULL;
+        mTimer = nullptr;
     }
 
-    if(mSuspectsAccessMutex)
+    if (mSuspectsAccessMutex)
     {
         delete mSuspectsAccessMutex;
-        mSuspectsAccessMutex = NULL;
+        mSuspectsAccessMutex = nullptr;
     }
 
     mLastClockCount = 0;
@@ -214,12 +214,12 @@ void LLWatchdog::run()
     // Check the time since the last call to run...
     // If the time elapsed is two times greater than the regualr sleep time
     // reset the active timeouts.
-    const U32 TIME_ELAPSED_MULTIPLIER = 2;
+    constexpr U32 TIME_ELAPSED_MULTIPLIER = 2;
     U64 current_time = LLTimer::getTotalTime();
     U64 current_run_delta = current_time - mLastClockCount;
     mLastClockCount = current_time;
 
-    if(current_run_delta > (WATCHDOG_SLEEP_TIME_USEC * TIME_ELAPSED_MULTIPLIER))
+    if (current_run_delta > (WATCHDOG_SLEEP_TIME_USEC * TIME_ELAPSED_MULTIPLIER))
     {
         LL_INFOS() << "Watchdog thread delayed: resetting entries." << LL_ENDL;
         for (const auto& suspect : mSuspects)
@@ -233,7 +233,7 @@ void LLWatchdog::run()
             std::find_if(mSuspects.begin(),
                 mSuspects.end(),
                 [](const LLWatchdogEntry* suspect){ return ! suspect->isAlive(); });
-        if(result != mSuspects.end())
+        if (result != mSuspects.end())
         {
             // error!!!
             if(mTimer)
@@ -251,7 +251,7 @@ void LLWatchdog::run()
 
 void LLWatchdog::lockThread()
 {
-    if(mSuspectsAccessMutex != NULL)
+    if (mSuspectsAccessMutex)
     {
         mSuspectsAccessMutex->lock();
     }
@@ -259,7 +259,7 @@ void LLWatchdog::lockThread()
 
 void LLWatchdog::unlockThread()
 {
-    if(mSuspectsAccessMutex != NULL)
+    if (mSuspectsAccessMutex)
     {
         mSuspectsAccessMutex->unlock();
     }
diff --git a/indra/newview/llwatchdog.h b/indra/newview/llwatchdog.h
index fe8932e298..1931c582b0 100644
--- a/indra/newview/llwatchdog.h
+++ b/indra/newview/llwatchdog.h
@@ -56,14 +56,14 @@ public:
     LLWatchdogTimeout();
     virtual ~LLWatchdogTimeout();
 
-    /* virtual */ bool isAlive() const;
-    /* virtual */ void reset();
-    /* virtual */ void start() { start(""); }
-    /* virtual */ void stop();
+    bool isAlive() const override;
+    void reset() override;
+    void start() override { start(""); }
+    void stop() override;
 
-    void start(const std::string& state);
+    void start(std::string_view state);
     void setTimeout(F32 d);
-    void ping(const std::string& state);
+    void ping(std::string_view state);
     const std::string& getState() {return mPingState; }
 
 private:
diff --git a/indra/newview/res/ll_icon_small.ico b/indra/newview/res/ll_icon_small.ico
new file mode 100644
index 0000000000..a3f6877935
--- /dev/null
+++ b/indra/newview/res/ll_icon_small.ico
diff --git a/indra/newview/res/resource.h b/indra/newview/res/resource.h
index e904f4a1a8..1d3289d784 100644
--- a/indra/newview/res/resource.h
+++ b/indra/newview/res/resource.h
@@ -30,6 +30,7 @@
 #define IDREMOVE                        3
 #define IDI_LL_ICON                     103
 #define IDC_GRABHAND                    104
+#define IDI_LL_ICON_SMALL               105
 #define IDC_CURSOR1                     134
 #define IDC_CURSOR2                     136
 #define IDC_CURSOR3                     147
diff --git a/indra/newview/res/viewerRes.rc b/indra/newview/res/viewerRes.rc
index 4ee26a312a..dc2ba5f171 100755
--- a/indra/newview/res/viewerRes.rc
+++ b/indra/newview/res/viewerRes.rc
@@ -56,6 +56,7 @@ END
 // remains consistent on all systems.
 IDI_LL_ICON             ICON                    "ll_icon.ico"
 IDI_LCD_LL_ICON         ICON                    "icon1.ico"
+IDI_LL_ICON_SMALL       ICON                    "ll_icon_small.ico"
 
 /////////////////////////////////////////////////////////////////////////////
 //
diff --git a/indra/newview/skins/default/textures/textures.xml b/indra/newview/skins/default/textures/textures.xml
index d650e7e791..b18d151ab7 100644
--- a/indra/newview/skins/default/textures/textures.xml
+++ b/indra/newview/skins/default/textures/textures.xml
@@ -657,7 +657,6 @@ with the same filename but different name
 
   <texture name="login_sl_logo"  file_name="windows/login_sl_logo.png" preload="true" />
   <texture name="login_sl_logo_small"  file_name="windows/login_sl_logo_small.png" preload="true" />
-  <texture name="first_login_image"  file_name="windows/first_login_image.jpg" preload="true" />
 
   <texture name="Stepper_Down_Off" file_name="widgets/Stepper_Down_Off.png" preload="false" />
   <texture name="Stepper_Down_Press" file_name="widgets/Stepper_Down_Press.png" preload="false" />
diff --git a/indra/newview/skins/default/textures/windows/first_login_image.jpg b/indra/newview/skins/default/textures/windows/first_login_image.jpg
deleted file mode 100644
index 30f31341ed..0000000000
--- a/indra/newview/skins/default/textures/windows/first_login_image.jpg
+++ /dev/null
diff --git a/indra/newview/skins/default/xui/de/panel_login_first.xml b/indra/newview/skins/default/xui/de/panel_login_first.xml
deleted file mode 100644
index 038001157e..0000000000
--- a/indra/newview/skins/default/xui/de/panel_login_first.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<panel name="panel_login">
-	<panel.string name="forgot_password_url">
-		http://secondlife.com/account/request.php?lang=de
-	</panel.string>
-	<panel.string name="sign_up_url">
-		https://join.secondlife.com/
-	</panel.string>
-	<layout_stack name="logo_stack">
-		<layout_panel name="parent_panel2">
-			<layout_stack name="widget_stack">
-				<layout_panel name="widget_container">
-					<combo_box label="Benutzername" name="username_combo" tool_tip="Bei der Registrierung gewählter Benutzername wie „berndschmidt12“ oder „Liebe Sonne“"/>
-					<line_editor label="Kennwort" name="password_edit"/>
-					<button label="Anmelden" name="connect_btn"/>
-					<check_box label="Details speichern" name="remember_check"/>
-					<text name="forgot_password_text">
-						Kennwort vergessen
-					</text>
-					<text name="sign_up_text">
-						Registrieren
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel3">
-			<layout_stack name="images_stack">
-				<layout_panel name="images_container">
-					<text name="image_caption_left">
-						Ihr erster Schritt ist Learning Island. Suchen Sie die Pforte!
-					</text>
-					<text name="image_caption_right">
-						Erkunden Sie dann Social Island und lernen Sie andere Einwohner kennen!
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-	</layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/en/floater_avatar_welcome_pack.xml b/indra/newview/skins/default/xui/en/floater_avatar_welcome_pack.xml
new file mode 100644
index 0000000000..795d642755
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/floater_avatar_welcome_pack.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<floater
+ positioning="cascading"
+ legacy_header_height="225"
+ can_minimize="true"
+ can_close="true"
+ can_resize="false"
+ min_height="438"
+ min_width="530"
+ height="438"
+ layout="topleft"
+ name="Avatar Welcome Pack"
+ single_instance="true"
+ save_rect="true"
+ save_visibility="true"
+ title="AVATAR WELCOME PACK"
+ width="530">
+    <web_browser
+      top="25"
+      height="438"
+      width="530"
+      follows="all"
+      name="avatar_picker_contents"
+      trusted_content="true"/>
+</floater>
diff --git a/indra/newview/skins/default/xui/en/floater_model_preview.xml b/indra/newview/skins/default/xui/en/floater_model_preview.xml
index 90223fcda8..f11d687840 100644
--- a/indra/newview/skins/default/xui/en/floater_model_preview.xml
+++ b/indra/newview/skins/default/xui/en/floater_model_preview.xml
@@ -14,7 +14,7 @@
  legacy_header_height="25">
 
   <string name="status_idle"></string>
-  <string name="status_parse_error">Error: Dae parsing issue - see log for details.</string>
+  <string name="status_parse_error">Error: Model parsing issue - see log for details.</string>
   <string name="status_bind_shape_orientation">Warning: bind shape matrix is not in standard X-forward orientation.</string>
   <string name="status_material_mismatch">Error: Material of model is not a subset of reference model.</string>
   <string name="status_reading_file">Loading...</string>
@@ -39,12 +39,14 @@
   <string name="decomposing">Analyzing...</string>
   <string name="simplifying">Simplifying...</string>
   <string name="tbd">TBD</string>
+  <string name="ModelTextureScaling">One or more textures in this model were scaled to be within the allowed limits.</string>
   
   <!-- Warnings and info from model loader-->
   <string name="TooManyJoint">Skinning disabled due to too many joints: [JOINTS], maximum: [MAX]</string>
   <string name="UnrecognizedJoint">Rigged to unrecognized joint name [NAME]</string>
   <string name="UnknownJoints">Skinning disabled due to [COUNT] unknown joints</string>
   <string name="ModelLoaded">Model [MODEL_NAME] loaded</string>
+  <string name="InvBindCountMismatch">Bind matrices count mismatch joints count</string>
 
   <string name="IncompleteTC">Texture coordinates data is not complete.</string>
   <string name="PositionNaN">Found NaN while loading position data from DAE-Model, invalid model.</string>
@@ -60,6 +62,27 @@
   <string name="ParsingErrorNoRoot">Document has no root</string>
   <string name="ParsingErrorNoScene">Document has no visual_scene</string>
   <string name="ParsingErrorPositionInvalidModel">Unable to process mesh without position data. Invalid model.</string>
+  <string name="UnknownException">Importer crashed while processing [FILENAME], if you encounter this and file is valid, please report the issue to Second Life Support. Exception: [EXCEPTION].</string>
+
+ <!-- GLTF specific messages -->
+  <string name="NoScenesFound">No scenes defined in GLTF file</string>
+  <string name="InvalidMeshReference">Node [NODE_NAME] references invalid mesh [MESH_INDEX] (total meshes: [TOTAL_MESHES])</string>
+  <string name="InvalidGeometryNonTriangulated">Mesh [MESH_NAME] primitive [PRIMITIVE_INDEX]: Invalid geometry with [INDEX_COUNT] indices (must be triangulated)</string>
+  <string name="EmptyVertexArray">Mesh [MESH_NAME] primitive [PRIMITIVE_INDEX]: Empty vertex array</string>
+  <string name="ErrorIndexLimit">Unable to process mesh [MESH_NAME] due to 65,534 vertex limit. Vertex count: [VERTEX_COUNT]</string>
+  <string name="TextureFound">Found texture: [TEXTURE_NAME] for material: [MATERIAL_NAME]</string>
+  <string name="IgnoredExtension">Model uses unsupported extension: [EXT], related material properties are ignored</string>
+  <string name="UnsupportedExtension">Unable to load model, unsupported extension: [EXT]</string>
+  <string name="FailedToCreateTempFile">Failed to create temporary file for embedded [TEXTURE_TYPE] texture [TEXTURE_INDEX]: [TEMP_FILE]</string>
+  <string name="SkinJointsOverLimit">Skin [SKIN_INDEX] defines [JOINT_COUNT] compatible joints, maximum is: [MAX]. Unused joints will be stripped on per model basis.</string>
+  <string name="SkinUsupportedJoints">Skin [SKIN_INDEX] defines [JOINT_COUNT] joints, but only [LEGAL_COUNT] were recognized and are compatible</string>
+  <string name="SkinUnusedJoints">Skin [SKIN_INDEX] defines [JOINT_COUNT] compatible joints, of them only [USED_COUNT] were used</string>
+  <string name="ModelTooManyJoints">Model [MODEL_NAME] uses [JOINT_COUNT], maximum: [MAX], upload might fail</string>
+  <string name="ModelSplitPrimitive">Too many vertices in primitive [MODEL_NAME], it was split into [FACE_COUNT] faces</string>
+  <string name="ModelTooManySubmodels">Model [MODEL_NAME] contains [SUBMODEL_COUNT] generated mesh parts, parts were trimmed to [SUBMODEL_LIMIT]</string>
+  <string name="ParsingErrorMissingBuffer">Buffer is either missing or empty [BUFFER_NAME].</string>
+  <string name="ParsingErrorMissingBufferBin">Buffer is either missing or empty. Check presence of [BUFFER_URI] file.</string>
+  <string name="ParsingErrorException">Parser failed to process [FILENAME], file might be corrupt, incomplete or protected from reading. Exception: [EXCEPTION].</string>
 
   <panel
     follows="top|left"
@@ -1404,7 +1427,7 @@
          word_wrap="true">
         </text_editor>
         <check_box
-         control_name="ImporterDebug"
+         control_name="ImporterDebugVerboseLogging"
          follows="top|left"
          top_pad="9"
          left="6"
@@ -1706,7 +1729,6 @@ Analysed:
    height="408"/>
   <panel
     follows="right|bottom"
-    can_resize="false"
     height="140"
     layout="topleft"
     name="right_panel"
diff --git a/indra/newview/skins/default/xui/en/floater_stats.xml b/indra/newview/skins/default/xui/en/floater_stats.xml
index 6633e25099..f2309eb817 100644
--- a/indra/newview/skins/default/xui/en/floater_stats.xml
+++ b/indra/newview/skins/default/xui/en/floater_stats.xml
@@ -54,6 +54,19 @@
                   label="jitter"
                   decimal_digits="1"
                   stat="frametimejitter"/>
+          <stat_bar name="normalized_cumulative_frametime"
+                    label="normalized sess. jitter"
+                    decimal_digits="4"
+                    stat="normalizedframetimejitter"/>
+          <stat_bar name="frame_events_per_minute"
+                    label="frame events/minute"
+                    decimal_digits="2"
+                    stat="frametimeeventspm"/>
+          <stat_bar name="frame_events_last_minute"
+                    label="frame events last min."
+                    decimal_digits="0"
+                    stat="frametimeeventslastmin"/>
+          
         <stat_bar name="bandwidth"
                   label="UDP Data Received"
                   stat="activemessagedatareceived"
@@ -74,6 +87,38 @@
         <stat_view name="render"
                    label="Render"
                    setting="OpenDebugStatRender">
+            <stat_bar name="framet_cumulative"
+                    label="jitter cumulative"
+                    decimal_digits="1"
+                    stat="frametimejitcumulative"/>
+            <stat_bar name="framet_jitter_99th"
+                      label="jitter 99th percentile"
+                      decimal_digits="1"
+                      stat="frametimejitter99"/>
+            <stat_bar name="framet_jitter_95th"
+                      label="jitter 95th percentile"
+                      decimal_digits="1"
+                      stat="frametimejitter95"/>
+            <stat_bar name="framet_jitter_stddev"
+                      label="frametime jitter std dev"
+                      decimal_digits="1"
+                      stat="frametimejitterstddev"/>
+            <stat_bar name="framet_99th"
+                      label="frametime 99th percentile"
+                      decimal_digits="1"
+                      stat="frametime99"/>
+            <stat_bar name="framet_95th"
+                      label="frametime 95th percentile"
+                      decimal_digits="1"
+                      stat="frametime95"/>
+            <stat_bar name="framet_stddev"
+                      label="frametime std dev"
+                      decimal_digits="1"
+                      stat="frametimestddev"/>
+            <stat_bar name="framet_events"
+                      label="frametime events"
+                      decimal_digits="0"
+                      stat="frametimeevents"/>
           <stat_bar name="ktrisframe"
                     label="KTris per Frame"
                     unit_label="ktris/fr"
diff --git a/indra/newview/skins/default/xui/en/floater_test_slapp.xml b/indra/newview/skins/default/xui/en/floater_test_slapp.xml
index dd2720816a..5a13a0147e 100644
--- a/indra/newview/skins/default/xui/en/floater_test_slapp.xml
+++ b/indra/newview/skins/default/xui/en/floater_test_slapp.xml
@@ -8,7 +8,7 @@
  width="500">
    <floater.string
     name="remove_folder_slapp">
-    secondlife://app/remove_folder/?folder_id=
+    secondlife:///app/remove_folder/?folder_id=
    </floater.string>
    <text
     type="string"
@@ -42,7 +42,7 @@
     width="450"
     layout="topleft"
     left="16">
-        secondlife://app/wear_folder/?folder_name=Daisy
+        secondlife:///app/wear_folder/?folder_name=Daisy
    </text>
    <text
     type="string"
@@ -63,7 +63,7 @@
     width="450"
     layout="topleft"
     left="16">
-        secondlife://app/add_folder/?folder_name=Cardboard%20Boxbot
+        secondlife:///app/add_folder/?folder_name=Cardboard%20Boxbot
    </text>
    <text
     type="string"
@@ -73,7 +73,7 @@
     height="16"
     width="450"
     layout="topleft">
-        secondlife://app/add_folder/?folder_id=59219db2-c260-87d3-213d-bb3bc298a3d8
+        secondlife:///app/add_folder/?folder_id=59219db2-c260-87d3-213d-bb3bc298a3d8
    </text>
    <text
     type="string"
@@ -118,6 +118,6 @@
     name="remove_folder_txt"
     layout="topleft"
     left="16">
-        secondlife://app/remove_folder/?folder_id=
+        secondlife:///app/remove_folder/?folder_id=
    </text>
 </floater>
diff --git a/indra/newview/skins/default/xui/en/floater_world_map.xml b/indra/newview/skins/default/xui/en/floater_world_map.xml
index 5ab0177de6..0ce64b7a83 100644
--- a/indra/newview/skins/default/xui/en/floater_world_map.xml
+++ b/indra/newview/skins/default/xui/en/floater_world_map.xml
@@ -455,7 +455,7 @@
 
     <panel
      follows="right|top|bottom"
-	 height="330"
+	 height="235"
 	 top_pad="0"
 	 width="238"
 	 name="layout_panel_4">
@@ -532,9 +532,9 @@
      width="16" />
     <search_editor
      follows="top|right"
-  search_button_visible="false"
+     search_button_visible="false"
      height="22"
-  text_readonly_color="DkGray"
+     text_readonly_color="DkGray"
      label="Regions by Name"
      layout="topleft"
      top_delta="-2"
@@ -542,10 +542,7 @@
      name="location"
      select_on_focus="true"
      tool_tip="Type the name of a region"
-     width="152">
-               <search_editor.commit_callback
-                function="WMap.Location" />
-  </search_editor>
+     width="152"/>
    <button
      follows="top|right"
      height="23"
@@ -594,6 +591,13 @@
 		<scroll_list.commit_callback
 		function="WMap.SearchResult" />
     </scroll_list>
+    </panel>
+    <panel
+     follows="right|bottom"
+	 height="95"
+	 top_pad="0"
+	 width="238"
+	 name="layout_panel_7">
       <text
       type="string"
       length="1"
diff --git a/indra/newview/skins/default/xui/en/menu_url_parcel.xml b/indra/newview/skins/default/xui/en/menu_url_parcel.xml
index e0f1fcf9c3..95752dab66 100644
--- a/indra/newview/skins/default/xui/en/menu_url_parcel.xml
+++ b/indra/newview/skins/default/xui/en/menu_url_parcel.xml
@@ -16,7 +16,7 @@
      layout="topleft"
      name="show_on_map">
         <menu_item_call.on_click
-         function="Url.ShowOnMap" />
+         function="Url.ShowParcelOnMap" />
     </menu_item_call>
     <menu_item_separator
      layout="topleft" />
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index 10b15bfb93..081e5be014 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -411,11 +411,11 @@
       </menu_item_call>
       <menu_item_separator/>
       <menu_item_call
-        label="Complete avatars..."
-        name="Avatar Picker">
+        label="Avatar Welcome Pack..."
+        name="Avatar Welcome Pack">
         <menu_item_call.on_click
          function="Floater.ToggleOrBringToFront"
-         parameter="avatar" />
+         parameter="avatar_welcome_pack" />
       </menu_item_call>
       <menu_item_separator/>
 
@@ -2866,12 +2866,18 @@ function="World.EnvPreset"
                  function="Advanced.ForceErrorWorkQueueCrash" />
             </menu_item_call>
             <menu_item_call
-             label="Force a Crash in a Thread"
-             name="Force a Crash in a Thread">
+             label="Force an LLError Crash in a Thread"
+             name="Force an LLError Crash in a Thread">
                 <menu_item_call.on_click
                  function="Advanced.ForceErrorThreadCrash" />
             </menu_item_call>
             <menu_item_call
+             label="Force an Exception Crash in a Thread"
+             name="Force an Exception Crash in a Thread">
+                <menu_item_call.on_click
+                 function="Advanced.ForceExceptionThreadCrash" />
+            </menu_item_call>
+            <menu_item_call
              label="Force Disconnect Viewer"
              name="Force Disconnect Viewer">
                 <menu_item_call.on_click
diff --git a/indra/newview/skins/default/xui/en/notifications.xml b/indra/newview/skins/default/xui/en/notifications.xml
index cd888d4448..773e7c311b 100644
--- a/indra/newview/skins/default/xui/en/notifications.xml
+++ b/indra/newview/skins/default/xui/en/notifications.xml
@@ -7162,6 +7162,20 @@ You don&apos;t have permission to view this notecard.
   </notification>
 
   <notification
+   icon="alertmodal.tga"
+   name="MaterialImagesWereScaled"
+   type="alertmodal">
+One or more textures in this material were scaled to be within the allowed limits.
+Textures must have power of two dimensions and must not exceed [MAX_SIZE]x[MAX_SIZE] pixels.
+    <unique/>
+    <tag>confirm</tag>
+    <usetemplate
+     ignoretext="Warn if textures will be scaled during upload."
+     name="okignore"
+     yestext="OK"/>
+  </notification>
+
+  <notification
    icon="notifytip.tga"
    name="RezItemNoPermissions"
    type="notifytip">
@@ -9479,8 +9493,11 @@ Unable to upload texture: &apos;[NAME]&apos;
    icon="alertmodal.tga"
    name="CannotUploadMaterial"
    type="alertmodal">
-There was a problem uploading the file
+Unable to upload material file. The file may be corrupted, in an unsupported format, or contain invalid data. Please check that you're using a valid GLTF/GLB file with proper material definitions.
     <tag>fail</tag>
+    <usetemplate
+     name="okbutton"
+     yestext="OK"/>
   </notification>
 
   <notification
@@ -12645,4 +12662,15 @@ are wearing now.
     Unable to apply material to the water exclusion surface.
     <tag>fail</tag>
   </notification>
+
+  <notification
+   icon="notify.tga"
+   name="ImageUploadResized"
+   type="alertmodal">
+      The texture you are uploading has been resized from [ORIGINAL_WIDTH]x[ORIGINAL_HEIGHT] to [NEW_WIDTH]x[NEW_HEIGHT] in order to to fit the maximum size of [MAX_WIDTH]x[MAX_HEIGHT] pixels.
+      <usetemplate
+          ignoretext="Image Upload Resized"
+          name="okignore"
+          yestext="OK"/>
+  </notification>
 </notifications>
diff --git a/indra/newview/skins/default/xui/en/panel_login_first.xml b/indra/newview/skins/default/xui/en/panel_login_first.xml
deleted file mode 100644
index d6ac71db94..0000000000
--- a/indra/newview/skins/default/xui/en/panel_login_first.xml
+++ /dev/null
@@ -1,262 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel
-  follows="all"
-  height="768"
-  layout="topleft"
-  name="panel_login"
-  focus_root="true"
-  background_visible="true"
-  bg_opaque_color="0.16 0.16 0.16 1"
-  background_opaque="true"
-  width="1024">
-  <panel.string
-    name="forgot_password_url">
-    http://secondlife.com/account/request.php
-  </panel.string>
-  <panel.string
-    name="sign_up_url">
-    https://join.secondlife.com/
-  </panel.string>
-  <layout_stack
-    follows="left|right|top|bottom"
-    width="1024"
-    height="768"
-    left="0"
-    name="logo_stack"
-    orientation="vertical"
-    top="0">
-    <layout_panel
-      height="18"
-      auto_resize="false"
-      name="page_top"
-      width="1024" />
-    <!-- start of logo stack -->
-    <layout_panel
-      height="130"
-      min_height="10"
-      auto_resize="false"
-      name="parent_panel"
-      width="1024">
-      <layout_stack
-        follows="left|right|top|bottom"
-        height="100"
-        left="0"
-        name="logo_stack"
-        orientation="horizontal"
-        top="0"
-        width="1024">
-        <layout_panel
-          height="110"
-          min_height="10"
-          auto_resize="true"
-          name="logo_left"
-          width="300" />
-        <layout_panel
-          auto_resize="false"
-          follows="left|right|top"
-          name="logo_container"
-          width="225"
-          left="0"
-          top="0"
-          height="105">
-          <icon
-            height="94"
-            image_name="login_sl_logo"
-            left="0"
-            name="sl_logo"
-            top="0" />
-        </layout_panel>
-        <layout_panel
-          height="100"
-          name="logo_right"
-          auto_resize="true"
-          width="300" />
-      </layout_stack>
-    </layout_panel>
-    <!-- end of logo stack -->
-    <!-- start of widget stack -->
-    <layout_panel
-      height="100"
-      min_height="10"
-      auto_resize="false"
-      name="parent_panel2"
-      width="1024">
-      <layout_stack
-        follows="left|right|top|bottom"
-        height="80"
-        left="0"
-        name="widget_stack"
-        orientation="horizontal"
-        top="0"
-        width="1024">
-        <layout_panel
-          height="80"
-          min_height="10"
-          auto_resize="true"
-          name="widget_left"
-          width="200" />
-        <layout_panel
-          auto_resize="false"
-          follows="left|right|top"
-          name="widget_container"
-          width="730"
-          left="0"
-          top="0"
-          height="80">
-          <combo_box
-            allow_text_entry="true"
-            follows="left|bottom"
-            height="32"
-            left="42"
-            label="Username"
-            combo_editor.font="SansSerifLarge"
-            max_chars="128"
-            top="0"
-            combo_editor.prevalidator="ascii"
-            tool_tip="The username you chose when you registered, like bobsmith12 or Steller Sunshine"
-            name="username_combo"
-            width="232">
-            <combo_box.combo_editor
-                text_pad_left="8" />
-            <combo_box.combo_button
-                visible ="false"/>
-              <combo_box.drop_down_button
-                visible ="false"/>
-          </combo_box>
-          <line_editor
-            follows="left|top"
-            width="200"
-            height="32"
-            left="262"
-            max_length_chars="16"
-            name="password_edit"
-            label="Password"
-            text_pad_left="8"
-            font="SansSerifLarge"
-            is_password="true"
-            select_on_focus="true"
-            commit_on_focus_lost="false"
-            top="0" />
-          <button
-            follows="left|top"
-            image_unselected="PushButton_Login"
-            image_pressed="PushButton_Login_Pressed"
-            image_hover_unselected="PushButton_Login_Over"
-            label="Log In"
-            label_color="White"
-            font="SansSerifLarge"
-            name="connect_btn"
-  	        left_pad="15"
-            width="120"
-            height="32"
-            top="0" />
-          <text
-            follows="left|top"
-            font="SansSerifLarge"
-            font.style="BOLD"
-            text_color="EmphasisColor"
-            height="34"
-            name="sign_up_text"
-            left_pad="10"
-            top="0"
-            width="200"
-            valign="center">
-            Sign up
-          </text>
-          <check_box
-            follows="left|top"
-            font="SansSerifLarge"
-            left="42"
-            top="32"
-            height="24"
-            label="Remember me"
-            word_wrap="down"
-            check_button.bottom="3"
-            name="remember_name"
-            tool_tip="Already remembered user can be forgotten from Me &gt; Preferences &gt; Advanced &gt; Remembered Usernames."
-            width="198" />
-          <check_box
-            control_name="RememberPassword"
-            follows="left|top"
-            font="SansSerifLarge"
-            height="24"
-            left="262"
-            bottom_delta="0"
-            label="Remember password"
-            word_wrap="down"
-            check_button.bottom="3"
-            name="remember_password"
-            width="198" />
-          <text
-            follows="left|top"
-            font="SansSerifLarge"
-            text_color="EmphasisColor"
-            height="16"
-            name="forgot_password_text"
-            left="492"
-            top="34"
-            width="200">
-            Forgotten password
-          </text>
-        </layout_panel>
-        <layout_panel
-          height="100"
-          name="widget_right"
-          auto_resize="true"
-          width="200" />
-      </layout_stack>
-    </layout_panel>
-    <!-- end of widget stack -->
-    <!-- start of images stack -->
-    <layout_panel
-      height="500"
-      min_height="10"
-      auto_resize="false"
-      name="parent_panel3"
-      width="1024">
-      <layout_stack
-        follows="left|right|top|bottom"
-        height="500"
-        left="0"
-        name="images_stack"
-        orientation="horizontal"
-        top="0"
-        width="1024">
-        <layout_panel
-          height="500"
-          min_height="10"
-          auto_resize="true"
-          name="images_left"
-          width="96" />
-        <layout_panel
-          auto_resize="false"
-          follows="left|right|top"
-          name="images_container"
-          width="675"
-          left="0"
-          top="0"
-          height="500">
-          <icon
-            height="450"
-            width="675"
-            image_name="first_login_image"
-            left="0"
-            name="image_left"
-            top="0" />
-        </layout_panel>
-        <layout_panel
-          height="100"
-          name="images_right"
-          auto_resize="true"
-          width="96" />
-      </layout_stack>
-    </layout_panel>
-    <!-- end of images stack -->
-    <layout_panel
-      height="400"
-      min_height="10"
-      auto_resize="true"
-      name="page_bottom"
-      width="1024" />
-  </layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_advanced.xml b/indra/newview/skins/default/xui/en/panel_preferences_advanced.xml
index 8051ffa8ec..86999b1afb 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_advanced.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_advanced.xml
@@ -32,15 +32,15 @@
    height="23"
    increment="64"
    initial_value="1024"
-   label="Cache size (256 - 9984MB)"
+   label="Cache size (896 - 32768MB)"
    label_width="150"
    layout="topleft"
    left="80"
-   max_val="9984"
-   min_val="256"
+   max_val="32768"
+   min_val="896"
    top_pad="10"
    name="cachesizespinner"
-   width="200" />
+   width="210" />
   <text
    type="string"
    length="1"
@@ -59,7 +59,7 @@
    label="Clear Cache"
    label_selected="Clear Cache"
    layout="topleft"
-   left_pad="30"
+   left_pad="20"
    name="clear_cache"
    top_delta="0"
    width="100">
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_privacy.xml b/indra/newview/skins/default/xui/en/panel_preferences_privacy.xml
index 5041fb4878..1c00837073 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_privacy.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_privacy.xml
@@ -1,15 +1,31 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel
+  <panel
     border="true"
     follows="left|top|right|bottom"
-    height="408"
-    label="Communication"
+    height="438"
+    label="Privacy"
     layout="topleft"
     left="102"
-    name="im"
+    name="Privacy panel"
     top="1"
     width="517">
 
+  <tab_container
+    top_pad="0"
+    enabled="true"
+    follows="left|top"
+    height="430"
+    width="517"
+    left_delta="0"
+    name="privacy_tab_container"
+    tab_position="top"
+    tab_stop="false">
+  <panel
+    label="General"
+    name="privacy_preferences_general"
+    layout="topleft"
+    follows="top|left">
+
   <panel.string
       name="log_in_to_change">
     log in to change
@@ -63,7 +79,7 @@
       name="online_visibility"
       top_pad="30"
       width="350" />
-    
+
     <check_box
      enabled_control="EnableVoiceChat"
      control_name="AutoDisengageMic"
@@ -74,6 +90,37 @@
      name="auto_disengage_mic_check"
      top_pad="10"
      width="350" />
+    <check_box
+     control_name="EnableLookAtTarget"
+     height="16"
+     label="Enable LookAt"
+     tool_tip="Enable tracking cursor position with avatar head's rotation"
+     layout="topleft"
+     left="30"
+     name="enable_lookat_target"
+     top_pad="10"
+     width="350" />
+    <check_box
+     enabled_control="EnableLookAtTarget"
+     control_name="LimitLookAtTarget"
+     height="16"
+     label="Limit LookAt Distance"
+     tool_tip="Limit the look at target's distance by restricting it around the avatar's head"
+     layout="topleft"
+     left="50"
+     name="limit_lookat_distance"
+     top_pad="10"
+     width="350" />
+    <check_box
+     control_name="EnableSelectionHints"
+     height="16"
+     label="Enable Selection Hints"
+     tool_tip="Enable reporting and tracking current selection using 'beam' particles and character animations"
+     layout="topleft"
+     left="30"
+     name="enable_selection_hints"
+     top_pad="10"
+     width="350" />
     <button
      follows="left|top"
      height="23"
@@ -103,3 +150,48 @@
        (People and/or Objects you have blocked)
     </text>
     </panel>
+
+    <panel
+      label="Discord"
+      name="privacy_preferences_discord"
+      layout="topleft"
+      follows="top|left">
+
+      <check_box
+        control_name="EnableDiscord"
+        height="16"
+        enabled="true"
+        label="Enable Discord integration"
+        layout="topleft"
+        left="30"
+        name="enable_discord"
+        top_pad="20"
+        width="350" />
+
+      <check_box
+        enabled_control="EnableDiscord"
+        control_name="ShowDiscordActivityDetails"
+        height="16"
+        enabled="true"
+        label="Show avatar name"
+        layout="topleft"
+        left="30"
+        name="show_name"
+        top_pad="20"
+        width="350" />
+
+      <check_box
+        enabled_control="EnableDiscord"
+        control_name="ShowDiscordActivityState"
+        height="16"
+        enabled="false"
+        label="Show location"
+        layout="topleft"
+        left="30"
+        name="show_location"
+        top_pad="20"
+        width="350" />
+      </panel>
+  </tab_container>
+
+</panel>
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_sound.xml b/indra/newview/skins/default/xui/en/panel_preferences_sound.xml
index d909a56733..52413abe74 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_sound.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_sound.xml
@@ -62,20 +62,9 @@
      name="mute_when_minimized"
 	   top_delta="3"
      left_pad="5"
-     width="20" />
-     <!-- *HACK 
-     	After storm-1109 will be fixed: instead of using this text_box, word_wrap should be applied for "mute_when_minimized" check_box's label.-->
-     <text
-      follows="top|left"
-      height="15"
-      layout="topleft"
-      left_pad="0"
-      name="mute_chb_label"
-      top_delta="-1"
-      width="150"
-      wrap="true">
-      Mute when minimized
-     </text>
+     width="20"
+     label="Mute when minimized"
+     word_wrap="true"/>
 	<slider
 		control_name="AudioLevelUI"
 		disabled_control="MuteAudio"
@@ -321,66 +310,45 @@
 		left_pad="5"
 		name="enable_voice_check"
 		width="110"/>
-	<!-- -->
   <text
    type="string"
    length="1"
    follows="left|top"
    layout="topleft"
    left="23"
-   top_delta="22"
+   top_delta="25"
    name="Listen media from"
    height="15"
-   word_wrap="true"
-   width="112">
-      Hear media and sounds from:
+   width="165"
+   halign="right">
+      Hear media and sounds from
   </text>
-  <radio_group
+  <combo_box
    control_name="MediaSoundsEarLocation"
    follows="left|top"
-   top_delta="-6"
    layout="topleft"
-   left_pad="10"
-   width="360"
-   height="40"
-   name="media_ear_location">
-      <radio_item
-       height="19"
-       label="Camera position"
-       follows="left|top"
-       layout="topleft"
-       name="0"
-       width="200"/>
-      <radio_item
-       height="19"
-       follows="left|top"
-       label="Avatar position"
-       layout="topleft"
-       left_delta="0"
-       name="1"
-       top_delta ="18"
-       width="200" />
-  </radio_group>  
- 	<check_box
-    name="media_show_on_others_btn"
-    control_name="MediaShowOnOthers"
-    value="true"
-    follows="left|top"
-    layout="topleft" 
-    height="15"
-    top_pad="8"
-    tool_tip="Uncheck this to hide media attached to other avatars nearby"
-    label="Play media attached to other avatars"
-    left="20"
-    width="230"/>
+   left_pad="5"
+   width="130"
+   height="23"
+   top_delta="-4"
+   name="media_ear_location_combo">
+   <item
+      label="Camera position"
+      name="camera_position"
+      value="0" />
+   <item
+      label="Avatar position"
+      name="avatar_position"
+      value="1" />
+</combo_box>
   <text
    follows="left|top"
    layout="topleft"
    height="15"
    left="23"
-   top_pad="8"
-   width="120"
-   name="media_autoplay_label">
+   width="165"
+   name="media_autoplay_label"
+   halign="right">
     Auto-play media
   </text>
   <combo_box
@@ -389,10 +357,10 @@
         follows="left|top"
         layout="topleft"
         height="23"
-        left_pad="-15"
+        left_delta="170"
         top_delta="-4"
         name="media_auto_play_combo"
-        width="115">
+        width="130">
     <item
         label="Never"
         name="autoplay_disabled"
@@ -406,23 +374,106 @@
         name="autoplay_ask"
         value="2"/>
   </combo_box>
+    <text
+        follows="left|top"
+        layout="topleft"
+        height="15"
+        left="23"
+        width="165"
+        name="media_firstinteract_label"
+        halign="right">
+            Media first-interact
+    </text>
+    <combo_box
+    control_name="MediaFirstClickInteract"
+    enabled_control="AudioStreamingMedia"
+    follows="left|top"
+    layout="topleft"
+    height="23"
+    left_delta="170"
+    top_delta="-4"
+    width="130"
+    name="media_first_interact_combo"
+    tool_tip="This setting controls which media (once loaded) does not require a first click to focus before interaction can begin. This allows clicks to be passed directly to media bypassing the focus click requirement. Each option also inherits the previous ones.">
+        <item
+            label="Disabled"
+            name="media_first_click_none"
+            value="0"/>
+        <item
+            label="Worn HUDs only"
+            name="media_first_click_hud"
+            value="1"/>
+        <item
+            label="Owned objects"
+            name="media_first_click_own"
+            value="3"/>
+        <item
+            label="Friends' objects"
+            name="media_first_click_friend"
+            value="7"/>
+        <item
+            label="Group objects"
+            name="media_first_click_group"
+            value="15"/>
+        <item
+            label="Landowner objects"
+            name="media_first_click_land"
+            value="31"/>
+        <item
+            label="Anyone's objects"
+            name="media_first_interact_any"
+            value="32767"/>
+        <item
+            label="All MOAP"
+            name="media_first_click_all"
+            value="65535"/>
+    </combo_box>
+   <check_box
+    name="media_show_on_others_btn"
+    control_name="MediaShowOnOthers"
+    enabled_control="AudioStreamingMedia"
+    value="true"
+    follows="left|top"
+    tool_tip="Uncheck this to hide media attached to other avatars nearby"
+    label="Play media attached to other avatars"
+    left="23"
+    width="15"
+    top_delta="30"
+    height="15"/>
+  <check_box
+    name="media_huds_autoplay"
+    control_name="MediaAutoPlayHuds"
+    enabled_control="AudioStreamingMedia"
+    value="true"
+    follows="left|top"
+    layout="topleft"
+    tool_tip="Uncheck this to make HUDs follow the standard media auto-play setting"
+    label="Auto-play media attached to your HUD"
+    left="260"
+    top_pad="-15"
+    width="15"
+    height="15"/>
   <text
    layout="topleft"
+   follows="left"
    height="15"
-   left="260"
-   top_pad="-18"
-   width="100"
-   name="noise_suppression_label">
-     Noise Suppression
+   width="165"
+   name="noise_suppression_label"
+   left="23"
+   top_delta="22"
+   halign="right">
+     Microphone Noise Suppression
   </text>
   <combo_box
    control_name="VoiceNoiseSuppressionLevel"
+   enabled_control="EnableVoiceChat"
+   follows="left|top"
    layout="topleft"
+   left_delta="170"
+   top_delta="-6"
+   width="130"
    height="23"
-   left_pad="10"
-   top_pad="-20"
-   name="noise_suppression_combo"
-   width="80">
+   name="noise_suppression_combo">
     <item
      label="Off"
      name="noise_suppression_none"
@@ -452,48 +503,44 @@
    left="23"
    top_delta="30"
    name="Listen from"
-   width="112">
-     Hear voice from:
+   width="165"
+   height="15"
+   halign="right">
+     Hear voice from
   </text>
-  <radio_group
+  <combo_box
    enabled_control="EnableVoiceChat"
    control_name="VoiceEarLocation"
    follows="left|top"
    layout="topleft"
-   left_pad="10"
+   left_delta="170"
    top_delta="-6"
-   width="360"
-   height="40"
-   name="ear_location">
-   <radio_item
-    height="19"
-    label="Camera position"
-    follows="left|top"
-    layout="topleft"
-    name="0"
-    width="200"/>
-   <radio_item
-    height="19"
-    follows="left|top"
-    label="Avatar position"
-    layout="topleft"
-    left_delta="0"
-    name="1"
-    top_delta ="18" 
-    width="200" />
-  </radio_group>
+   width="130"
+   height="23"
+   name="ear_location_combo">
+   <item
+      label="Camera position"
+      name="camera_position"
+      value="0" />
+   <item
+      label="Avatar position"
+      name="avatar_position"
+      value="1" />
+</combo_box>
   <check_box
    control_name="LipSyncEnabled"
+   enabled_control="EnableVoiceChat"
    follows="left|top"
    height="15"
    label="Move avatar lips when speaking"
    layout="topleft"
    left="20"
    name="enable_lip_sync"
-   top_pad="10" 
+   top_pad="8"
    width="237"/>
   <check_box
    control_name="VoiceEchoCancellation"
+   enabled_control="EnableVoiceChat"
    height="15"
    tool_tip="Check to enable voice echo cancellation"
    label="Echo Cancellation"
@@ -516,6 +563,7 @@
    top_pad="5"/>
   <check_box
    control_name="VoiceAutomaticGainControl"
+   enabled_control="EnableVoiceChat"
    height="15"
    tool_tip="Check to enable automatic gain control"
    label="Automatic Gain Control"
@@ -537,6 +585,7 @@
    left="20"/>
   <check_box
    control_name="VoiceVisualizerEnabled"
+   enabled_control="EnableVoiceChat"
    height="15"
    tool_tip="Check to show voice dot indicator above avatars"
    label="Show voice dot above avatars"
@@ -547,6 +596,7 @@
    width="200"/>
   <button
    control_name="ShowDeviceSettings"
+   enabled_control="EnableVoiceChat"
    follows="left|top"
    height="23"
    is_toggle="true"
diff --git a/indra/newview/skins/default/xui/en/panel_profile_pick.xml b/indra/newview/skins/default/xui/en/panel_profile_pick.xml
index 024120931f..4f441b9b49 100644
--- a/indra/newview/skins/default/xui/en/panel_profile_pick.xml
+++ b/indra/newview/skins/default/xui/en/panel_profile_pick.xml
@@ -200,6 +200,26 @@
 
         <layout_panel
          follows="all"
+         layout="bottomleft"
+         left_pad="2"
+         name="set_to_curr_location_btn_lp"
+         auto_resize="false"
+         width="100">
+          <button
+           name="set_to_curr_location_btn"
+           label="Set Location"
+           tool_tip="Set to Current Location"
+           left="0"
+           top="0"
+           height="23"
+           width="100"
+           follows="left|top"
+           layout="topleft"
+          />
+        </layout_panel>
+
+        <layout_panel
+         follows="all"
          layout="topleft"
          name="util_resizer_right"
          auto_resize="true"
diff --git a/indra/newview/skins/default/xui/en/panel_status_bar.xml b/indra/newview/skins/default/xui/en/panel_status_bar.xml
index 4501e0df3a..cf52916484 100644
--- a/indra/newview/skins/default/xui/en/panel_status_bar.xml
+++ b/indra/newview/skins/default/xui/en/panel_status_bar.xml
@@ -86,7 +86,7 @@
      height="18"
      left="0" 
      name="balance"
-     tool_tip="Click to refresh your L$ balance"
+     tool_tip="L$ [AMT]&#10;Click to refresh your L$ balance.&#10;Double-click to display or hide your L$ balance."
      v_pad="4"
      top="0"
      wrap="false" 
diff --git a/indra/newview/skins/default/xui/en/panel_tools_texture.xml b/indra/newview/skins/default/xui/en/panel_tools_texture.xml
index b7db9dec96..1c70383bf9 100644
--- a/indra/newview/skins/default/xui/en/panel_tools_texture.xml
+++ b/indra/newview/skins/default/xui/en/panel_tools_texture.xml
@@ -986,6 +986,19 @@
              name="gltfTextureScaleV"
              width="265" />
             <spinner
+             decimal_digits="1"
+             follows="left|top"
+             height="19"
+             initial_value=""
+			 label="Repeats per meter"
+             layout="topleft"
+			 label_width="205"
+             left="10"
+             max_val="100"
+             min_val="-100"
+             name="gltfRptctrl"
+             width="265" />
+            <spinner
              follows="left|top"
              height="19"
              initial_value="0"
diff --git a/indra/newview/skins/default/xui/en/strings.xml b/indra/newview/skins/default/xui/en/strings.xml
index bb8c8d6baf..21db7eba47 100644
--- a/indra/newview/skins/default/xui/en/strings.xml
+++ b/indra/newview/skins/default/xui/en/strings.xml
@@ -4187,7 +4187,7 @@ Try enclosing path to the editor with double quotes.
 name="Command_360_Capture_Label">360 snapshot</string>
   <string name="Command_AboutLand_Label">About land</string>
   <string name="Command_Appearance_Label">Outfits</string>
-  <string name="Command_Avatar_Label">Complete avatars</string>
+  <string name="Command_Avatar_Label">Avatar Welcome Pack</string>
   <string name="Command_Build_Label">Build</string>
   <string name="Command_Chat_Label">Chat</string>
   <string name="Command_Conversations_Label">Conversations</string>
diff --git a/indra/newview/skins/default/xui/es/panel_login_first.xml b/indra/newview/skins/default/xui/es/panel_login_first.xml
deleted file mode 100644
index ccb6858351..0000000000
--- a/indra/newview/skins/default/xui/es/panel_login_first.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<panel name="panel_login">
-	<panel.string name="forgot_password_url">
-		http://secondlife.com/account/request.php?lang=es
-	</panel.string>
-	<panel.string name="sign_up_url">
-		https://join.secondlife.com/
-	</panel.string>
-	<layout_stack name="logo_stack">
-		<layout_panel name="parent_panel2">
-			<layout_stack name="widget_stack">
-				<layout_panel name="widget_container">
-					<combo_box label="Nombre de usuario" name="username_combo" tool_tip="El nombre de usuario que elegiste al registrarte, como bobsmith12 o Steller Sunshine"/>
-					<line_editor label="Contraseña" name="password_edit"/>
-					<button label="Iniciar sesión" name="connect_btn"/>
-					<check_box label="Recordarme" name="remember_check"/>
-					<text name="forgot_password_text">
-						Contraseña olvidada
-					</text>
-					<text name="sign_up_text">
-						Regístrate
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel3">
-			<layout_stack name="images_stack">
-				<layout_panel name="images_container">
-					<text name="image_caption_left">
-						Tu primer destino es la Isla de aprendizaje. ¡Encuentra el portal de salida!
-					</text>
-					<text name="image_caption_right">
-						A continuación, puedes explorar la Isla social y hablar con otros residentes nuevos.
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-	</layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/fr/panel_login_first.xml b/indra/newview/skins/default/xui/fr/panel_login_first.xml
deleted file mode 100644
index 8f40d0230c..0000000000
--- a/indra/newview/skins/default/xui/fr/panel_login_first.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<panel name="panel_login">
-	<panel.string name="forgot_password_url">
-		http://secondlife.com/account/request.php?lang=fr
-	</panel.string>
-	<panel.string name="sign_up_url">
-		https://join.secondlife.com/
-	</panel.string>
-	<layout_stack name="logo_stack">
-		<layout_panel name="parent_panel2">
-			<layout_stack name="widget_stack">
-				<layout_panel name="widget_container">
-					<combo_box label="Nom d&apos;utilisateur" name="username_combo" tool_tip="Nom d&apos;utilisateur que vous avez choisi lors de votre inscription (par exemple, bobsmith12 ou Steller Sunshine)."/>
-					<line_editor label="Mot de passe" name="password_edit"/>
-					<button label="Connexion" name="connect_btn"/>
-					<check_box font="SansSerifSmall" label="Mémoriser mes informations" name="remember_check"/>
-					<text name="forgot_password_text">
-						Mot de passe oublié
-					</text>
-					<text name="sign_up_text">
-						S&apos;inscrire
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel3">
-			<layout_stack name="images_stack">
-				<layout_panel name="images_container">
-					<text name="image_caption_left">
-						Votre première étape est Learning Island. Trouvez le portail de sortie.
-					</text>
-					<text name="image_caption_right">
-						Puis explorez Social Island et faites la connaissance d&apos;autres résidents.
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-	</layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/it/panel_login_first.xml b/indra/newview/skins/default/xui/it/panel_login_first.xml
deleted file mode 100644
index 5b04fd411a..0000000000
--- a/indra/newview/skins/default/xui/it/panel_login_first.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<panel name="panel_login">
-	<panel.string name="forgot_password_url">
-		http://secondlife.com/account/request.php?lang=it
-	</panel.string>
-	<panel.string name="sign_up_url">
-		http://join.secondlife.com/
-	</panel.string>
-	<layout_stack name="logo_stack">
-		<layout_panel name="parent_panel2">
-			<layout_stack name="widget_stack">
-				<layout_panel name="widget_container">
-					<combo_box label="Nome utente" name="username_combo" tool_tip="Il nome utente che hai scelto durante la registrazione, come roby12 o Stella Solare"/>
-					<line_editor label="Password" name="password_edit"/>
-					<button label="Accedi" name="connect_btn"/>
-					<check_box label="Ricordami" name="remember_check"/>
-					<text name="forgot_password_text">
-						Password dimenticata
-					</text>
-					<text name="sign_up_text">
-						Registrati
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel3">
-			<layout_stack name="images_stack">
-				<layout_panel name="images_container">
-					<text name="image_caption_left">
-						Il primo passo è a Learning Island. Trova il portale di uscita!
-					</text>
-					<text name="image_caption_right">
-						Quindi esplora Social Island e incontra altri nuovi residenti.
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-	</layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/ja/panel_login_first.xml b/indra/newview/skins/default/xui/ja/panel_login_first.xml
deleted file mode 100644
index 0f987fc816..0000000000
--- a/indra/newview/skins/default/xui/ja/panel_login_first.xml
+++ /dev/null
@@ -1,54 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="panel_login">
-	<panel.string name="forgot_password_url">
-		https://secondlife.com/my/account/request.php?lang=ja-JP
-	</panel.string>
-	<panel.string name="sign_up_url">
-		https://join.secondlife.com/?lang=ja
-	</panel.string>
-	<layout_stack name="logo_stack">
-		<layout_panel name="page_top"/>
-		<layout_panel name="parent_panel">
-			<layout_stack name="logo_stack">
-				<layout_panel name="logo_left"/>
-				<layout_panel name="logo_container">
-					<icon name="sl_logo"/>
-				</layout_panel>
-				<layout_panel auto_resize="true"/>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel2">
-			<layout_stack name="widget_stack">
-				<layout_panel name="widget_left"/>
-				<layout_panel name="widget_container">
-					<combo_box label="ユーザ名" tool_tip="登録時に自分で選んだユーザー名（例：bobsmith12、Steller Sunshineなど）" name="username_combo">
-						<combo_box.combo_editor/>
-						<combo_box.combo_button/>
-						<combo_box.drop_down_button/>
-					</combo_box>
-					<line_editor name="password_edit" label="パスワード"/>
-					<button label="ログイン" name="connect_btn"/>
-					<text name="sign_up_text" valign="center">
-						サインアップ
-					</text>
-					<check_box label="ユーザ名を記憶" name="remember_name" tool_tip="すでに記憶されているユーザーは、「私」＞「初期設定」＞「詳細設定」＞「記憶されたユーザー名」から削除できます。"/>
-					<check_box label="パスワード記憶" name="remember_password"/>
-					<text name="forgot_password_text">
-						パスワードを忘れましたか？
-					</text>
-				</layout_panel>
-				<layout_panel name="widget_right"/>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel3">
-			<layout_stack name="images_stack">
-				<layout_panel name="images_left"/>
-				<layout_panel name="images_container">
-					<icon name="image_left"/>
-				</layout_panel>
-				<layout_panel name="images_right"/>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="page_bottom"/>
-	</layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/pl/panel_login_first.xml b/indra/newview/skins/default/xui/pl/panel_login_first.xml
deleted file mode 100644
index 0604ecbcff..0000000000
--- a/indra/newview/skins/default/xui/pl/panel_login_first.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<panel name="panel_login">
-	<layout_stack name="logo_stack">
-		<layout_panel name="parent_panel2">
-			<layout_stack name="widget_stack">
-				<layout_panel name="widget_container">
-					<combo_box label="Użytkownik" tool_tip="Nazwa użytkownika wybrana przy rejestracji, np. bobsmith12 lub Steller Sunshine" name="username_combo" />
-					<line_editor name="password_edit" label="Hasło" />
-					<button label="Zaloguj" name="connect_btn" />
-					<check_box label="Zapamiętaj mnie" name="remember_check" />
-					<text name="forgot_password_text">
-						Zapomniałem/am hasła
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel3">
-			<layout_stack name="images_stack">
-				<layout_panel name="images_container">
-					<text name="image_caption_left">
-						Wyspa Nauki to Twój pierwszy krok. Znajdź portal z wyjściem!
-					</text>
-					<text name="image_caption_right">
-						Potem zwiedź Wyspę Towarzyską i poznaj innych nowych rezydentów!
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-	</layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/pt/panel_login_first.xml b/indra/newview/skins/default/xui/pt/panel_login_first.xml
deleted file mode 100644
index 86c61163bc..0000000000
--- a/indra/newview/skins/default/xui/pt/panel_login_first.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<panel name="panel_login">
-	<panel.string name="forgot_password_url">
-		http://secondlife.com/account/request.php?lang=pt
-	</panel.string>
-	<panel.string name="sign_up_url">
-		https://join.secondlife.com/
-	</panel.string>
-	<layout_stack name="logo_stack">
-		<layout_panel name="parent_panel2">
-			<layout_stack name="widget_stack">
-				<layout_panel name="widget_container">
-					<combo_box label="Nome de usuário" name="username_combo" tool_tip="O nome de usuário que você escolheu ao fazer seu cadastro, como zecazc12 ou Magia Solar"/>
-					<line_editor label="Senha" name="password_edit"/>
-					<button label="Login" name="connect_btn"/>
-					<check_box label="Lembrar-me" name="remember_check"/>
-					<text name="forgot_password_text">
-						Senha esquecida
-					</text>
-					<text name="sign_up_text">
-						Cadastre-se
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel3">
-			<layout_stack name="images_stack">
-				<layout_panel name="images_container">
-					<text name="image_caption_left">
-						Sua primeira parada é a Ilha da Educação. Encontre o portal de saída!
-					</text>
-					<text name="image_caption_right">
-						Em seguida, explore a Ilha Social e encontre novos residentes!
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-	</layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/ru/panel_login_first.xml b/indra/newview/skins/default/xui/ru/panel_login_first.xml
deleted file mode 100644
index 5db81ea7ca..0000000000
--- a/indra/newview/skins/default/xui/ru/panel_login_first.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<panel name="panel_login">
-	<panel.string name="forgot_password_url">
-		http://secondlife.com/account/request.php
-	</panel.string>
-	<panel.string name="sign_up_url">
-		https://join.secondlife.com/
-	</panel.string>
-	<layout_stack name="logo_stack">
-		<layout_panel name="parent_panel2">
-			<layout_stack name="widget_stack">
-				<layout_panel name="widget_container">
-					<combo_box label="Имя пользователя" name="username_combo" tool_tip="Имя пользователя, которое вы выбрали при регистрации, например, «bobsmith12» или «Steller Sunshine»"/>
-					<line_editor label="Пароль" name="password_edit"/>
-					<button label="Войти" name="connect_btn"/>
-					<check_box label="Запомнить меня" name="remember_check"/>
-					<text name="forgot_password_text">
-						Забытый пароль
-					</text>
-					<text name="sign_up_text">
-						Регистрация
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel3">
-			<layout_stack name="images_stack">
-				<layout_panel name="images_container">
-					<text name="image_caption_left">
-						Ваш первый шаг – Учебный остров. Найдите портал выхода!
-					</text>
-					<text name="image_caption_right">
-						Затем исследуйте Социальный остров и познакомьтесь с другими новичками!
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-	</layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/tr/panel_login_first.xml b/indra/newview/skins/default/xui/tr/panel_login_first.xml
deleted file mode 100644
index 1fc80c2b97..0000000000
--- a/indra/newview/skins/default/xui/tr/panel_login_first.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<panel name="panel_login">
-	<panel.string name="forgot_password_url">
-		http://secondlife.com/account/request.php
-	</panel.string>
-	<panel.string name="sign_up_url">
-		https://join.secondlife.com/
-	</panel.string>
-	<layout_stack name="logo_stack">
-		<layout_panel name="parent_panel2">
-			<layout_stack name="widget_stack">
-				<layout_panel name="widget_container">
-					<combo_box label="Kullanıcı Adı" name="username_combo" tool_tip="Kaydolduğunuzda seçtiğiniz kullanıcı adı, örn. mustafayalcin12 veya Faruk Gungoren"/>
-					<line_editor label="Parola" name="password_edit"/>
-					<button label="Oturum Aç" name="connect_btn"/>
-					<check_box label="Beni hatırla" name="remember_check"/>
-					<text name="forgot_password_text">
-						Parolamı unuttum
-					</text>
-					<text name="sign_up_text">
-						Kaydol
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel3">
-			<layout_stack name="images_stack">
-				<layout_panel name="images_container">
-					<text name="image_caption_left">
-						Başlangıç yeriniz Eğitim Adası. Haydi çıkış portalını bulun!
-					</text>
-					<text name="image_caption_right">
-						Sonra da Sosyal Ada&apos;yı keşfe çıkın ve diğer LS sakinleriyle tanışın!
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-	</layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/zh/panel_login_first.xml b/indra/newview/skins/default/xui/zh/panel_login_first.xml
deleted file mode 100644
index 4d72fcdd03..0000000000
--- a/indra/newview/skins/default/xui/zh/panel_login_first.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<panel name="panel_login">
-	<panel.string name="forgot_password_url">
-		http://secondlife.com/account/request.php
-	</panel.string>
-	<panel.string name="sign_up_url">
-		http://join.secondlife.com/
-	</panel.string>
-	<layout_stack name="logo_stack">
-		<layout_panel name="parent_panel2">
-			<layout_stack name="widget_stack">
-				<layout_panel name="widget_container">
-					<combo_box label="使用者名稱" name="username_combo" tool_tip="使用者名稱是你註冊時所挑選的，例如 bobsmith12 或 Steller Sunshine"/>
-					<line_editor label="密碼" name="password_edit"/>
-					<button label="登入" name="connect_btn"/>
-					<check_box label="記得我" name="remember_check"/>
-					<text name="forgot_password_text">
-						忘記密碼
-					</text>
-					<text name="sign_up_text">
-						註冊
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-		<layout_panel name="parent_panel3">
-			<layout_stack name="images_stack">
-				<layout_panel name="images_container">
-					<text name="image_caption_left">
-						你在「學習島」的第一步。 找到離開的傳送門！
-					</text>
-					<text name="image_caption_right">
-						接著，到「社交島」探索，認識新的居民朋友！
-					</text>
-				</layout_panel>
-			</layout_stack>
-		</layout_panel>
-	</layout_stack>
-</panel>
diff --git a/indra/newview/tests/llviewerassetstats_test.cpp b/indra/newview/tests/llviewerassetstats_test.cpp
index d5e281bba8..10c68432a1 100644
--- a/indra/newview/tests/llviewerassetstats_test.cpp
+++ b/indra/newview/tests/llviewerassetstats_test.cpp
@@ -43,12 +43,15 @@ namespace LLStatViewer
     LLTrace::SampleStatHandle<>     FPS_SAMPLE("fpssample");
 }
 
-void LLVOAvatar::getNearbyRezzedStats(std::vector<S32>& counts, F32& avg_cloud_time, S32& cloud_avatars)
+void LLVOAvatar::getNearbyRezzedStats(std::vector<S32>& counts, F32& avg_cloud_time, S32& cloud_avatars, S32& pending_meshes, S32& control_avatars)
 {
     counts.resize(3);
     counts[0] = 0;
     counts[1] = 0;
     counts[2] = 1;
+    cloud_avatars = 0;
+    pending_meshes = 0;
+    control_avatars = 0;
 }
 
 // static
diff --git a/indra/newview/viewer_manifest.py b/indra/newview/viewer_manifest.py
index cada4a2cd6..04c3fea93a 100755
--- a/indra/newview/viewer_manifest.py
+++ b/indra/newview/viewer_manifest.py
@@ -149,7 +149,6 @@ class ViewerManifest(LLManifest):
             with self.prefix(src_dst="skins"):
                     # include the entire textures directory recursively
                     with self.prefix(src_dst="*/textures"):
-                            self.path("*/*.jpg")
                             self.path("*/*.png")
                             self.path("*.tga")
                             self.path("*.j2c")
@@ -557,6 +556,9 @@ class Windows_x86_64_Manifest(ViewerManifest):
             ):
                 self.path(libfile)
 
+            if self.args['discord'] == 'ON':
+                self.path("discord_partner_sdk.dll")
+
             if self.args['openal'] == 'ON':
                 # Get openal dll
                 self.path("OpenAL32.dll")
@@ -1019,6 +1021,13 @@ class Darwin_x86_64_Manifest(ViewerManifest):
                                 ):
                     self.path2basename(relpkgdir, libfile)
 
+                # Discord social SDK
+                if self.args['discord'] == 'ON':
+                    for libfile in (
+                                "libdiscord_partner_sdk.dylib",
+                                ):
+                        self.path2basename(relpkgdir, libfile)
+
                 # OpenAL dylibs
                 if self.args['openal'] == 'ON':
                     for libfile in (
@@ -1385,6 +1394,7 @@ if __name__ == "__main__":
     extra_arguments = [
         dict(name='bugsplat', description="""BugSplat database to which to post crashes,
              if BugSplat crash reporting is desired""", default=''),
+        dict(name='discord', description="""Indication discord social sdk libraries are needed""", default='OFF'),
         dict(name='openal', description="""Indication openal libraries are needed""", default='OFF'),
         dict(name='tracy', description="""Indication tracy profiler is enabled""", default='OFF'),
         ]