Merge tag 'Second_Life_Release#55f1c8b9-2025.06' into 2025.06

95 files changed, 1433 insertions, 1181 deletions

diff --git a/indra/cmake/Copy3rdPartyLibs.cmake b/indra/cmake/Copy3rdPartyLibs.cmake
index 6ac00fd131..0153e69d5b 100644
--- a/indra/cmake/Copy3rdPartyLibs.cmake
+++ b/indra/cmake/Copy3rdPartyLibs.cmake
@@ -6,6 +6,9 @@
 
 include(CMakeCopyIfDifferent)
 include(Linking)
+if (USE_DISCORD)
+  include(Discord)
+endif ()
 include(OPENAL)
 
 # When we copy our dependent libraries, we almost always want to copy them to
@@ -75,6 +78,10 @@ if(WINDOWS)
       endif(ADDRESS_SIZE EQUAL 32)
     endif (USE_BUGSPLAT)
 
+    if (TARGET ll::discord_sdk)
+        list(APPEND release_files discord_partner_sdk.dll)
+    endif ()
+
     if (TARGET ll::openal)
         list(APPEND release_files openal32.dll alut.dll)
     endif ()
@@ -180,6 +187,10 @@ elseif(DARWIN)
             )
     endif()
 
+    if (TARGET ll::discord_sdk)
+      list(APPEND release_files libdiscord_partner_sdk.dylib)
+    endif ()
+
     if (TARGET ll::openal)
       list(APPEND release_files libalut.dylib libopenal.dylib)
     endif ()
diff --git a/indra/cmake/Discord.cmake b/indra/cmake/Discord.cmake
index 52c0765ae7..1896c12853 100644
--- a/indra/cmake/Discord.cmake
+++ b/indra/cmake/Discord.cmake
@@ -1,18 +1,23 @@
 include(Prebuilt)
 
-add_library(ll::discord INTERFACE IMPORTED)
-target_compile_definitions(ll::discord INTERFACE LL_DISCORD=1)
+include_guard()
 
-if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/discord_installed OR NOT ${discord_installed} EQUAL 0)
+add_library(ll::discord_sdk INTERFACE IMPORTED)
+target_compile_definitions(ll::discord_sdk INTERFACE LL_DISCORD=1)
+
+#use_prebuilt_binary(discord_sdk)
+
+if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/discord_sdk_installed OR NOT ${discord_sdk_installed} EQUAL 0)
     file(ARCHIVE_EXTRACT
         INPUT $ENV{HOME}/Downloads/DiscordSocialSdk-1.4.9649.zip
         DESTINATION ${CMAKE_BINARY_DIR}
         )
+    file(MAKE_DIRECTORY ${LIBS_PREBUILT_DIR}/include/discord_sdk)
     file(
         COPY
           ${CMAKE_BINARY_DIR}/discord_social_sdk/include/cdiscord.h
           ${CMAKE_BINARY_DIR}/discord_social_sdk/include/discordpp.h
-        DESTINATION ${LIBS_PREBUILT_DIR}/include
+        DESTINATION ${LIBS_PREBUILT_DIR}/include/discord_sdk
         )
     if (WINDOWS)
         file(
@@ -38,8 +43,8 @@ if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKIN
             DESTINATION ${ARCH_PREBUILT_DIRS_RELEASE}
             )
     endif ()
-    file(WRITE ${PREBUILD_TRACKING_DIR}/discord_installed "0")
+    file(WRITE ${PREBUILD_TRACKING_DIR}/discord_sdk_installed "0")
 endif ()
 
-target_include_directories(ll::discord SYSTEM INTERFACE ${LIBS_PREBUILT_DIR}/include)
-target_link_libraries(ll::discord INTERFACE discord_partner_sdk)
+target_include_directories(ll::discord_sdk SYSTEM INTERFACE ${LIBS_PREBUILT_DIR}/include/discord_sdk)
+target_link_libraries(ll::discord_sdk INTERFACE discord_partner_sdk)
diff --git a/indra/llinventory/llinventory.cpp b/indra/llinventory/llinventory.cpp
index fe60800700..3defad8f3b 100644
--- a/indra/llinventory/llinventory.cpp
+++ b/indra/llinventory/llinventory.cpp
@@ -995,6 +995,7 @@ bool LLInventoryItem::fromLLSD(const LLSD& sd, bool is_new)
     // TODO - figure out if this should be moved into the noclobber fields above
     mThumbnailUUID.setNull();
     mFavorite = false;
+    mPermissions.init(LLUUID::null, LLUUID::null, LLUUID::null, LLUUID::null);
 
     // iterate as map to avoid making unnecessary temp copies of everything
     LLSD::map_const_iterator i, end;
@@ -1053,7 +1054,7 @@ bool LLInventoryItem::fromLLSD(const LLSD& sd, bool is_new)
 
         if (i->first == INV_PERMISSIONS_LABEL)
         {
-            mPermissions = ll_permissions_from_sd(i->second);
+            mPermissions.importLLSD(i->second);
             continue;
         }
 
@@ -1522,53 +1523,68 @@ void LLInventoryCategory::exportLLSD(LLSD& cat_data) const
     }
 }
 
-bool LLInventoryCategory::importLLSD(const LLSD& cat_data)
+bool LLInventoryCategory::importLLSDMap(const LLSD& cat_data)
 {
-    if (cat_data.has(INV_FOLDER_ID_LABEL))
+    LLSD::map_const_iterator i, end;
+    end = cat_data.endMap();
+    for ( i = cat_data.beginMap(); i != end; ++i)
+    {
+        importLLSD(i->first, i->second);
+    }
+    return true;
+}
+
+bool LLInventoryCategory::importLLSD(const std::string& label, const LLSD& value)
+{
+    if (label == INV_FOLDER_ID_LABEL)
     {
-        setUUID(cat_data[INV_FOLDER_ID_LABEL].asUUID());
+        setUUID(value.asUUID());
+        return true;
     }
-    if (cat_data.has(INV_PARENT_ID_LABEL))
+    else if (label == INV_PARENT_ID_LABEL)
     {
-        setParent(cat_data[INV_PARENT_ID_LABEL].asUUID());
+        setParent(value.asUUID());
+        return true;
     }
-    if (cat_data.has(INV_ASSET_TYPE_LABEL))
+    else if (label == INV_ASSET_TYPE_LABEL)
     {
-        setType(LLAssetType::lookup(cat_data[INV_ASSET_TYPE_LABEL].asString()));
+        setType(LLAssetType::lookup(value.asString()));
+        return true;
     }
-    if (cat_data.has(INV_PREFERRED_TYPE_LABEL))
+    else if (label == INV_PREFERRED_TYPE_LABEL)
     {
-        setPreferredType(LLFolderType::lookup(cat_data[INV_PREFERRED_TYPE_LABEL].asString()));
+        setPreferredType(LLFolderType::lookup(value.asString()));
+        return true;
     }
-    if (cat_data.has(INV_THUMBNAIL_LABEL))
+    else if (label == INV_THUMBNAIL_LABEL)
     {
         LLUUID thumbnail_uuid;
-        const LLSD &thumbnail_data = cat_data[INV_THUMBNAIL_LABEL];
-        if (thumbnail_data.has(INV_ASSET_ID_LABEL))
+        if (value.has(INV_ASSET_ID_LABEL))
         {
-            thumbnail_uuid = thumbnail_data[INV_ASSET_ID_LABEL].asUUID();
+            thumbnail_uuid = value[INV_ASSET_ID_LABEL].asUUID();
         }
         setThumbnailUUID(thumbnail_uuid);
+        return true;
     }
-    if (cat_data.has(INV_FAVORITE_LABEL))
+    if (label == INV_FAVORITE_LABEL)
     {
         bool favorite = false;
-        const LLSD& favorite_data = cat_data[INV_FAVORITE_LABEL];
-        if (favorite_data.has(INV_TOGGLED_LABEL))
+        if (value.has(INV_TOGGLED_LABEL))
         {
-            favorite = favorite_data[INV_TOGGLED_LABEL].asBoolean();
+            favorite = value[INV_TOGGLED_LABEL].asBoolean();
         }
         setFavorite(favorite);
     }
-    if (cat_data.has(INV_NAME_LABEL))
+    else if (label == INV_NAME_LABEL)
     {
-        mName = cat_data[INV_NAME_LABEL].asString();
+        mName = value.asString();
         LLStringUtil::replaceNonstandardASCII(mName, ' ');
         LLStringUtil::replaceChar(mName, '|', ' ');
+        return true;
     }
-
-    return true;
+    return false;
 }
+
 ///----------------------------------------------------------------------------
 /// Local function definitions for testing purposes
 ///----------------------------------------------------------------------------
diff --git a/indra/llinventory/llinventory.h b/indra/llinventory/llinventory.h
index 17670d2ea1..181c46226c 100644
--- a/indra/llinventory/llinventory.h
+++ b/indra/llinventory/llinventory.h
@@ -274,7 +274,8 @@ public:
     virtual bool exportLegacyStream(std::ostream& output_stream, bool include_asset_key = true) const;
 
     virtual void exportLLSD(LLSD& sd) const;
-    bool importLLSD(const LLSD& cat_data);
+    bool importLLSDMap(const LLSD& cat_data);
+    virtual bool importLLSD(const std::string& label, const LLSD& value);
     //--------------------------------------------------------------------
     // Member Variables
     //--------------------------------------------------------------------
diff --git a/indra/llinventory/llpermissions.cpp b/indra/llinventory/llpermissions.cpp
index d800ca02c9..ebf7445c65 100644
--- a/indra/llinventory/llpermissions.cpp
+++ b/indra/llinventory/llpermissions.cpp
@@ -704,6 +704,79 @@ bool LLPermissions::exportLegacyStream(std::ostream& output_stream) const
     return true;
 }
 
+static const std::string PERM_CREATOR_ID_LABEL("creator_id");
+static const std::string PERM_OWNER_ID_LABEL("owner_id");
+static const std::string PERM_LAST_OWNER_ID_LABEL("last_owner_id");
+static const std::string PERM_GROUP_ID_LABEL("group_id");
+static const std::string PERM_IS_OWNER_GROUP_LABEL("is_owner_group");
+static const std::string PERM_BASE_MASK_LABEL("base_mask");
+static const std::string PERM_OWNER_MASK_LABEL("owner_mask");
+static const std::string PERM_GROUP_MASK_LABEL("group_mask");
+static const std::string PERM_EVERYONE_MASK_LABEL("everyone_mask");
+static const std::string PERM_NEXT_OWNER_MASK_LABEL("next_owner_mask");
+
+void LLPermissions::importLLSD(const LLSD& sd_perm)
+{
+    LLSD::map_const_iterator i, end;
+    end = sd_perm.endMap();
+    for (i = sd_perm.beginMap(); i != end; ++i)
+    {
+        const std::string& label = i->first;
+        if (label == PERM_CREATOR_ID_LABEL)
+        {
+            mCreator = i->second.asUUID();
+            continue;
+        }
+        if (label == PERM_OWNER_ID_LABEL)
+        {
+            mOwner = i->second.asUUID();
+            continue;
+        }
+        if (label == PERM_LAST_OWNER_ID_LABEL)
+        {
+            mLastOwner = i->second.asUUID();
+            continue;
+        }
+        if (label == PERM_GROUP_ID_LABEL)
+        {
+            mGroup = i->second.asUUID();
+            continue;
+        }
+        if (label == PERM_BASE_MASK_LABEL)
+        {
+            PermissionMask mask = i->second.asInteger();
+            mMaskBase = mask;
+            continue;
+        }
+        if (label == PERM_OWNER_MASK_LABEL)
+        {
+            PermissionMask mask = i->second.asInteger();
+            mMaskOwner = mask;
+            continue;
+        }
+        if (label == PERM_EVERYONE_MASK_LABEL)
+        {
+            PermissionMask mask = i->second.asInteger();
+            mMaskEveryone = mask;
+            continue;
+        }
+        if (label == PERM_GROUP_MASK_LABEL)
+        {
+            PermissionMask mask = i->second.asInteger();
+            mMaskGroup = mask;
+            continue;
+        }
+        if (label == PERM_NEXT_OWNER_MASK_LABEL)
+        {
+            PermissionMask mask = i->second.asInteger();
+            mMaskNextOwner = mask;
+            continue;
+        }
+    }
+
+    fix();
+}
+
 bool LLPermissions::operator==(const LLPermissions &rhs) const
 {
     return
@@ -998,16 +1071,6 @@ std::string mask_to_string(U32 mask)
 ///----------------------------------------------------------------------------
 /// exported functions
 ///----------------------------------------------------------------------------
-static const std::string PERM_CREATOR_ID_LABEL("creator_id");
-static const std::string PERM_OWNER_ID_LABEL("owner_id");
-static const std::string PERM_LAST_OWNER_ID_LABEL("last_owner_id");
-static const std::string PERM_GROUP_ID_LABEL("group_id");
-static const std::string PERM_IS_OWNER_GROUP_LABEL("is_owner_group");
-static const std::string PERM_BASE_MASK_LABEL("base_mask");
-static const std::string PERM_OWNER_MASK_LABEL("owner_mask");
-static const std::string PERM_GROUP_MASK_LABEL("group_mask");
-static const std::string PERM_EVERYONE_MASK_LABEL("everyone_mask");
-static const std::string PERM_NEXT_OWNER_MASK_LABEL("next_owner_mask");
 
 LLSD ll_create_sd_from_permissions(const LLPermissions& perm)
 {
@@ -1032,25 +1095,6 @@ void ll_fill_sd_from_permissions(LLSD& rv, const LLPermissions& perm)
 LLPermissions ll_permissions_from_sd(const LLSD& sd_perm)
 {
     LLPermissions rv;
-    rv.init(
-        sd_perm[PERM_CREATOR_ID_LABEL].asUUID(),
-        sd_perm[PERM_OWNER_ID_LABEL].asUUID(),
-        sd_perm[PERM_LAST_OWNER_ID_LABEL].asUUID(),
-        sd_perm[PERM_GROUP_ID_LABEL].asUUID());
-
-    // We do a cast to U32 here since LLSD does not attempt to
-    // represent unsigned ints.
-    PermissionMask mask;
-    mask = (U32)(sd_perm[PERM_BASE_MASK_LABEL].asInteger());
-    rv.setMaskBase(mask);
-    mask = (U32)(sd_perm[PERM_OWNER_MASK_LABEL].asInteger());
-    rv.setMaskOwner(mask);
-    mask = (U32)(sd_perm[PERM_EVERYONE_MASK_LABEL].asInteger());
-    rv.setMaskEveryone(mask);
-    mask = (U32)(sd_perm[PERM_GROUP_MASK_LABEL].asInteger());
-    rv.setMaskGroup(mask);
-    mask = (U32)(sd_perm[PERM_NEXT_OWNER_MASK_LABEL].asInteger());
-    rv.setMaskNext(mask);
-    rv.fix();
+    rv.importLLSD(sd_perm);
     return rv;
 }
diff --git a/indra/llinventory/llpermissions.h b/indra/llinventory/llpermissions.h
index f3e10af25c..82cdc03727 100644
--- a/indra/llinventory/llpermissions.h
+++ b/indra/llinventory/llpermissions.h
@@ -299,6 +299,8 @@ public:
     bool    importLegacyStream(std::istream& input_stream);
     bool    exportLegacyStream(std::ostream& output_stream) const;
 
+    void importLLSD(const LLSD& sd_perm);
+
     bool operator==(const LLPermissions &rhs) const;
     bool operator!=(const LLPermissions &rhs) const;
 
diff --git a/indra/llinventory/tests/inventorymisc_test.cpp b/indra/llinventory/tests/inventorymisc_test.cpp
index e41500b4c5..f11a4c3bf7 100644
--- a/indra/llinventory/tests/inventorymisc_test.cpp
+++ b/indra/llinventory/tests/inventorymisc_test.cpp
@@ -518,7 +518,7 @@ namespace tut
         file.close();
 
         LLPointer<LLInventoryCategory> src2 = new LLInventoryCategory();
-        src2->importLLSD(s_item);
+        src2->importLLSDMap(s_item);
 
         ensure_equals("1.item id::getUUID() failed", src1->getUUID(), src2->getUUID());
         ensure_equals("2.parent::getParentUUID() failed", src1->getParentUUID(), src2->getParentUUID());
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index d56891cab3..e5521e0ffc 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -5711,7 +5711,15 @@ bool LLVolumeFace::cacheOptimize(bool gen_tangents)
         S32 vert_count = 0;
         if (!data.p.empty())
         {
-            vert_count = static_cast<S32>(meshopt_generateVertexRemapMulti(&remap[0], nullptr, data.p.size(), data.p.size(), mos, stream_count));
+            try
+            {
+                vert_count = static_cast<S32>(meshopt_generateVertexRemapMulti(&remap[0], nullptr, data.p.size(), data.p.size(), mos, stream_count));
+            }
+            catch (std::bad_alloc&)
+            {
+                LLError::LLUserWarningMsg::showOutOfMemory();
+                LL_ERRS("LLCoros") << "Failed to allocate memory for VertexRemap: " << (S32)data.p.size() << LL_ENDL;
+            }
         }
 
         if (vert_count < 65535 && vert_count != 0)
diff --git a/indra/llui/llfolderviewmodel.h b/indra/llui/llfolderviewmodel.h
index ba9d0b8de3..2865b789b9 100644
--- a/indra/llui/llfolderviewmodel.h
+++ b/indra/llui/llfolderviewmodel.h
@@ -224,6 +224,7 @@ public:
     virtual S32 getSortVersion() = 0;
     virtual void setSortVersion(S32 version) = 0;
     virtual void setParent(LLFolderViewModelItem* parent) = 0;
+    virtual const LLFolderViewModelItem* getParent() = 0;
     virtual bool hasParent() = 0;
 
 protected:
@@ -254,14 +255,14 @@ public:
         mChildren.clear();
     }
 
-    void requestSort() { mSortVersion = -1; }
-    S32 getSortVersion() { return mSortVersion; }
-    void setSortVersion(S32 version) { mSortVersion = version;}
+    void requestSort() override { mSortVersion = -1; }
+    S32 getSortVersion() override { return mSortVersion; }
+    void setSortVersion(S32 version) override { mSortVersion = version;}
 
-    S32 getLastFilterGeneration() const { return mLastFilterGeneration; }
+    S32 getLastFilterGeneration() const override { return mLastFilterGeneration; }
     S32 getLastFolderFilterGeneration() const { return mLastFolderFilterGeneration; }
-    S32 getMarkedDirtyGeneration() const { return mMarkedDirtyGeneration; }
-    void dirtyFilter()
+    S32 getMarkedDirtyGeneration() const override { return mMarkedDirtyGeneration; }
+    void dirtyFilter() override
     {
         if(mMarkedDirtyGeneration < 0)
         {
@@ -276,7 +277,7 @@ public:
             mParent->dirtyFilter();
         }
     }
-    void dirtyDescendantsFilter()
+    void dirtyDescendantsFilter() override
     {
         mMostFilteredDescendantGeneration = -1;
         if (mParent)
@@ -284,13 +285,13 @@ public:
             mParent->dirtyDescendantsFilter();
         }
     }
-    bool hasFilterStringMatch();
-    std::string::size_type getFilterStringOffset();
-    std::string::size_type getFilterStringSize();
+    bool hasFilterStringMatch() override;
+    std::string::size_type getFilterStringOffset() override;
+    std::string::size_type getFilterStringSize() override;
 
-    typedef std::list<LLFolderViewModelItem*> child_list_t;
+    typedef std::list<LLPointer<LLFolderViewModelItem> > child_list_t;
 
-    virtual void addChild(LLFolderViewModelItem* child)
+    virtual void addChild(LLFolderViewModelItem* child) override
     {
         mChildren.push_back(child);
         child->setParent(this);
@@ -298,15 +299,15 @@ public:
         requestSort();
     }
 
-    virtual void removeChild(LLFolderViewModelItem* child)
+    virtual void removeChild(LLFolderViewModelItem* child) override final
     {
-        mChildren.remove(child);
         child->setParent(NULL);
+        mChildren.remove(child);
         dirtyDescendantsFilter();
         dirtyFilter();
     }
 
-    virtual void clearChildren()
+    virtual void clearChildren() override
     {
         // We are working with models that belong to views as LLPointers, clean the list, let poiters handle the rest
         std::for_each(mChildren.begin(), mChildren.end(), [](LLFolderViewModelItem* c) {c->setParent(NULL); });
@@ -319,7 +320,7 @@ public:
     child_list_t::const_iterator getChildrenEnd() const { return mChildren.end(); }
     child_list_t::size_type getChildrenCount() const { return mChildren.size(); }
 
-    void setPassedFilter(bool passed, S32 filter_generation, std::string::size_type string_offset = std::string::npos, std::string::size_type string_size = 0)
+    void setPassedFilter(bool passed, S32 filter_generation, std::string::size_type string_offset = std::string::npos, std::string::size_type string_size = 0) override
     {
         mPassedFilter = passed;
         mLastFilterGeneration = filter_generation;
@@ -328,20 +329,20 @@ public:
         mMarkedDirtyGeneration = -1;
     }
 
-    void setPassedFolderFilter(bool passed, S32 filter_generation)
+    void setPassedFolderFilter(bool passed, S32 filter_generation) override
     {
         mPassedFolderFilter = passed;
         mLastFolderFilterGeneration = filter_generation;
     }
 
-    virtual bool potentiallyVisible()
+    virtual bool potentiallyVisible() override
     {
         return passedFilter() // we've passed the filter
             || (getLastFilterGeneration() < mRootViewModel.getFilter().getFirstSuccessGeneration()) // or we don't know yet
             || descendantsPassedFilter();
     }
 
-    virtual bool passedFilter(S32 filter_generation = -1)
+    virtual bool passedFilter(S32 filter_generation = -1) override
     {
         if (filter_generation < 0)
         {
@@ -352,7 +353,7 @@ public:
         return passed_folder_filter && (passed_filter || descendantsPassedFilter(filter_generation));
     }
 
-    virtual bool descendantsPassedFilter(S32 filter_generation = -1)
+    virtual bool descendantsPassedFilter(S32 filter_generation = -1) override
     {
         if (filter_generation < 0)
         {
@@ -361,10 +362,10 @@ public:
         return mMostFilteredDescendantGeneration >= filter_generation;
     }
 
-
 protected:
-    virtual void setParent(LLFolderViewModelItem* parent) { mParent = parent; }
-    virtual bool hasParent() { return mParent != NULL; }
+    virtual void setParent(LLFolderViewModelItem* parent) override final { mParent = parent; }
+    virtual const LLFolderViewModelItem* getParent() override { return mParent; };
+    virtual bool hasParent() override { return mParent != NULL; }
 
     S32                         mSortVersion;
     bool                        mPassedFilter;
@@ -381,7 +382,7 @@ protected:
     LLFolderViewModelItem*      mParent;
     LLFolderViewModelInterface& mRootViewModel;
 
-    void setFolderViewItem(LLFolderViewItem* folder_view_item) { mFolderViewItem = folder_view_item;}
+    void setFolderViewItem(LLFolderViewItem* folder_view_item) override { mFolderViewItem = folder_view_item;}
     LLFolderViewItem*       mFolderViewItem;
 };
 
@@ -395,15 +396,15 @@ public:
         mFolderView(NULL)
     {}
 
-    virtual void requestSortAll()
+    virtual void requestSortAll() override
     {
         // sort everything
         mTargetSortVersion++;
     }
-    virtual std::string getStatusText(bool is_empty_folder = false);
-    virtual void filter();
+    virtual std::string getStatusText(bool is_empty_folder = false) override;
+    virtual void filter() override;
 
-    void setFolderView(LLFolderView* folder_view) { mFolderView = folder_view;}
+    void setFolderView(LLFolderView* folder_view) override { mFolderView = folder_view;}
 
 protected:
     bool needsSort(class LLFolderViewModelItem* item);
@@ -433,14 +434,14 @@ public:
     virtual const SortType& getSorter() const        { return *mSorter; }
     virtual void setSorter(const SortType& sorter)   { mSorter.reset(new SortType(sorter)); requestSortAll(); }
 
-    virtual FilterType& getFilter()                  { return *mFilter; }
-    virtual const FilterType& getFilter() const      { return *mFilter; }
+    virtual FilterType& getFilter() override                  { return *mFilter; }
+    virtual const FilterType& getFilter() const override      { return *mFilter; }
     virtual void setFilter(const FilterType& filter) { mFilter.reset(new FilterType(filter)); }
 
     // By default, we assume the content is available. If a network fetch mechanism is implemented for the model,
     // this method needs to be overloaded and return the relevant fetch status.
-    virtual bool contentsReady()                    { return true; }
-    virtual bool isFolderComplete(LLFolderViewFolder* folder)                   { return true; }
+    virtual bool contentsReady() override                     { return true; }
+    virtual bool isFolderComplete(LLFolderViewFolder* folder) override { return true; }
 
     struct ViewModelCompare
     {
@@ -461,7 +462,7 @@ public:
         const SortType& mSorter;
     };
 
-    void sort(LLFolderViewFolder* folder)
+    void sort(LLFolderViewFolder* folder) override
     {
         if (needsSort(folder->getViewModelItem()))
         {
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 778b253c3c..7007049e1c 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -2228,6 +2228,7 @@ void LLTextBase::createUrlContextMenu(S32 x, S32 y, const std::string &in_url)
     registrar.add("Url.ReportAbuse", boost::bind(&LLUrlAction::reportAbuse, url));
     registrar.add("Url.SendIM", boost::bind(&LLUrlAction::sendIM, url));
     registrar.add("Url.ShowOnMap", boost::bind(&LLUrlAction::showLocationOnMap, url));
+    registrar.add("Url.ShowParcelOnMap", boost::bind(&LLUrlAction::showParcelOnMap, url));
     registrar.add("Url.CopyLabel", boost::bind(&LLUrlAction::copyLabelToClipboard, url));
     registrar.add("Url.CopyUrl", boost::bind(&LLUrlAction::copyURLToClipboard, url));
 
diff --git a/indra/llui/llurlaction.cpp b/indra/llui/llurlaction.cpp
index b6b450c2a1..fdae22cfa1 100644
--- a/indra/llui/llurlaction.cpp
+++ b/indra/llui/llurlaction.cpp
@@ -30,6 +30,7 @@
 #include "llview.h"
 #include "llwindow.h"
 #include "llurlregistry.h"
+#include "v3dmath.h"
 
 
 // global state for the callback functions
@@ -128,6 +129,23 @@ void LLUrlAction::showLocationOnMap(std::string url)
     }
 }
 
+void LLUrlAction::showParcelOnMap(std::string url)
+{
+    LLSD path_array = LLURI(url).pathArray();
+    auto path_parts = path_array.size();
+
+    if (path_parts < 3) // no parcel id
+    {
+        LL_WARNS() << "Global coordinates are missing in url: [" << url << "]" << LL_ENDL;
+        return;
+    }
+
+    LLVector3d parcel_pos = LLUrlEntryParcel::getParcelPos(LLUUID(LLURI::unescape(path_array[2])));
+    std::ostringstream pos;
+    pos << parcel_pos.mdV[VX] << '/' << parcel_pos.mdV[VY] << '/' << parcel_pos.mdV[VZ];
+    executeSLURL("secondlife:///app/worldmap_global/" + pos.str());
+}
+
 void LLUrlAction::copyURLToClipboard(std::string url)
 {
     LLView::getWindow()->copyTextToClipboard(utf8str_to_wstring(url));
@@ -142,6 +160,16 @@ void LLUrlAction::copyLabelToClipboard(std::string url)
     }
 }
 
+std::string LLUrlAction::getURLLabel(std::string url)
+{
+    LLUrlMatch match;
+    if (LLUrlRegistry::instance().findUrl(url, match))
+    {
+       return match.getLabel();
+    }
+    return "";
+}
+
 void LLUrlAction::showProfile(std::string url)
 {
     // Get id from 'secondlife:///app/{cmd}/{id}/{action}'
diff --git a/indra/llui/llurlaction.h b/indra/llui/llurlaction.h
index ac9741a7ad..8b7ab0e7c5 100644
--- a/indra/llui/llurlaction.h
+++ b/indra/llui/llurlaction.h
@@ -63,6 +63,8 @@ public:
     /// if the Url specifies an SL location, show it on a map
     static void showLocationOnMap(std::string url);
 
+    static void showParcelOnMap(std::string url);
+
     /// perform the appropriate action for left-clicking on a Url
     static void clickAction(std::string url, bool trusted_content);
 
@@ -72,6 +74,8 @@ public:
     /// copy a Url to the clipboard
     static void copyURLToClipboard(std::string url);
 
+    static std::string getURLLabel(std::string url);
+
     /// if the Url specifies an SL command in the form like 'app/{cmd}/{id}/*', show its profile
     static void showProfile(std::string url);
     static std::string getUserID(std::string url);
diff --git a/indra/llui/llurlentry.cpp b/indra/llui/llurlentry.cpp
index bcd13b7f0b..95603d7ed5 100644
--- a/indra/llui/llurlentry.cpp
+++ b/indra/llui/llurlentry.cpp
@@ -41,8 +41,7 @@
 #include "lluicolortable.h"
 #include "message.h"
 #include "llexperiencecache.h"
-
-#define APP_HEADER_REGEX "((x-grid-location-info://[-\\w\\.]+/app)|(secondlife:///app))"
+#include "v3dmath.h"
 
 // Utility functions
 std::string localize_slapp_label(const std::string& url, const std::string& full_name);
@@ -1084,6 +1083,7 @@ LLUUID  LLUrlEntryParcel::sSessionID(LLUUID::null);
 LLHost  LLUrlEntryParcel::sRegionHost;
 bool    LLUrlEntryParcel::sDisconnected(false);
 std::set<LLUrlEntryParcel*> LLUrlEntryParcel::sParcelInfoObservers;
+std::map<LLUUID, LLVector3d> LLUrlEntryParcel::sParcelPos;
 
 ///
 /// LLUrlEntryParcel Describes a Second Life parcel Url, e.g.,
@@ -1176,6 +1176,20 @@ void LLUrlEntryParcel::processParcelInfo(const LLParcelData& parcel_data)
             url_entry->onParcelInfoReceived(parcel_data.parcel_id.asString(), label);
         }
     }
+    if (sParcelPos.find(parcel_data.parcel_id) == sParcelPos.end())
+    {
+        sParcelPos[parcel_data.parcel_id] = LLVector3d(parcel_data.global_x, parcel_data.global_y, parcel_data.global_z);
+    }
+}
+
+// static
+LLVector3d LLUrlEntryParcel::getParcelPos(const LLUUID& parcel_id)
+{
+    if (sParcelPos.find(parcel_id) != sParcelPos.end())
+    {
+        return sParcelPos[parcel_id];
+    }
+    return LLVector3d();
 }
 
 //
diff --git a/indra/llui/llurlentry.h b/indra/llui/llurlentry.h
index 6e7d2fc80f..efb5081103 100644
--- a/indra/llui/llurlentry.h
+++ b/indra/llui/llurlentry.h
@@ -41,6 +41,9 @@
 #include <map>
 
 class LLAvatarName;
+class LLVector3d;
+
+#define APP_HEADER_REGEX "((x-grid-location-info://[-\\w\\.]+/app)|(secondlife:///app))"
 
 typedef boost::signals2::signal<void (const std::string& url,
                                       const std::string& label,
@@ -434,6 +437,8 @@ public:
     // Processes parcel label and triggers notifying observers.
     static void processParcelInfo(const LLParcelData& parcel_data);
 
+    static LLVector3d getParcelPos(const LLUUID& parcel_id);
+
     // Next setters are used to update agent and viewer connection information
     // upon events like user login, viewer disconnect and user changing region host.
     // These setters are made public to be accessible from newview and should not be
@@ -447,6 +452,7 @@ private:
     static LLHost                       sRegionHost;
     static bool                         sDisconnected;
     static std::set<LLUrlEntryParcel*>  sParcelInfoObservers;
+    static std::map<LLUUID, LLVector3d> sParcelPos;
 };
 
 ///
diff --git a/indra/llwebrtc/llwebrtc.cpp b/indra/llwebrtc/llwebrtc.cpp
index 2ee6d912c1..b245774516 100644
--- a/indra/llwebrtc/llwebrtc.cpp
+++ b/indra/llwebrtc/llwebrtc.cpp
@@ -672,7 +672,10 @@ LLWebRTCPeerConnectionInterface *LLWebRTCImpl::newPeerConnection()
     peerConnection->init(this);
 
     mPeerConnections.emplace_back(peerConnection);
-    peerConnection->enableSenderTracks(!mMute);
+    // Should it really start disabled?
+    // Seems like something doesn't get the memo and senders need to be reset later
+    // to remove the voice indicator from taskbar
+    peerConnection->enableSenderTracks(false);
     if (mPeerConnections.empty())
     {
         setRecording(true);
@@ -706,7 +709,7 @@ void LLWebRTCImpl::freePeerConnection(LLWebRTCPeerConnectionInterface* peer_conn
 LLWebRTCPeerConnectionImpl::LLWebRTCPeerConnectionImpl() :
     mWebRTCImpl(nullptr),
     mPeerConnection(nullptr),
-    mMute(true),
+    mMute(MUTE_INITIAL),
     mAnswerReceived(false)
 {
 }
@@ -741,6 +744,19 @@ void LLWebRTCPeerConnectionImpl::terminate()
                     }
                 }
 
+                // to remove 'Secondlife is recording' icon from taskbar
+                // if user was speaking
+                auto senders = mPeerConnection->GetSenders();
+                for (auto& sender : senders)
+                {
+                    auto track = sender->track();
+                    if (track)
+                    {
+                        track->set_enabled(false);
+                    }
+                }
+                mPeerConnection->SetAudioRecording(false);
+
                 mPeerConnection->Close();
                 if (mLocalStream)
                 {
@@ -830,6 +846,7 @@ bool LLWebRTCPeerConnectionImpl::initializeConnection(const LLWebRTCPeerConnecti
             audioOptions.auto_gain_control = true;
             audioOptions.echo_cancellation = true;
             audioOptions.noise_suppression = true;
+            audioOptions.init_recording_on_send = false;
 
             mLocalStream = mPeerConnectionFactory->CreateLocalMediaStream("SLStream");
 
@@ -894,6 +911,7 @@ void LLWebRTCPeerConnectionImpl::enableSenderTracks(bool enable)
         {
             sender->track()->set_enabled(enable);
         }
+        mPeerConnection->SetAudioRecording(enable);
     }
 }
 
@@ -934,9 +952,17 @@ void LLWebRTCPeerConnectionImpl::AnswerAvailable(const std::string &sdp)
 
 void LLWebRTCPeerConnectionImpl::setMute(bool mute)
 {
-    mMute = mute;
+    EMicMuteState new_state = mute ? MUTE_MUTED : MUTE_UNMUTED;
+    if (new_state == mMute)
+    {
+        return; // no change
+    }
+    bool force_reset = mMute == MUTE_INITIAL && mute;
+    bool enable = !mute;
+    mMute = new_state;
+
     mWebRTCImpl->PostSignalingTask(
-        [this]()
+        [this, force_reset, enable]()
         {
         if (mPeerConnection)
         {
@@ -948,16 +974,34 @@ void LLWebRTCPeerConnectionImpl::setMute(bool mute)
                 auto track = sender->track();
                 if (track)
                 {
-                    track->set_enabled(!mMute);
+                    if (force_reset)
+                    {
+                        // Force notify observers
+                        // Was it disabled too early?
+                        // Without this microphone icon in Win's taskbar will stay
+                        track->set_enabled(true);
+                    }
+                    track->set_enabled(enable);
                 }
             }
+            mPeerConnection->SetAudioRecording(enable);
         }
     });
 }
 
 void LLWebRTCPeerConnectionImpl::resetMute()
 {
-    setMute(mMute);
+    switch(mMute)
+    {
+    case MUTE_MUTED:
+         setMute(true);
+         break;
+    case MUTE_UNMUTED:
+         setMute(false);
+         break;
+    default:
+        break;
+    }
 }
 
 void LLWebRTCPeerConnectionImpl::setReceiveVolume(float volume)
diff --git a/indra/llwebrtc/llwebrtc_impl.h b/indra/llwebrtc/llwebrtc_impl.h
index 99accb2c20..dfdb19e9be 100644
--- a/indra/llwebrtc/llwebrtc_impl.h
+++ b/indra/llwebrtc/llwebrtc_impl.h
@@ -425,7 +425,12 @@ class LLWebRTCPeerConnectionImpl : public LLWebRTCPeerConnectionInterface,
 
     rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> mPeerConnectionFactory;
 
-    bool mMute;
+    typedef enum {
+        MUTE_INITIAL,
+        MUTE_MUTED,
+        MUTE_UNMUTED,
+    } EMicMuteState;
+    EMicMuteState mMute;
 
     // signaling
     std::vector<LLWebRTCSignalingObserver *>  mSignalingObserverList;
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index 8960519bc2..2656f21def 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -76,6 +76,11 @@
 #pragma comment(lib, "dxguid.lib") // needed for llurlentry test to build on some systems
 #pragma comment(lib, "dinput8")
 
+#pragma comment(lib, "UxTheme.lib")
+#pragma comment(lib, "Dwmapi.lib")
+#include <Uxtheme.h>
+#include <dwmapi.h> // needed for DwmSetWindowAttribute to set window theme
+
 const S32   MAX_MESSAGE_PER_UPDATE = 20;
 const S32   BITS_PER_PIXEL = 32;
 const S32   MAX_NUM_RESOLUTIONS = 32;
@@ -85,6 +90,10 @@ const F32   ICON_FLASH_TIME = 0.5f;
 #define USER_DEFAULT_SCREEN_DPI 96 // Win7
 #endif
 
+#ifndef WM_DWMCOLORIZATIONCOLORCHANGED
+#define WM_DWMCOLORIZATIONCOLORCHANGED 0x0320
+#endif
+
 // Claim a couple unused GetMessage() message IDs
 const UINT WM_DUMMY_(WM_USER + 0x0017);
 const UINT WM_POST_FUNCTION_(WM_USER + 0x0018);
@@ -104,6 +113,7 @@ static std::thread::id sMainThreadId;
 
 
 LPWSTR gIconResource = IDI_APPLICATION;
+LPWSTR gIconSmallResource = IDI_APPLICATION;
 LPDIRECTINPUT8 gDirectInput8;
 
 LLW32MsgCallback gAsyncMsgCallback = NULL;
@@ -137,6 +147,17 @@ typedef HRESULT(STDAPICALLTYPE *GetDpiForMonitorType)(
     _Out_ UINT *dpiX,
     _Out_ UINT *dpiY);
 
+typedef enum PREFERRED_APP_MODE
+{
+    DEFAULT,
+    ALLOW_DARK,
+    FORCE_DARK,
+    FORCE_LIGHT,
+    MAX
+} PREFERRED_APP_MODE;
+
+typedef PREFERRED_APP_MODE(WINAPI* fnSetPreferredAppMode)(PREFERRED_APP_MODE mode);
+
 //
 // LLWindowWin32
 //
@@ -512,6 +533,7 @@ LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks,
 
     mFSAASamples = fsaa_samples;
     mIconResource = gIconResource;
+    mIconSmallResource = gIconSmallResource;
     mOverrideAspectRatio = 0.f;
     mNativeAspectRatio = 0.f;
     mInputProcessingPaused = false;
@@ -846,6 +868,8 @@ LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks,
     // Initialize (boot strap) the Language text input management,
     // based on the system's (or user's) default settings.
     allowLanguageTextInput(NULL, false);
+    updateWindowTheme();
+    setCustomIcon();
 }
 
 
@@ -3020,6 +3044,17 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
                     WINDOW_IMP_POST(window_imp->mMouseVanish = true);
                 }
             }
+            // Check if theme-related settings changed
+            else if (l_param && (wcscmp((LPCWSTR)l_param, L"ImmersiveColorSet") == 0))
+            {
+                WINDOW_IMP_POST(window_imp->updateWindowTheme());
+            }
+        }
+        break;
+
+        case WM_DWMCOLORIZATIONCOLORCHANGED:
+        {
+            WINDOW_IMP_POST(window_imp->updateWindowTheme());
         }
         break;
 
@@ -4962,3 +4997,69 @@ void LLWindowWin32::updateWindowRect()
             });
     }
 }
+
+bool LLWindowWin32::isSystemAppDarkMode()
+{
+    HKEY  hKey;
+    DWORD dwValue = 1; // Default to light theme
+    DWORD dwSize  = sizeof(DWORD);
+
+    // Check registry for system theme preference
+    LSTATUS ret_code =
+        RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", 0, KEY_READ, &hKey);
+    if (ERROR_SUCCESS == ret_code)
+    {
+        if (RegQueryValueExW(hKey, L"AppsUseLightTheme", NULL, NULL, (LPBYTE)&dwValue, &dwSize) != ERROR_SUCCESS)
+        {
+            // If AppsUseLightTheme is not found, check SystemUsesLightTheme
+            dwSize = sizeof(DWORD);
+            RegQueryValueExW(hKey, L"SystemUsesLightTheme", NULL, NULL, (LPBYTE)&dwValue, &dwSize);
+        }
+        RegCloseKey(hKey);
+    }
+
+    // Return true if dark mode
+    return dwValue == 0;
+}
+
+void LLWindowWin32::updateWindowTheme()
+{
+    bool use_dark_mode = isSystemAppDarkMode();
+    if (use_dark_mode == mCurrentDarkMode)
+    {
+        return;
+    }
+    mCurrentDarkMode = use_dark_mode;
+
+    HMODULE hUxTheme = LoadLibraryExW(L"uxtheme.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
+    if (hUxTheme)
+    {
+        auto SetPreferredAppMode = (fnSetPreferredAppMode)GetProcAddress(hUxTheme, "SetPreferredAppMode");
+        if (SetPreferredAppMode)
+        {
+            SetPreferredAppMode(use_dark_mode ? ALLOW_DARK : FORCE_LIGHT);
+        }
+        FreeLibrary(hUxTheme);
+    }
+    BOOL dark_mode(use_dark_mode);
+    DwmSetWindowAttribute(mWindowHandle, DWMWA_USE_IMMERSIVE_DARK_MODE, &dark_mode, sizeof(dark_mode));
+
+    LL_INFOS("Window") << "Viewer window theme is set to " << (use_dark_mode ? "dark" : "light") << " mode" << LL_ENDL;
+}
+
+void LLWindowWin32::setCustomIcon()
+{
+        if (mWindowHandle)
+        {
+            HICON hDefaultIcon = LoadIcon(mhInstance, mIconResource);
+            HICON hSmallIcon   = LoadIcon(mhInstance, mIconSmallResource);
+            mWindowThread->post([=]()
+                {
+                    SendMessage(mWindowHandle, WM_SETICON, ICON_BIG, (LPARAM)hDefaultIcon);
+                    SendMessage(mWindowHandle, WM_SETICON, ICON_SMALL, (LPARAM)hSmallIcon);
+
+                    SetClassLongPtr(mWindowHandle, GCLP_HICON, (LONG_PTR)hDefaultIcon);
+                    SetClassLongPtr(mWindowHandle, GCLP_HICONSM, (LONG_PTR)hSmallIcon);
+                });
+        }
+}
diff --git a/indra/llwindow/llwindowwin32.h b/indra/llwindow/llwindowwin32.h
index 561f07d388..7196706f87 100644
--- a/indra/llwindow/llwindowwin32.h
+++ b/indra/llwindow/llwindowwin32.h
@@ -214,6 +214,7 @@ protected:
     bool        mCustomGammaSet;
 
     LPWSTR      mIconResource;
+    LPWSTR      mIconSmallResource;
     bool        mInputProcessingPaused;
 
     // The following variables are for Language Text Input control.
@@ -246,6 +247,11 @@ protected:
     RECT mRect;
     RECT mClientRect;
 
+    void updateWindowTheme();
+    bool isSystemAppDarkMode();
+    void setCustomIcon();
+    bool mCurrentDarkMode { false };
+
     struct LLWindowWin32Thread;
     LLWindowWin32Thread* mWindowThread = nullptr;
     LLThreadSafeQueue<std::function<void()>> mFunctionQueue;
@@ -281,6 +287,7 @@ private:
 
 extern LLW32MsgCallback gAsyncMsgCallback;
 extern LPWSTR gIconResource;
+extern LPWSTR gIconSmallResource;
 
 S32 OSMessageBoxWin32(const std::string& text, const std::string& caption, U32 type);
 
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index 019d656471..9b30902de9 100644
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -1605,6 +1605,7 @@ 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
@@ -1913,6 +1914,12 @@ 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
            ${SHARED_LIB_STAGING_DIR}/OpenAL32.dll
@@ -1929,6 +1936,7 @@ if (WINDOWS)
         --arch=${ARCH}
         --artwork=${ARTWORK_DIR}
         "--bugsplat=${BUGSPLAT_DB}"
+        "--discord=${USE_DISCORD}"
         "--openal=${USE_OPENAL}"
         "--tracy=${USE_TRACY}"
         --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -1967,6 +1975,7 @@ if (WINDOWS)
             --arch=${ARCH}
             --artwork=${ARTWORK_DIR}
             "--bugsplat=${BUGSPLAT_DB}"
+            "--discord=${USE_DISCORD}"
             "--openal=${USE_OPENAL}"
             "--tracy=${USE_TRACY}"
             --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -2044,6 +2053,7 @@ if (WINDOWS)
               --arch=${ARCH}
               --artwork=${ARTWORK_DIR}
               "--bugsplat=${BUGSPLAT_DB}"
+              "--discord=${USE_DISCORD}"
               "--openal=${USE_OPENAL}"
               "--tracy=${USE_TRACY}"
               --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -2151,7 +2161,7 @@ if (ENABLE_MEDIA_PLUGINS)
 endif ()
 
 if (USE_DISCORD)
-   target_link_libraries(${VIEWER_BINARY_NAME} ll::discord )
+   target_link_libraries(${VIEWER_BINARY_NAME} ll::discord_sdk )
 endif ()
 
 if( TARGET ll::intel_memops )
@@ -2269,6 +2279,7 @@ if (LINUX)
         --arch=${ARCH}
         --artwork=${ARTWORK_DIR}
         "--bugsplat=${BUGSPLAT_DB}"
+        "--discord=${USE_DISCORD}"
         "--openal=${USE_OPENAL}"
         "--tracy=${USE_TRACY}"
         --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -2351,6 +2362,7 @@ if (LINUX)
       --arch=${ARCH}
       --artwork=${ARTWORK_DIR}
       "--bugsplat=${BUGSPLAT_DB}"
+      "--discord=${USE_DISCORD}"
       "--openal=${USE_OPENAL}"
       "--tracy=${USE_TRACY}"
       --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -2453,6 +2465,7 @@ if (DARWIN)
       --arch=${ARCH}
       --artwork=${ARTWORK_DIR}
       "--bugsplat=${BUGSPLAT_DB}"
+      "--discord=${USE_DISCORD}"
       "--openal=${USE_OPENAL}"
       "--tracy=${USE_TRACY}"
       --build=${CMAKE_CURRENT_BINARY_DIR}
@@ -2507,6 +2520,7 @@ if (DARWIN)
               --arch=${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/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index ff9f2b96a7..2b26eb105e 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -1219,13 +1219,13 @@
     <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>
@@ -1269,7 +1269,7 @@
       <key>Type</key>
       <string>U32</string>
       <key>Value</key>
-      <integer>4096</integer>
+      <integer>6144</integer>
     </map>
     <key>CacheValidateCounter</key>
     <map>
@@ -9716,6 +9716,17 @@
       <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>
@@ -13940,7 +13951,7 @@
     <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>
@@ -16837,5 +16848,49 @@
       <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/llagentwearables.cpp b/indra/newview/llagentwearables.cpp
index 5211884bc2..93cc4941f1 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 4050bda024..71dec10e01 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 53a3978086..32f4421ce2 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -3178,7 +3178,15 @@ 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);
 
@@ -4365,8 +4373,8 @@ 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");
diff --git a/indra/newview/llappviewerwin32.cpp b/indra/newview/llappviewerwin32.cpp
index f3214e2a20..d5cce28a3d 100644
--- a/indra/newview/llappviewerwin32.cpp
+++ b/indra/newview/llappviewerwin32.cpp
@@ -460,6 +460,7 @@ int APIENTRY WINMAIN(HINSTANCE hInstance,
     // *FIX: global
     gIconResource = MAKEINTRESOURCE(IDI_LL_ICON);
 #endif
+    gIconSmallResource = MAKEINTRESOURCE(IDI_LL_ICON_SMALL);
 
     LLAppViewerWin32* viewer_app_ptr = new LLAppViewerWin32(ll_convert_wide_to_string(pCmdLine).c_str());
 
diff --git a/indra/newview/llconversationmodel.cpp b/indra/newview/llconversationmodel.cpp
index af5a46742c..774e8fd4c5 100644
--- a/indra/newview/llconversationmodel.cpp
+++ b/indra/newview/llconversationmodel.cpp
@@ -300,7 +300,7 @@ void LLConversationItemSession::updateName(LLConversationItemParticipant* partic
 
         for (auto itemp : mChildren)
         {
-            LLConversationItem* current_participant = dynamic_cast<LLConversationItem*>(itemp);
+            LLConversationItem* current_participant = dynamic_cast<LLConversationItem*>(itemp.get());
             // Add the avatar uuid to the list (except if it's the own agent uuid)
             if (current_participant->getUUID() != gAgentID)
             {
@@ -329,6 +329,7 @@ void LLConversationItemSession::updateName(LLConversationItemParticipant* partic
 
 void LLConversationItemSession::removeParticipant(LLConversationItemParticipant* participant)
 {
+    LLPointer<LLFolderViewModelItem> holder(participant);
     removeChild(participant);
     mNeedsRefresh = true;
     updateName(participant);
@@ -360,15 +361,10 @@ void LLConversationItemSession::clearAndDeparentModels()
     for (child_list_t::iterator it = mChildren.begin(); it != mChildren.end();)
     {
         LLFolderViewModelItem* child = *it;
-        if (child->getNumRefs() == 0)
+        // Note that model might still be assigned to some view/widget
+        // and have a different parent
+        if (child->getParent() == this)
         {
-            // LLConversationItemParticipant can be created but not assigned to any view,
-            // it was waiting for an "add_participant" event to be processed
-            delete child;
-        }
-        else
-        {
-            // Model is still assigned to some view/widget
             child->setParent(NULL);
         }
         it = mChildren.erase(it);
@@ -383,7 +379,7 @@ LLConversationItemParticipant* LLConversationItemSession::findParticipant(const
     child_list_t::iterator iter;
     for (iter = mChildren.begin(); iter != mChildren.end(); iter++)
     {
-        participant = dynamic_cast<LLConversationItemParticipant*>(*iter);
+        participant = dynamic_cast<LLConversationItemParticipant*>((*iter).get());
         if (participant && participant->hasSameValue(participant_id))
         {
             break;
@@ -493,7 +489,7 @@ const bool LLConversationItemSession::getTime(F64& time) const
     child_list_t::const_iterator iter;
     for (iter = mChildren.begin(); iter != mChildren.end(); iter++)
     {
-        participant = dynamic_cast<LLConversationItemParticipant*>(*iter);
+        participant = dynamic_cast<LLConversationItemParticipant*>((*iter).get());
         F64 participant_time;
         if (participant && participant->getTime(participant_time))
         {
@@ -517,7 +513,7 @@ void LLConversationItemSession::dumpDebugData(bool dump_children)
     {
         for (child_list_t::iterator iter = mChildren.begin(); iter != mChildren.end(); iter++)
         {
-            LLConversationItemParticipant* participant = dynamic_cast<LLConversationItemParticipant*>(*iter);
+            LLConversationItemParticipant* participant = dynamic_cast<LLConversationItemParticipant*>((*iter).get());
             if (participant)
             {
                 participant->dumpDebugData();
diff --git a/indra/newview/llfloaterchatmentionpicker.cpp b/indra/newview/llfloaterchatmentionpicker.cpp
index 1cfed122a9..a3eb286375 100644
--- a/indra/newview/llfloaterchatmentionpicker.cpp
+++ b/indra/newview/llfloaterchatmentionpicker.cpp
@@ -88,7 +88,7 @@ uuid_vec_t LLFloaterChatMentionPicker::getParticipantIds()
     LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = item->getChildrenEnd();
     while (current_participant_model != end_participant_model)
     {
-        LLConversationItem* participant_model = dynamic_cast<LLConversationItem*>(*current_participant_model);
+        LLConversationItem* participant_model = dynamic_cast<LLConversationItem*>((*current_participant_model).get());
         if (participant_model)
         {
             avatar_ids.push_back(participant_model->getUUID());
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/llfloaterimcontainer.cpp b/indra/newview/llfloaterimcontainer.cpp
index 59ae8a9a81..bff0457a7d 100644
--- a/indra/newview/llfloaterimcontainer.cpp
+++ b/indra/newview/llfloaterimcontainer.cpp
@@ -460,7 +460,7 @@ void LLFloaterIMContainer::processParticipantsStyleUpdate()
         LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = session_model->getChildrenEnd();
         while (current_participant_model != end_participant_model)
         {
-            LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>(*current_participant_model);
+            LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>((*current_participant_model).get());
             if (participant_model)
             {
                 // Get the avatar name for this participant id from the cache and update the model
@@ -511,7 +511,7 @@ void LLFloaterIMContainer::idleUpdate()
                 bool can_ban = haveAbilityToBan();
                 while (current_participant_model != end_participant_model)
                 {
-                    LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>(*current_participant_model);
+                    LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>((*current_participant_model).get());
                     if (participant_model)
                     {
                         participant_model->setModeratorOptionsVisible(is_moderator);
@@ -1882,7 +1882,7 @@ LLConversationItem* LLFloaterIMContainer::addConversationListItem(const LLUUID&
         LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = item->getChildrenEnd();
         while (current_participant_model != end_participant_model)
         {
-            LLConversationItem* participant_model = dynamic_cast<LLConversationItem*>(*current_participant_model);
+            LLConversationItem* participant_model = dynamic_cast<LLConversationItem*>((*current_participant_model).get());
             LLConversationViewParticipant* participant_view = createConversationViewParticipant(participant_model);
             participant_view->addToFolder(widget);
             current_participant_model++;
diff --git a/indra/newview/llfloaterimsessiontab.cpp b/indra/newview/llfloaterimsessiontab.cpp
index 733e178de3..5160ac4d34 100644
--- a/indra/newview/llfloaterimsessiontab.cpp
+++ b/indra/newview/llfloaterimsessiontab.cpp
@@ -107,26 +107,6 @@ LLFloaterIMSessionTab::~LLFloaterIMSessionTab()
     delete mRefreshTimer;
     LLIMMgr::instance().removeSessionObserver(this);
     mEmojiCloseConn.disconnect();
-
-    LLFloaterIMContainer* im_container = LLFloaterIMContainer::findInstance();
-    if (im_container)
-    {
-        LLParticipantList* session = dynamic_cast<LLParticipantList*>(im_container->getSessionModel(mSessionID));
-        if (session)
-        {
-            for (const conversations_widgets_map::value_type& widget_pair : mConversationsWidgets)
-            {
-                LLFolderViewItem* widget = widget_pair.second;
-                LLFolderViewModelItem* item_vmi = widget->getViewModelItem();
-                if (item_vmi && item_vmi->getNumRefs() == 1)
-                {
-                    // This is the last pointer, remove participant from session
-                    // before participant gets deleted on destroyView.
-                    session->removeChild(item_vmi);
-                }
-            }
-        }
-    }
 }
 
 // static
@@ -731,7 +711,7 @@ void LLFloaterIMSessionTab::buildConversationViewParticipant()
     LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = item->getChildrenEnd();
     while (current_participant_model != end_participant_model)
     {
-        LLConversationItem* participant_model = dynamic_cast<LLConversationItem*>(*current_participant_model);
+        LLConversationItem* participant_model = dynamic_cast<LLConversationItem*>((*current_participant_model).get());
         if (participant_model)
         {
             addConversationViewParticipant(participant_model);
@@ -775,27 +755,6 @@ void LLFloaterIMSessionTab::removeConversationViewParticipant(const LLUUID& part
     LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,participant_id);
     if (widget)
     {
-        LLFolderViewModelItem* item_vmi = widget->getViewModelItem();
-        if (item_vmi && item_vmi->getNumRefs() == 1)
-        {
-            // This is the last pointer, remove participant from session
-            // before participant gets deleted on destroyView.
-            //
-            // Floater (widget) and participant's view can simultaneously
-            // co-own the model, in which case view is responsible for
-            // the deletion and floater is free to clear and recreate
-            // the list, yet there are cases where only widget owns
-            // the pointer so it should do the cleanup.
-            // See "add_participant".
-            //
-            // Todo: If it keeps causing issues turn participants
-            // into LLPointers in the session
-            LLParticipantList* session = getParticipantList();
-            if (session)
-            {
-                session->removeChild(item_vmi);
-            }
-        }
         widget->destroyView();
     }
     mConversationsWidgets.erase(participant_id);
@@ -861,7 +820,7 @@ void LLFloaterIMSessionTab::refreshConversation()
             LLIMSpeakerMgr *speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
             while (current_participant_model != end_participant_model)
             {
-                LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>(*current_participant_model);
+                LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>((*current_participant_model).get());
                 if (speaker_mgr && participant_model)
                 {
                     LLSpeaker *participant_speaker = speaker_mgr->findSpeaker(participant_model->getUUID());
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 234885eba7..6a6766fb3f 100644
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -165,7 +165,7 @@ bool LLFloaterModelPreview::postBuild()
     for (S32 lod = 0; lod <= LLModel::LOD_HIGH; ++lod)
     {
         LLComboBox* lod_source_combo = getChild<LLComboBox>("lod_source_" + lod_name[lod]);
-        lod_source_combo->setCommitCallback(boost::bind(&LLFloaterModelPreview::onLoDSourceCommit, this, lod, true));
+        lod_source_combo->setCommitCallback(boost::bind(&LLFloaterModelPreview::onLoDSourceCommit, this, lod));
         lod_source_combo->setCurrentByIndex(mLODMode[lod]);
 
         getChild<LLButton>("lod_browse_" + lod_name[lod])->setCommitCallback(boost::bind(&LLFloaterModelPreview::onBrowseLOD, this, lod));
@@ -766,7 +766,7 @@ void LLFloaterModelPreview::onLODParamCommit(S32 lod, bool enforce_tri_limit)
         LLComboBox* lod_source_combo = getChild<LLComboBox>("lod_source_" + lod_name[i]);
         if (lod_source_combo->getCurrentIndex() == LLModelPreview::USE_LOD_ABOVE)
         {
-            onLoDSourceCommit(i, false);
+            onLoDSourceCommit(i);
         }
         else
         {
@@ -1760,7 +1760,7 @@ void LLFloaterModelPreview::toggleCalculateButton(bool visible)
     }
 }
 
-void LLFloaterModelPreview::onLoDSourceCommit(S32 lod, bool refresh_ui)
+void LLFloaterModelPreview::onLoDSourceCommit(S32 lod)
 {
     mModelPreview->updateLodControls(lod);
 
diff --git a/indra/newview/llfloatermodelpreview.h b/indra/newview/llfloatermodelpreview.h
index f8f2cd7812..7b652a3613 100644
--- a/indra/newview/llfloatermodelpreview.h
+++ b/indra/newview/llfloatermodelpreview.h
@@ -206,7 +206,7 @@ private:
     void onClickCalculateBtn();
     void onJointListSelection();
 
-    void onLoDSourceCommit(S32 lod, bool refresh_ui);
+    void onLoDSourceCommit(S32 lod);
 
     void modelUpdated(bool calculate_visible);
 
diff --git a/indra/newview/llfloaterpreference.cpp b/indra/newview/llfloaterpreference.cpp
index 36a68a7017..dc5346634e 100644
--- a/indra/newview/llfloaterpreference.cpp
+++ b/indra/newview/llfloaterpreference.cpp
@@ -528,6 +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/llfloaterworldmap.cpp b/indra/newview/llfloaterworldmap.cpp
index 6e6eaa3a20..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
 {
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/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/llinventorybridge.cpp b/indra/newview/llinventorybridge.cpp
index edefb5d109..359a009fef 100644
--- a/indra/newview/llinventorybridge.cpp
+++ b/indra/newview/llinventorybridge.cpp
@@ -4555,6 +4555,7 @@ void LLFolderBridge::buildContextMenuOptions(U32 flags, menuentry_vec_t&   items
                 items.push_back(std::string("Rename"));
                 items.push_back(std::string("thumbnail"));
 
+                addInventoryFavoritesMenuOptions(items);
                 addDeleteContextMenuOptions(items, disabled_items);
                 // EXT-4030: disallow deletion of currently worn outfit
                 const LLViewerInventoryItem* base_outfit_link = LLAppearanceMgr::instance().getBaseOutfitLink();
@@ -4572,6 +4573,7 @@ void LLFolderBridge::buildContextMenuOptions(U32 flags, menuentry_vec_t&   items
                 EMyOutfitsSubfolderType in_my_outfits = myoutfit_object_subfolder_type(model, mUUID, outfits_id);
                 if (in_my_outfits != MY_OUTFITS_NO)
                 {
+                    // Either an outfit or a subfolder inside MY_OUTFITS
                     if (in_my_outfits == MY_OUTFITS_SUBFOLDER)
                     {
                         // Not inside an outfit, but inside 'my outfits'
@@ -4581,6 +4583,7 @@ void LLFolderBridge::buildContextMenuOptions(U32 flags, menuentry_vec_t&   items
                     items.push_back(std::string("Rename"));
                     items.push_back(std::string("thumbnail"));
 
+                    addInventoryFavoritesMenuOptions(items);
                     addDeleteContextMenuOptions(items, disabled_items);
                 }
                 else
@@ -4629,14 +4632,7 @@ void LLFolderBridge::buildContextMenuOptions(U32 flags, menuentry_vec_t&   items
         if (model->findCategoryUUIDForType(LLFolderType::FT_CURRENT_OUTFIT) == mUUID)
         {
             items.push_back(std::string("Copy outfit list to clipboard"));
-            if (isFavorite())
-            {
-                items.push_back(std::string("Remove from Favorites"));
-            }
-            else
-            {
-                items.push_back(std::string("Add to Favorites"));
-            }
+            addInventoryFavoritesMenuOptions(items);
 
             addOpenFolderMenuOptions(flags, items);
         }
@@ -4898,6 +4894,18 @@ void LLFolderBridge::addOpenFolderMenuOptions(U32 flags, menuentry_vec_t& items)
     }
 }
 
+void LLFolderBridge::addInventoryFavoritesMenuOptions(menuentry_vec_t& items)
+{
+    if (isFavorite())
+    {
+        items.push_back(std::string("Remove from Favorites"));
+    }
+    else
+    {
+        items.push_back(std::string("Add to Favorites"));
+    }
+}
+
 bool LLFolderBridge::hasChildren() const
 {
     LLInventoryModel* model = getInventoryModel();
diff --git a/indra/newview/llinventorybridge.h b/indra/newview/llinventorybridge.h
index ea80b6959a..d96adbd1d2 100644
--- a/indra/newview/llinventorybridge.h
+++ b/indra/newview/llinventorybridge.h
@@ -345,6 +345,7 @@ protected:
     void buildContextMenuOptions(U32 flags, menuentry_vec_t& items,   menuentry_vec_t& disabled_items);
     void buildContextMenuFolderOptions(U32 flags, menuentry_vec_t& items,   menuentry_vec_t& disabled_items);
     void addOpenFolderMenuOptions(U32 flags, menuentry_vec_t& items);
+    void addInventoryFavoritesMenuOptions(menuentry_vec_t& items); // Inventory favorites, not toolbar favorites
 
     //--------------------------------------------------------------------
     // Menu callbacks
diff --git a/indra/newview/llinventoryfunctions.cpp b/indra/newview/llinventoryfunctions.cpp
index a3e4f6a65d..d1fd82a7f1 100644
--- a/indra/newview/llinventoryfunctions.cpp
+++ b/indra/newview/llinventoryfunctions.cpp
@@ -3998,15 +3998,17 @@ void LLInventoryAction::buildMarketplaceFolders(LLFolderView* root)
     for (; set_iter != selected_items.end(); ++set_iter)
     {
         viewModel = dynamic_cast<LLFolderViewModelItemInventory *>((*set_iter)->getViewModelItem());
-        if (!viewModel || !viewModel->getInventoryObject()) continue;
-        if (gInventory.isObjectDescendentOf(viewModel->getInventoryObject()->getParentUUID(), marketplacelistings_id))
+        if (!viewModel) continue;
+        LLInventoryObject* inv_obj = viewModel->getInventoryObject();
+        if (!inv_obj) continue;
+        if (gInventory.isObjectDescendentOf(inv_obj->getParentUUID(), marketplacelistings_id))
         {
-            const LLUUID &parent_id = viewModel->getInventoryObject()->getParentUUID();
+            const LLUUID &parent_id = inv_obj->getParentUUID();
             if (parent_id != marketplacelistings_id)
             {
                 sMarketplaceFolders.push_back(parent_id);
             }
-            const LLUUID &curr_id = viewModel->getInventoryObject()->getUUID();
+            const LLUUID &curr_id = inv_obj->getUUID();
             if (curr_id != marketplacelistings_id)
             {
                 sMarketplaceFolders.push_back(curr_id);
diff --git a/indra/newview/llinventorymodel.cpp b/indra/newview/llinventorymodel.cpp
index d419f67d47..943f41b6a7 100644
--- a/indra/newview/llinventorymodel.cpp
+++ b/indra/newview/llinventorymodel.cpp
@@ -78,7 +78,7 @@
 
 // Increment this if the inventory contents change in a non-backwards-compatible way.
 // For viewer 2, the addition of link items makes a pre-viewer-2 cache incorrect.
-const S32 LLInventoryModel::sCurrentInvCacheVersion = 4;
+const S32 LLInventoryModel::sCurrentInvCacheVersion = 5;
 bool LLInventoryModel::sFirstTimeInViewer2 = true;
 
 S32 LLInventoryModel::sPendingSystemFolders = 0;
@@ -3384,7 +3384,7 @@ bool LLInventoryModel::loadFromFile(const std::string& filename,
     }
     LL_INFOS(LOG_INV) << "loading inventory from: (" << filename << ")" << LL_ENDL;
 
-    llifstream file(filename.c_str());
+    llifstream file(filename.c_str(), std::ifstream::in | std::ifstream::binary);
 
     if (!file.is_open())
     {
@@ -3393,80 +3393,92 @@ bool LLInventoryModel::loadFromFile(const std::string& filename,
     }
 
     is_cache_obsolete = true; // Obsolete until proven current
-
-    //U64 lines_count = 0U;
-    std::string line;
-    LLPointer<LLSDParser> parser = new LLSDNotationParser();
-    while (std::getline(file, line))
+    U32 value_nbo = 0;
+    file.read((char*)&value_nbo, sizeof(U32));
+    if (file.fail())
+    {
+        LL_WARNS(LOG_INV) << "Failed to read cache version. Unable to load inventory from: " << filename << LL_ENDL;
+    }
+    else
     {
-        LLSD s_item;
-        std::istringstream iss(line);
-        if (parser->parse(iss, s_item, line.length()) == LLSDParser::PARSE_FAILURE)
+        S32 version = (S32)ntohl(value_nbo);
+        if (version == sCurrentInvCacheVersion)
         {
-            LL_WARNS(LOG_INV)<< "Parsing inventory cache failed" << LL_ENDL;
-            break;
+            // Cache is up to date
+            is_cache_obsolete = false;
         }
-
-        if (s_item.has("inv_cache_version"))
+        else
         {
-            S32 version = s_item["inv_cache_version"].asInteger();
-            if (version == sCurrentInvCacheVersion)
-            {
-                // Cache is up to date
-                is_cache_obsolete = false;
-                continue;
-            }
-            else
-            {
-                LL_WARNS(LOG_INV)<< "Inventory cache is out of date" << LL_ENDL;
-                break;
-            }
+            LL_WARNS(LOG_INV) << "Inventory cache is out of date" << LL_ENDL;
         }
-        else if (s_item.has("cat_id"))
+    }
+
+    LLSD inventory;
+    if (!is_cache_obsolete)
+    {
+        LLPointer<LLSDParser> parser = new LLSDBinaryParser();
+
+        if (parser->parse(file, inventory, LLSDSerialize::SIZE_UNLIMITED) == LLSDParser::PARSE_FAILURE)
         {
-            if (is_cache_obsolete)
-                break;
+            is_cache_obsolete = true;
+            LL_WARNS(LOG_INV) << "Parsing inventory cache failed" << LL_ENDL;
+        }
+    }
 
-            LLPointer<LLViewerInventoryCategory> inv_cat = new LLViewerInventoryCategory(LLUUID::null);
-            if(inv_cat->importLLSD(s_item))
+    if (!is_cache_obsolete)
+    {
+        const LLSD& llsd_cats = inventory["categories"];
+        if (llsd_cats.isArray())
+        {
+            LLSD::array_const_iterator iter = llsd_cats.beginArray();
+            LLSD::array_const_iterator end = llsd_cats.endArray();
+            for (; iter != end; ++iter)
             {
-                categories.push_back(inv_cat);
+                LLPointer<LLViewerInventoryCategory> inv_cat = new LLViewerInventoryCategory(LLUUID::null);
+                if (inv_cat->importLLSDMap(*iter))
+                {
+                    categories.push_back(inv_cat);
+                }
             }
         }
-        else if (s_item.has("item_id"))
-        {
-            if (is_cache_obsolete)
-                break;
 
-            LLPointer<LLViewerInventoryItem> inv_item = new LLViewerInventoryItem;
-            if( inv_item->fromLLSD(s_item) )
+        const LLSD& llsd_items = inventory["items"];
+        if (llsd_items.isArray())
+        {
+            LLSD::array_const_iterator iter = llsd_items.beginArray();
+            LLSD::array_const_iterator end = llsd_items.endArray();
+            for (; iter != end; ++iter)
             {
-                if(inv_item->getUUID().isNull())
-                {
-                    LL_DEBUGS(LOG_INV) << "Ignoring inventory with null item id: "
-                        << inv_item->getName() << LL_ENDL;
-                }
-                else
+                LLPointer<LLViewerInventoryItem> inv_item = new LLViewerInventoryItem;
+                if (inv_item->fromLLSD(*iter))
                 {
-                    if (inv_item->getType() == LLAssetType::AT_UNKNOWN)
+                    if (inv_item->getUUID().isNull())
                     {
-                        cats_to_update.insert(inv_item->getParentUUID());
+                        LL_DEBUGS(LOG_INV) << "Ignoring inventory with null item id: "
+                            << inv_item->getName() << LL_ENDL;
                     }
                     else
                     {
-                        items.push_back(inv_item);
+                        if (inv_item->getType() == LLAssetType::AT_UNKNOWN)
+                        {
+                            cats_to_update.insert(inv_item->getParentUUID());
+                        }
+                        else
+                        {
+                            items.push_back(inv_item);
+                        }
                     }
                 }
+
+                //      TODO(brad) - figure out how to reenable this without breaking everything else
+                //      static constexpr U64 BATCH_SIZE = 512U;
+                //      if ((++lines_count % BATCH_SIZE) == 0)
+                //      {
+                //          // SL-19968 - make sure message system code gets a chance to run every so often
+                //          pump_idle_startup_network();
+                //      }
             }
         }
-
-//      TODO(brad) - figure out how to reenable this without breaking everything else
-//      static constexpr U64 BATCH_SIZE = 512U;
-//      if ((++lines_count % BATCH_SIZE) == 0)
-//      {
-//          // SL-19968 - make sure message system code gets a chance to run every so often
-//          pump_idle_startup_network();
-//      }
     }
 
     file.close();
@@ -3489,58 +3501,54 @@ bool LLInventoryModel::saveToFile(const std::string& filename,
 
     try
     {
-        llofstream fileXML(filename.c_str());
-        if (!fileXML.is_open())
+        llofstream fileSD(filename.c_str(), std::ios_base::out | std::ios_base::binary);
+        if (!fileSD.is_open())
         {
             LL_WARNS(LOG_INV) << "Failed to open file. Unable to save inventory to: " << filename << LL_ENDL;
             return false;
         }
-
-        LLSD cache_ver;
-        cache_ver["inv_cache_version"] = sCurrentInvCacheVersion;
-
-        if (fileXML.fail())
+        U32 value_nbo = htonl(sCurrentInvCacheVersion);
+        fileSD.write((const char*)(&value_nbo), sizeof(U32));
+        if (fileSD.fail())
         {
-            LL_WARNS(LOG_INV) << "Failed to write cache version to file. Unable to save inventory to: " << filename << LL_ENDL;
+            LL_WARNS(LOG_INV) << "Failed to write cache. Unable to save inventory to: " << filename << LL_ENDL;
             return false;
         }
 
-        fileXML << LLSDOStreamer<LLSDNotationFormatter>(cache_ver) << std::endl;
+        LLSD inventory;
+        inventory["categories"] = LLSD::emptyArray();
+        LLSD& cat_array = inventory["categories"];
 
         S32 cat_count = 0;
         for (auto& cat : categories)
         {
             if (cat->getVersion() != LLViewerInventoryCategory::VERSION_UNKNOWN)
             {
-                LLSD sd = LLSD::emptyMap();
+                LLSD sd;
                 cat->exportLLSD(sd);
-                fileXML << LLSDOStreamer<LLSDNotationFormatter>(sd) << std::endl;
+                cat_array.append(sd);
                 cat_count++;
             }
-
-            if (fileXML.fail())
-            {
-                LL_WARNS(LOG_INV) << "Failed to write a folder to file. Unable to save inventory to: " << filename << LL_ENDL;
-                return false;
-            }
         }
 
+        inventory["items"] = LLSD::emptyArray();
+        LLSD& item_array = inventory["items"];
         auto it_count = items.size();
         for (auto& item : items)
         {
-            LLSD sd = LLSD::emptyMap();
+            LLSD sd;
             item->asLLSD(sd);
-            fileXML << LLSDOStreamer<LLSDNotationFormatter>(sd) << std::endl;
-
-            if (fileXML.fail())
-            {
-                LL_WARNS(LOG_INV) << "Failed to write an item to file. Unable to save inventory to: " << filename << LL_ENDL;
-                return false;
-            }
+            item_array.append(sd);
+        }
+        fileSD << LLSDOStreamer<LLSDBinaryFormatter>(inventory) << std::endl;
+        if (fileSD.fail())
+        {
+            LL_WARNS(LOG_INV) << "Failed to write cache. Unable to save inventory to: " << filename << LL_ENDL;
+            return false;
         }
-        fileXML.flush();
+        fileSD.flush();
 
-        fileXML.close();
+        fileSD.close();
 
         LL_INFOS(LOG_INV) << "Inventory saved: " << (S32)cat_count << " categories, " << (S32)it_count << " items." << LL_ENDL;
     }
diff --git a/indra/newview/lllogchat.cpp b/indra/newview/lllogchat.cpp
index e86599035e..9034678782 100644
--- a/indra/newview/lllogchat.cpp
+++ b/indra/newview/lllogchat.cpp
@@ -32,6 +32,8 @@
 #include "lllogchat.h"
 #include "llregex.h"
 #include "lltrans.h"
+#include "llurlaction.h"
+#include "llurlentry.h"
 #include "llviewercontrol.h"
 
 #include "lldiriterator.h"
@@ -360,13 +362,29 @@ void LLLogChat::saveHistory(const std::string& filename,
         return;
     }
 
+    std::string altered_line = line;
+
+    // avoid costly regex calls
+    if (line.find("/mention") != std::string::npos)
+    {
+        static const boost::regex mention_regex(APP_HEADER_REGEX "/agent/[\\da-f-]+/mention", boost::regex::perl | boost::regex::icase);
+
+        // replace mention URL with [@username](URL)
+        altered_line = boost::regex_replace(line, mention_regex, [](const boost::smatch& match) -> std::string
+        {
+            std::string url = match[0].str();
+            std::string username = LLUrlAction::getURLLabel(url);
+            return "[" + username + "](" + url + ")";
+        });
+    }
+
     LLSD item;
 
     if (gSavedPerAccountSettings.getBOOL("LogTimestamp"))
          item["time"] = LLLogChat::timestamp2LogString(0, gSavedPerAccountSettings.getBOOL("LogTimestampDate"));
 
     item["from_id"] = from_id;
-    item["message"] = line;
+    item["message"] = altered_line;
 
     //adding "Second Life:" for all system messages to make chat log history parsing more reliable
     if (from.empty() && from_id.isNull())
@@ -472,6 +490,19 @@ void LLLogChat::loadChatHistory(const std::string& file_name, std::list<LLSD>& m
 
         std::string line(remove_utf8_bom(buffer));
 
+
+        // fast heuristic test for a mention URL in a string
+        // this is used to avoid costly regex calls
+        if (line.find("/mention)") != std::string::npos)
+        {
+            // restore original mention URL from [@username](URL) format
+            static const boost::regex altered_mention_regex("\\[@([^\\]]+)\\]\\((" APP_HEADER_REGEX "/agent/[\\da-f-]+/mention)\\)",
+                                                            boost::regex::perl | boost::regex::icase);
+
+            // $2 captures the URL part
+            line = boost::regex_replace(line, altered_mention_regex, "$2");
+        }
+
         //updated 1.23 plain text log format requires a space added before subsequent lines in a multilined message
         if (' ' == line[0])
         {
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
index 57acf51e26..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);
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/lloutfitslist.cpp b/indra/newview/lloutfitslist.cpp
index 2b2b5ea696..cb2a6191fa 100644
--- a/indra/newview/lloutfitslist.cpp
+++ b/indra/newview/lloutfitslist.cpp
@@ -34,11 +34,13 @@
 #include "llaccordionctrl.h"
 #include "llaccordionctrltab.h"
 #include "llagentwearables.h"
+#include "llaisapi.h"
 #include "llappearancemgr.h"
 #include "llappviewer.h"
 #include "llfloaterreg.h"
 #include "llfloatersidepanelcontainer.h"
 #include "llinspecttexture.h"
+#include "llinventorymodelbackgroundfetch.h"
 #include "llinventoryfunctions.h"
 #include "llinventorymodel.h"
 #include "llmenubutton.h"
@@ -247,12 +249,22 @@ void LLOutfitsList::updateAddedCategory(LLUUID cat_id)
 
     list->setRightMouseDownCallback(boost::bind(&LLOutfitsList::onWearableItemsListRightClick, this, _1, _2, _3));
 
-    // Fetch the new outfit contents.
-    cat->fetch();
-
-    // Refresh the list of outfit items after fetch().
-    // Further list updates will be triggered by the category observer.
-    list->updateList(cat_id);
+    if (AISAPI::isAvailable() && LLInventoryModelBackgroundFetch::instance().folderFetchActive())
+    {
+        // for reliability just fetch it whole, linked items included
+        LLInventoryModelBackgroundFetch::instance().fetchFolderAndLinks(cat_id, [cat_id, list]
+        {
+            if (list) list->updateList(cat_id);
+        });
+    }
+    else
+    {
+        // Fetch the new outfit contents.
+        cat->fetch();
+        // Refresh the list of outfit items after fetch().
+        // Further list updates will be triggered by the category observer.
+        list->updateList(cat_id);
+    }
 
     // If filter is currently applied we store the initial tab state.
     if (!getFilterSubString().empty())
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 4909c11bae..514d772340 100644
--- a/indra/newview/llpanelface.cpp
+++ b/indra/newview/llpanelface.cpp
@@ -2205,7 +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;
 
@@ -2227,7 +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 = "";
@@ -2236,12 +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)
@@ -2262,9 +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;
         }
@@ -2301,7 +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()
@@ -3374,6 +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");
 }
@@ -3392,6 +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);
     }
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/llpanelpeople.cpp b/indra/newview/llpanelpeople.cpp
index 01541968de..42c40fe404 100644
--- a/indra/newview/llpanelpeople.cpp
+++ b/indra/newview/llpanelpeople.cpp
@@ -846,7 +846,7 @@ void LLPanelPeople::updateNearbyList()
     mNearbyList->setDirty();
 #ifdef LL_DISCORD
     if (gSavedSettings.getBOOL("EnableDiscord"))
-        LLAppViewer::updateDiscordPartyMaxSize(mNearbyList->getIDs().size());
+        LLAppViewer::updateDiscordPartyMaxSize((S32)mNearbyList->getIDs().size());
 #endif
 
     DISTANCE_COMPARATOR.updateAvatarsPositions(positions, mNearbyList->getIDs());
diff --git a/indra/newview/llpanelpeoplemenus.cpp b/indra/newview/llpanelpeoplemenus.cpp
index 6966cb38ab..794ae4ad44 100644
--- a/indra/newview/llpanelpeoplemenus.cpp
+++ b/indra/newview/llpanelpeoplemenus.cpp
@@ -155,11 +155,15 @@ 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/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index 1948bba4be..00c219fdda 100644
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -2249,6 +2249,7 @@ void LLSelectMgr::selectionRevertGLTFMaterials()
             {
                 // Restore base material
                 LLUUID asset_id = nodep->mSavedGLTFMaterialIds[te];
+                LLUUID old_asset_id = objectp->getRenderMaterialID(te);
 
                 // Update material locally
                 objectp->setRenderMaterialID(te, asset_id, false /*wait for LLGLTFMaterialList update*/);
@@ -2259,18 +2260,29 @@ void LLSelectMgr::selectionRevertGLTFMaterials()
                     objectp->setTEGLTFMaterialOverride(te, material);
                 }
 
-                // Enqueue update to server
-                if (asset_id.notNull() && material)
+                if (asset_id.isNull() || !material)
+                {
+                    //blank override out
+                    LLGLTFMaterialList::queueApply(objectp, te, asset_id);
+                }
+                if (old_asset_id != asset_id)
                 {
                     // Restore overrides and base material
+                    // Note: might not work reliably if asset is already there, might
+                    // have a server sided problem where servers applies override
+                    // first then resets it by adding asset, in which case need
+                    // to create a server ticket and chain asset then override
+                    // application.
                     LLGLTFMaterialList::queueApply(objectp, te, asset_id, material);
                 }
                 else
                 {
-                    //blank override out
-                    LLGLTFMaterialList::queueApply(objectp, te, asset_id);
+                    // Enqueue override update to server
+                    // Note: this is suboptimal, better to send asset id as well
+                    // but there seems to be a server problem with queueApply
+                    // that ignores override in some cases
+                    LLGLTFMaterialList::queueModify(objectp, te, material);
                 }
-
             }
             return true;
         }
diff --git a/indra/newview/llspeakers.cpp b/indra/newview/llspeakers.cpp
index 12a9d5e9b7..b49c0119ed 100644
--- a/indra/newview/llspeakers.cpp
+++ b/indra/newview/llspeakers.cpp
@@ -1028,7 +1028,7 @@ void LLLocalSpeakerMgr::updateSpeakerList()
     LLWorld::getInstance()->getAvatars(&avatar_ids, &positions, gAgent.getPositionGlobal(), CHAT_NORMAL_RADIUS);
 #ifdef LL_DISCORD
     if (gSavedSettings.getBOOL("EnableDiscord"))
-        LLAppViewer::updateDiscordPartyCurrentSize(avatar_ids.size());
+        LLAppViewer::updateDiscordPartyCurrentSize((S32)avatar_ids.size());
 #endif
     for(U32 i=0; i<avatar_ids.size(); i++)
     {
diff --git a/indra/newview/llstatusbar.cpp b/indra/newview/llstatusbar.cpp
index bda75c16e7..bf4ec14487 100644
--- a/indra/newview/llstatusbar.cpp
+++ b/indra/newview/llstatusbar.cpp
@@ -115,6 +115,8 @@ LLStatusBar::LLStatusBar(const LLRect& rect)
     mBtnVolume(NULL),
     mBoxBalance(NULL),
     mBalance(0),
+    mBalanceClicked(false),
+    mObscureBalance(false),
     mHealth(100),
     mSquareMetersCredit(0),
     mSquareMetersCommitted(0),
@@ -126,8 +128,6 @@ LLStatusBar::LLStatusBar(const LLRect& rect)
     // status bar can possible overlay menus?
     setMouseOpaque(false);
 
-    mBalanceTimer = new LLFrameTimer();
-    mHealthTimer = new LLFrameTimer();
     mFpsUpdateTimer = new LLFrameTimer();
 
     buildFromFile("panel_status_bar.xml");
@@ -135,12 +135,6 @@ LLStatusBar::LLStatusBar(const LLRect& rect)
 
 LLStatusBar::~LLStatusBar()
 {
-    delete mBalanceTimer;
-    mBalanceTimer = NULL;
-
-    delete mHealthTimer;
-    mHealthTimer = NULL;
-
     // LLView destructor cleans up children
 }
 
@@ -176,7 +170,8 @@ 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));
@@ -196,12 +191,14 @@ 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;
@@ -334,6 +331,12 @@ void LLStatusBar::refresh()
         mTextTime->setToolTip (dtStr);
     }
 
+    if (mBalanceClicked && mBalanceClickTimer.getElapsedTimeF32() > 1.f)
+    {
+        mBalanceClicked = false;
+        sendMoneyBalanceRequest();
+    }
+
     LLRect r;
     const S32 MENU_RIGHT = gMenuBarView->getRightmostMenuEdge();
 
@@ -399,9 +402,17 @@ 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();
 
@@ -421,8 +432,6 @@ void LLStatusBar::setBalance(S32 balance)
 
     if( balance != mBalance )
     {
-        mBalanceTimer->reset();
-        mBalanceTimer->setTimerExpirySec( ICON_TIMER_EXPIRY );
         mBalance = balance;
     }
 }
@@ -474,9 +483,6 @@ void LLStatusBar::setHealth(S32 health)
                 }
             }
         }
-
-        mHealthTimer->reset();
-        mHealthTimer->setTimerExpirySec( ICON_TIMER_EXPIRY );
     }
 
     mHealth = health;
@@ -636,13 +642,27 @@ 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)
 {
@@ -678,6 +698,12 @@ 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 86c1ccd051..f1225a22f8 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();
 
     static void onClickFps(void* data);
 
@@ -139,11 +142,12 @@ private:
     LLFrameTimer    *mFpsUpdateTimer;
 
     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/lltooldraganddrop.cpp b/indra/newview/lltooldraganddrop.cpp
index 3665ff5e87..b4a5955be3 100644
--- a/indra/newview/lltooldraganddrop.cpp
+++ b/indra/newview/lltooldraganddrop.cpp
@@ -1125,28 +1125,33 @@ void set_texture_to_material(LLViewerObject* hit_obj,
         case LLGLTFMaterial::GLTF_TEXTURE_INFO_BASE_COLOR:
         default:
             {
-                material->setBaseColorId(asset_id);
+                material->setBaseColorId(asset_id, true);
             }
             break;
 
         case LLGLTFMaterial::GLTF_TEXTURE_INFO_METALLIC_ROUGHNESS:
             {
-                material->setOcclusionRoughnessMetallicId(asset_id);
+                material->setOcclusionRoughnessMetallicId(asset_id, true);
             }
             break;
 
         case LLGLTFMaterial::GLTF_TEXTURE_INFO_EMISSIVE:
             {
-                material->setEmissiveId(asset_id);
+                material->setEmissiveId(asset_id, true);
             }
             break;
 
         case LLGLTFMaterial::GLTF_TEXTURE_INFO_NORMAL:
             {
-                material->setNormalId(asset_id);
+                material->setNormalId(asset_id, true);
             }
             break;
     }
+    // Update viewer side, needed for updating mSavedGLTFOverrideMaterials.
+    // Also for parity, we are immediately setting textures and materials,
+    // so we should immediate set overrides to.
+    hit_obj->setTEGLTFMaterialOverride(hit_face, material);
+    // update server
     LLGLTFMaterialList::queueModify(hit_obj, hit_face, material);
 }
 
diff --git a/indra/newview/llviewerinventory.cpp b/indra/newview/llviewerinventory.cpp
index 5f61aeaf13..6155058f14 100644
--- a/indra/newview/llviewerinventory.cpp
+++ b/indra/newview/llviewerinventory.cpp
@@ -761,18 +761,23 @@ void LLViewerInventoryCategory::exportLLSD(LLSD & cat_data) const
     cat_data[INV_VERSION] = mVersion;
 }
 
-bool LLViewerInventoryCategory::importLLSD(const LLSD& cat_data)
+bool LLViewerInventoryCategory::importLLSD(const std::string& label, const LLSD& value)
 {
-    LLInventoryCategory::importLLSD(cat_data);
-    if (cat_data.has(INV_OWNER_ID))
+    if (LLInventoryCategory::importLLSD(label, value))
     {
-        mOwnerID = cat_data[INV_OWNER_ID].asUUID();
+        return true;
     }
-    if (cat_data.has(INV_VERSION))
+    else if (label == INV_OWNER_ID)
     {
-        setVersion(cat_data[INV_VERSION].asInteger());
+        mOwnerID = value.asUUID();
+        return true;
     }
-    return true;
+    else if (label == INV_VERSION)
+    {
+        setVersion(value.asInteger());
+        return true;
+    }
+    return false;
 }
 
 bool LLViewerInventoryCategory::acceptItem(LLInventoryItem* inv_item)
diff --git a/indra/newview/llviewerinventory.h b/indra/newview/llviewerinventory.h
index 5cd31353f8..0dfbf0cced 100644
--- a/indra/newview/llviewerinventory.h
+++ b/indra/newview/llviewerinventory.h
@@ -233,7 +233,7 @@ public:
     S32 getViewerDescendentCount() const;
 
     virtual void exportLLSD(LLSD &sd) const;
-    virtual bool importLLSD(const LLSD& cat_data);
+    virtual bool importLLSD(const std::string& label, const LLSD& value);
 
     void determineFolderType();
     void changeType(LLFolderType::EType new_folder_type);
diff --git a/indra/newview/llviewermedia_streamingaudio.cpp b/indra/newview/llviewermedia_streamingaudio.cpp
index 21f5ba64d7..959de38364 100644
--- a/indra/newview/llviewermedia_streamingaudio.cpp
+++ b/indra/newview/llviewermedia_streamingaudio.cpp
@@ -61,13 +61,26 @@ 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/llviewermenufile.cpp b/indra/newview/llviewermenufile.cpp
index d9d20611b4..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"
@@ -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 86bd11d1eb..0cd4a739ee 100644
--- a/indra/newview/llviewermessage.cpp
+++ b/indra/newview/llviewermessage.cpp
@@ -3214,6 +3214,7 @@ 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,
@@ -3291,6 +3292,20 @@ 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)
@@ -3424,6 +3439,7 @@ 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/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 80ede12b8a..e317ba262a 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -679,6 +679,7 @@ 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),
@@ -934,12 +935,12 @@ 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;
@@ -986,30 +987,45 @@ 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++;
+                    }
+                }
             }
         }
     }
@@ -1026,7 +1042,7 @@ std::string LLVOAvatar::rezStatusToString(S32 rez_status)
     switch (rez_status)
     {
     case 0:
-        return "cloud";
+        return "missing parts";
     case 1:
         return "gray";
     case 2:
@@ -3505,7 +3521,7 @@ 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)
     {
@@ -8255,7 +8271,7 @@ bool LLVOAvatar::isVisible() const
 }
 
 // Determine if we have enough avatar data to render
-bool LLVOAvatar::getIsCloud() const
+bool LLVOAvatar::getHasMissingParts() const
 {
     if (mIsDummy)
     {
@@ -8462,8 +8478,12 @@ 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)
@@ -11830,16 +11850,24 @@ void LLVOAvatar::readProfileQuery(S32 retries)
 
     }
     else
-    { // wait until next frame
-        LLUUID id = getID();
+    {
+        // wait until next frame
+        const LLUUID id = getID();
 
-        LL::WorkQueue::getInstance("mainloop")->post([id, retries] {
-            LLVOAvatar* avatar = (LLVOAvatar*) gObjectList.findObject(id);
-            if(avatar)
+        LL::WorkQueue::getInstance("mainloop")->post([id, retries]
+        {
+            LLViewerObject* object = gObjectList.findObject(id);
+            if (object
+                && !object->isDead()
+                && object->isAvatar()) // probably excessive, pcode isn't supposed to change
             {
-                avatar->readProfileQuery(retries);
+                LLVOAvatar* avatar = (LLVOAvatar*)object;
+                if (avatar)
+                {
+                    avatar->readProfileQuery(retries);
+                }
             }
-            });
+        });
     }
 }
 
diff --git a/indra/newview/llvoavatar.h b/indra/newview/llvoavatar.h
index 8e5b95ef25..1e563c4869 100644
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
@@ -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 ebba9ba291..653c7e82eb 100644
--- a/indra/newview/llvoavatarself.cpp
+++ b/indra/newview/llvoavatarself.cpp
@@ -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 f7cd974ab0..45985b2a80 100644
--- a/indra/newview/llvoavatarself.h
+++ b/indra/newview/llvoavatarself.h
@@ -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 facda1d876..e9c765f9de 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/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 b01f5e700d..08e381ebc5 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 94c8119d4d..654810e210 100644
--- a/indra/newview/skins/default/textures/textures.xml
+++ b/indra/newview/skins/default/textures/textures.xml
@@ -659,7 +659,6 @@ with the same filename but different name
 
   <texture name="login_mp_logo"  file_name="windows/login_mp_logo.png" preload="true" />
   <texture name="login_mp_logo_small"  file_name="windows/login_mp_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 58c417081a..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_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/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/notifications.xml b/indra/newview/skins/default/xui/en/notifications.xml
index a318093d7c..10c9efffd1 100644
--- a/indra/newview/skins/default/xui/en/notifications.xml
+++ b/indra/newview/skins/default/xui/en/notifications.xml
@@ -12674,4 +12674,15 @@ Select the "use as favorite folder" from a folder's menu to set it as the favori
     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 0a8ae48b02..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="0.0 0.0 0.0 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_mp_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 c38af9d4fa..54105a7d4e 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 809c001904..8ab7b48d19 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_privacy.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_privacy.xml
@@ -90,7 +90,7 @@
       name="online_visibility"
       top_pad="15"
       width="350" />
-    
+
     <check_box
      enabled_control="EnableVoiceChat"
      control_name="AutoDisengageMic"
@@ -101,6 +101,37 @@
      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"
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 5e05eb2837..e53a25ff6b 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/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 c778f1e838..ceb05980a5 100755
--- a/indra/newview/viewer_manifest.py
+++ b/indra/newview/viewer_manifest.py
@@ -151,7 +151,6 @@ 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")
@@ -559,6 +558,9 @@ 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")
@@ -1021,6 +1023,13 @@ 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 (
@@ -1825,6 +1834,7 @@ 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'),
         ]