diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index a7644e7a7b..e06affab37 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -4118,7 +4118,7 @@ bool LLNormalTextSegment::getDimensionsF32(S32 first_char, S32 num_chars, F32& w
 {
     height = 0;
     width = 0;
-    if (num_chars > 0)
+    if (num_chars > 0 && (mStart + first_char >= 0))
     {
         height = mFontHeight;
         const LLWString &text = getWText();
diff --git a/indra/newview/llstartup.cpp b/indra/newview/llstartup.cpp
index ffd8a85838..34af7617ea 100644
--- a/indra/newview/llstartup.cpp
+++ b/indra/newview/llstartup.cpp
@@ -61,6 +61,7 @@
 #include "lllocationhistory.h"
 #include "llgltfmateriallist.h"
 #include "llimageworker.h"
+#include "llregex.h"
 
 #include "llloginflags.h"
 #include "llmd5.h"
@@ -3491,6 +3492,27 @@ void release_notes_coro(const std::string url)
     LLWeb::loadURLInternal(url);
 }
 
+void validate_release_notes_coro(const std::string url)
+{
+    LLVersionInfo& versionInfo(LLVersionInfo::instance());
+    const boost::regex version_regex(R"(\b\d+\.\d+\.\d+\.\d+\b)");
+
+    if (url.find(versionInfo.getVersion()) == std::string::npos // has no our build version
+        && ll_regex_search(url, version_regex)) // has any version
+    {
+        LL_INFOS() << "Received release notes url \"" << url << "\" wwith mismatching build, falling back to locally generated url" << LL_ENDL;
+        // Updater only provides notes for a most recent version, if it is not
+        // the current one, fall back to the hardcoded URL.
+        LLSD info(LLAppViewer::instance()->getViewerInfo());
+        std::string alt_url = info["VIEWER_RELEASE_NOTES_URL"].asString();
+        release_notes_coro(alt_url);
+    }
+    else
+    {
+        release_notes_coro(url);
+    }
+}
+
 /**
 * Check if user is running a new version of the viewer.
 * Display the Release Notes if it's not overriden by the "UpdaterShowReleaseNotes" setting.
@@ -3524,7 +3546,7 @@ void show_release_notes_if_required()
                 "showrelnotes",
                 [](const LLSD& url) {
                     LLCoros::instance().launch("releaseNotesCoro",
-                    boost::bind(&release_notes_coro, url.asString()));
+                    boost::bind(&validate_release_notes_coro, url.asString()));
                 return false;
             });
         }
diff --git a/indra/newview/lltexturectrl.cpp b/indra/newview/lltexturectrl.cpp
index 5b2b5ffbd9..f8a9e653cc 100644
--- a/indra/newview/lltexturectrl.cpp
+++ b/indra/newview/lltexturectrl.cpp
@@ -188,6 +188,7 @@ LLFloaterTexturePicker::LLFloaterTexturePicker(
     mOnUpdateImageStatsCallback(NULL),
     mBakeTextureEnabled(false),
     mLocalTextureEnabled(false),
+    mNoCopyTextureSelected(false),
     mInventoryPickType(pick_type)
 {
     setTentative(tentative);
@@ -301,6 +302,7 @@ void LLFloaterTexturePicker::setImageID(const LLUUID& image_id, bool set_selecti
 
             if (set_selection)
             {
+                // This is going to cause a callback
                 mInventoryPanel->setSelection(item_id, TAKE_FOCUS_NO);
             }
         }
@@ -666,7 +668,6 @@ bool LLFloaterTexturePicker::postBuild()
         refreshInventoryFilter();
 
         mInventoryPanel->setFilterPermMask(mImmediateFilterPermMask);
-        mInventoryPanel->setSelectCallback(boost::bind(&LLFloaterTexturePicker::onSelectionChange, this, _1, _2));
         mInventoryPanel->setShowFolderState(LLInventoryFilter::SHOW_NON_EMPTY_FOLDERS);
 
         // Disable auto selecting first filtered item because it takes away
@@ -685,8 +686,25 @@ bool LLFloaterTexturePicker::postBuild()
 
         if(!mImageAssetID.isNull() || mInventoryPickType == PICK_MATERIAL)
         {
-            mInventoryPanel->setSelection(findItemID(mImageAssetID, false), TAKE_FOCUS_NO);
+            LLViewerInventoryItem* itemp = findInvItem(mImageAssetID, false);
+            LLUUID item_id;
+            if (itemp)
+            {
+                item_id = itemp->getUUID();
+            }
+
+            mInventoryPanel->setSelection(item_id, TAKE_FOCUS_NO);
+
+            if (item_id.notNull() && itemp)
+            {
+                if (!itemp->getPermissions().allowCopyBy(gAgent.getID()))
+                {
+                    mNoCopyTextureSelected = true;
+                }
+            }
         }
+        // Don't call before setSelection, setSelection will mark view as dirty
+        mInventoryPanel->setSelectCallback(boost::bind(&LLFloaterTexturePicker::onSelectionChange, this, _1, _2));
     }
 
     childSetAction("l_add_btn", LLFloaterTexturePicker::onBtnAdd, this);
@@ -875,12 +893,12 @@ void LLFloaterTexturePicker::draw()
     }
 }
 
-const LLUUID& LLFloaterTexturePicker::findItemID(const LLUUID& asset_id, bool copyable_only, bool ignore_library)
+LLViewerInventoryItem* LLFloaterTexturePicker::findInvItem(const LLUUID& asset_id, bool copyable_only, bool ignore_library) const
 {
     if (asset_id.isNull())
     {
         // null asset id means, no material or texture assigned
-        return LLUUID::null;
+        return nullptr;
     }
 
     LLUUID loockup_id = asset_id;
@@ -920,30 +938,41 @@ const LLUUID& LLFloaterTexturePicker::findItemID(const LLUUID& asset_id, bool co
         // search for copyable version first
         for (S32 i = 0; i < items.size(); i++)
         {
-            LLInventoryItem* itemp = items[i];
+            LLViewerInventoryItem* itemp = items[i];
             LLPermissions item_permissions = itemp->getPermissions();
             if (item_permissions.allowCopyBy(gAgent.getID(), gAgent.getGroupID()))
             {
-                if(!ignore_library || !gInventory.isObjectDescendentOf(itemp->getUUID(),gInventory.getLibraryRootFolderID()))
+                if (!ignore_library || !gInventory.isObjectDescendentOf(itemp->getUUID(), gInventory.getLibraryRootFolderID()))
                 {
-                    return itemp->getUUID();
+                    return itemp;
                 }
             }
         }
         // otherwise just return first instance, unless copyable requested
         if (copyable_only)
         {
-            return LLUUID::null;
+            return nullptr;
         }
         else
         {
-            if(!ignore_library || !gInventory.isObjectDescendentOf(items[0]->getUUID(),gInventory.getLibraryRootFolderID()))
+            if (!ignore_library || !gInventory.isObjectDescendentOf(items[0]->getUUID(), gInventory.getLibraryRootFolderID()))
             {
-                return items[0]->getUUID();
+                return items[0];
             }
         }
     }
 
+    return nullptr;
+}
+
+const LLUUID& LLFloaterTexturePicker::findItemID(const LLUUID& asset_id, bool copyable_only, bool ignore_library) const
+{
+    LLViewerInventoryItem* itemp = findInvItem(asset_id, copyable_only, ignore_library);
+    if (itemp)
+    {
+        return itemp->getUUID();
+    }
+
     return LLUUID::null;
 }
 
diff --git a/indra/newview/lltexturectrl.h b/indra/newview/lltexturectrl.h
index 82e7c7367a..6a9892bd55 100644
--- a/indra/newview/lltexturectrl.h
+++ b/indra/newview/lltexturectrl.h
@@ -369,7 +369,7 @@ public:
     void setImageID(const LLUUID& image_asset_id, bool set_selection = true);
     bool updateImageStats(); // true if within limits
     const LLUUID&   getAssetID() { return mImageAssetID; }
-    const LLUUID&   findItemID(const LLUUID& asset_id, bool copyable_only, bool ignore_library = false);
+    const LLUUID&   findItemID(const LLUUID& asset_id, bool copyable_only, bool ignore_library = false) const;
     void            setCanApplyImmediately(bool b);
 
     void            setActive(bool active);
@@ -430,6 +430,7 @@ protected:
     void refreshLocalList();
     void refreshInventoryFilter();
     void setImageIDFromItem(const LLInventoryItem* itemp, bool set_selection = true);
+    LLViewerInventoryItem* findInvItem(const LLUUID& asset_id, bool copyable_only, bool ignore_library = false) const;
 
     LLPointer<LLViewerTexture> mTexturep;
     LLPointer<LLFetchedGLTFMaterial> mGLTFMaterial;