diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index c5e43eacec..e8d6fcdc6a 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -23461,7 +23461,7 @@ Change of this parameter will affect the layout of buttons in notification toast
       <key>Type</key>
       <string>S32</string>
       <key>Value</key>
-      <integer>1</integer>
+      <integer>31</integer>
     </map>
 
   <key>FSNetMapPhantomOpacity</key>
diff --git a/indra/newview/gltf/accessor.cpp b/indra/newview/gltf/accessor.cpp
index d1845605d4..03f7331893 100644
--- a/indra/newview/gltf/accessor.cpp
+++ b/indra/newview/gltf/accessor.cpp
@@ -159,7 +159,7 @@ bool Buffer::prep(Asset& asset)
         std::string dir = gDirUtilp->getDirName(asset.mFilename);
         std::string bin_file = dir + gDirUtilp->getDirDelimiter() + mUri;
 
-        std::ifstream file(bin_file, std::ios::binary);
+        llifstream file(bin_file.c_str(), std::ios::binary);
         if (!file.is_open())
         {
             LL_WARNS("GLTF") << "Failed to open file: " << bin_file << LL_ENDL;
diff --git a/indra/newview/gltf/asset.cpp b/indra/newview/gltf/asset.cpp
index 8c9f77686a..e24aea4a28 100644
--- a/indra/newview/gltf/asset.cpp
+++ b/indra/newview/gltf/asset.cpp
@@ -696,7 +696,7 @@ bool Asset::load(std::string_view filename, bool loadIntoVRAM)
     mFilename = filename;
     std::string ext = gDirUtilp->getExtension(mFilename);
 
-    std::ifstream file(filename.data(), std::ios::binary);
+    llifstream file(filename.data(), std::ios::binary);
     if (file.is_open())
     {
         std::string str((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
diff --git a/indra/newview/gltf/llgltfloader.cpp b/indra/newview/gltf/llgltfloader.cpp
index 950e98c96d..dd1d327683 100644
--- a/indra/newview/gltf/llgltfloader.cpp
+++ b/indra/newview/gltf/llgltfloader.cpp
@@ -87,7 +87,8 @@ static const glm::mat4 coord_system_rotationxy(
     0.f, 0.f, 0.f, 1.f
 );
 
-static const S32 VERTICIES_LIMIT = USHRT_MAX - 2;
+static const S32 VERTEX_SPLIT_SAFETY_MARGIN = 3 * 3 + 1; // 10 vertices: 3 complete triangles plus remapping overhead
+static const S32 VERTEX_LIMIT = USHRT_MAX - VERTEX_SPLIT_SAFETY_MARGIN;
 
 LLGLTFLoader::LLGLTFLoader(std::string                filename,
     S32                                               lod,
@@ -951,7 +952,7 @@ bool LLGLTFLoader::populateModelFromMesh(LLModel* pModel, const std::string& bas
         }
 
         // Indices handling
-        if (faceVertices.size() >= VERTICIES_LIMIT)
+        if (faceVertices.size() >= VERTEX_LIMIT)
         {
             // Will have to remap 32 bit indices into 16 bit indices
             // For the sake of simplicity build vector of 32 bit indices first
@@ -1036,7 +1037,7 @@ bool LLGLTFLoader::populateModelFromMesh(LLModel* pModel, const std::string& bas
                 }
                 indices_16.push_back((U16)vert_index);
 
-                if (indices_16.size() % 3 == 0 && face_verts.size() >= VERTICIES_LIMIT - 1)
+                if (indices_16.size() % 3 == 0 && face_verts.size() >= VERTEX_LIMIT)
                 {
                     LLVolumeFace face;
                     face.fillFromLegacyData(face_verts, indices_16);
diff --git a/indra/newview/llfloaterworldmap.cpp b/indra/newview/llfloaterworldmap.cpp
index a6620f648f..6a958f2653 100644
--- a/indra/newview/llfloaterworldmap.cpp
+++ b/indra/newview/llfloaterworldmap.cpp
@@ -343,6 +343,7 @@ LLFloaterWorldMap::LLFloaterWorldMap(const LLSD& key)
     mWaitingForTracker(false),
     mIsClosing(false),
     mSetToUserPosition(true),
+    mProcessingSearchUpdate(false),
     mTrackedLocation(0.0,0.0,0.0),
     mTrackedStatus(LLTracker::TRACKING_NOTHING),
     mParcelInfoObserver(nullptr),
@@ -356,7 +357,7 @@ LLFloaterWorldMap::LLFloaterWorldMap(const LLSD& key)
     mCommitCallbackRegistrar.add("WMap.Location",       boost::bind(&LLFloaterWorldMap::onLocationCommit, this));
     mCommitCallbackRegistrar.add("WMap.AvatarCombo",    boost::bind(&LLFloaterWorldMap::onAvatarComboCommit, this));
     mCommitCallbackRegistrar.add("WMap.Landmark",       boost::bind(&LLFloaterWorldMap::onLandmarkComboCommit, this));
-    mCommitCallbackRegistrar.add("WMap.SearchResult",   boost::bind(&LLFloaterWorldMap::onCommitSearchResult, this));
+    mCommitCallbackRegistrar.add("WMap.SearchResult", [this](LLUICtrl* ctrl, const LLSD& data) { LLFloaterWorldMap::onCommitSearchResult(false); });
     mCommitCallbackRegistrar.add("WMap.GoHome",         boost::bind(&LLFloaterWorldMap::onGoHome, this));
     mCommitCallbackRegistrar.add("WMap.Teleport",       boost::bind(&LLFloaterWorldMap::onClickTeleportBtn, this));
     mCommitCallbackRegistrar.add("WMap.ShowTarget",     boost::bind(&LLFloaterWorldMap::onShowTargetBtn, this));
@@ -839,6 +840,7 @@ void LLFloaterWorldMap::trackGenericItem(const LLItemInfo &item)
 
 void LLFloaterWorldMap::trackLocation(const LLVector3d& pos_global)
 {
+    mProcessingSearchUpdate = false;
     LLSimInfo* sim_info = LLWorldMap::getInstance()->simInfoFromPosGlobal(pos_global);
     if (!sim_info)
     {
@@ -1050,7 +1052,10 @@ void LLFloaterWorldMap::updateLocation()
             }
         }
 
-        mLocationEditor->setValue(sim_name);
+        if (!mProcessingSearchUpdate)
+        {
+            mLocationEditor->setValue(sim_name);
+        }
 
         // refresh coordinate display to reflect where user clicked.
         LLVector3d coord_pos = LLTracker::getTrackedPositionGlobal();
@@ -1390,6 +1395,7 @@ void LLFloaterWorldMap::onGoHome()
 {
     gAgent.teleportHome();
     closeFloater();
+    mProcessingSearchUpdate = false;
 }
 
 
@@ -1559,6 +1565,7 @@ void LLFloaterWorldMap::onLocationCommit()
     {
         return;
     }
+    mProcessingSearchUpdate = true;
 
     LLStringUtil::toLower(str);
     mCompletingRegionName = str;
@@ -1580,6 +1587,7 @@ void LLFloaterWorldMap::onCoordinatesCommit()
     {
         return;
     }
+    mProcessingSearchUpdate = false;
 
     S32 x_coord = (S32)mTeleportCoordSpinX->getValue().asReal();
     S32 y_coord = (S32)mTeleportCoordSpinY->getValue().asReal();
@@ -1593,6 +1601,7 @@ void LLFloaterWorldMap::onCoordinatesCommit()
 void LLFloaterWorldMap::onClearBtn()
 {
     mTrackedStatus = LLTracker::TRACKING_NOTHING;
+    mProcessingSearchUpdate = false;
     LLTracker::stopTracking(true);
     LLWorldMap::getInstance()->cancelTracking();
     mSLURL = LLSLURL();                 // Clear the SLURL since it's invalid
@@ -1609,6 +1618,7 @@ void LLFloaterWorldMap::onShowAgentBtn()
     mMapView->setPanWithInterpTime(0, 0, false, 0.1f);  // false == animate
     // Set flag so user's location will be displayed if not tracking anything else
     mSetToUserPosition = true;
+    mProcessingSearchUpdate = false;
 }
 
 void LLFloaterWorldMap::onClickTeleportBtn()
@@ -1798,6 +1808,12 @@ void LLFloaterWorldMap::teleport()
             gAgent.teleportViaLocation( pos_global );
         }
     }
+
+    if (mProcessingSearchUpdate)
+    {
+        mProcessingSearchUpdate = false;
+        mTrackedSimName.clear();
+    }
 }
 
 void LLFloaterWorldMap::flyToLandmark()
@@ -1928,18 +1944,20 @@ void LLFloaterWorldMap::updateSims(bool found_null_sim)
         {
             mSearchResults->selectByValue(match);
             mSearchResults->setFocus(true);
-            onCommitSearchResult();
+            onCommitSearchResult(false /*fully commit the only option*/);
         }
         // else let user decide
         else
         {
-            mSearchResults->operateOnAll(LLCtrlListInterface::OP_DESELECT);
+            mSearchResults->selectFirstItem();
             mSearchResults->setFocus(true);
+            onCommitSearchResult(true /*don't update text field*/);
         }
     }
     else
     {
         // if we found nothing, say "none"
+        mProcessingSearchUpdate = false;
         mSearchResults->setCommentText(LLTrans::getString("worldmap_results_none_found"));
         mSearchResults->operateOnAll(LLCtrlListInterface::OP_DESELECT);
     }
@@ -1953,7 +1971,7 @@ void LLFloaterWorldMap::onTeleportFinished()
     }
 }
 
-void LLFloaterWorldMap::onCommitSearchResult()
+void LLFloaterWorldMap::onCommitSearchResult(bool from_search)
 {
     std::string sim_name = mSearchResults->getSelectedValue().asString();
     if (sim_name.empty())
@@ -1984,8 +2002,14 @@ void LLFloaterWorldMap::onCommitSearchResult()
             pos_global.mdV[VY] += (F64)pos_local.mV[VY];
             pos_global.mdV[VZ] = (F64)pos_local.mV[VZ];
 
-            mLocationEditor->setValue(sim_name);
+            // Commiting search string automatically selects first item in the search list,
+            // in such case onCommitSearchResult shouldn't modify search string
+            if (!from_search)
+            {
+                mLocationEditor->setValue(sim_name);
+            }
             trackLocation(pos_global);
+            mProcessingSearchUpdate = from_search;
             mTrackCtrlsPanel->setDefaultBtn(mTeleportButton);
             break;
         }
diff --git a/indra/newview/llfloaterworldmap.h b/indra/newview/llfloaterworldmap.h
index 88c51a007f..cdf58dc650 100644
--- a/indra/newview/llfloaterworldmap.h
+++ b/indra/newview/llfloaterworldmap.h
@@ -182,7 +182,7 @@ protected:
     void            onLocationFocusChanged( LLFocusableElement* ctrl );
     void            onLocationCommit();
     void            onCoordinatesCommit();
-    void            onCommitSearchResult();
+    void            onCommitSearchResult(bool from_search);
 
     void            onTeleportFinished();
 
@@ -219,6 +219,7 @@ private:
 
     bool                    mIsClosing;
     bool                    mSetToUserPosition;
+    bool                    mProcessingSearchUpdate; // Don't update search string from what user set it to
 
     LLVector3d              mTrackedLocation;
     LLTracker::ETrackingStatus mTrackedStatus;
diff --git a/indra/newview/lltoolpie.cpp b/indra/newview/lltoolpie.cpp
index 95d757bb0b..ee42b5c8fc 100644
--- a/indra/newview/lltoolpie.cpp
+++ b/indra/newview/lltoolpie.cpp
@@ -2009,18 +2009,19 @@ bool LLToolPie::shouldAllowFirstMediaInteraction(const LLPickInfo& pick, bool mo
     // Check if the object is owned by a friend of the agent
     if(FirstClickPref & MEDIA_FIRST_CLICK_FRIEND)
     {
-        LL_DEBUGS_ONCE() << "FirstClickPref & MEDIA_FIRST_CLICK_FRIEND. id: " << owner_id << LL_ENDL;
-        return LLAvatarTracker::instance().isBuddy(owner_id);
+        if(LLAvatarTracker::instance().isBuddy(owner_id))
+        {
+            LL_DEBUGS_ONCE() << "FirstClickPref & MEDIA_FIRST_CLICK_FRIEND. id: " << owner_id << LL_ENDL;
+            return true;
+        }
     }
 
     // Check for objects set to or owned by the active group
     if(FirstClickPref & MEDIA_FIRST_CLICK_GROUP)
     {
-        // Get our active group
-        LLUUID active_group = gAgent.getGroupID();
-        if(active_group.notNull() && (active_group == group_id || active_group == owner_id))
+        if(gAgent.isInGroup(group_id) || gAgent.isInGroup(owner_id))
         {
-            LL_DEBUGS_ONCE() << "FirstClickPref & MEDIA_FIRST_CLICK_GROUP.Active group: " << active_group << ", group_id:" << group_id << ", owner_id: " << owner_id << LL_ENDL;
+            LL_DEBUGS_ONCE() << "FirstClickPref & MEDIA_FIRST_CLICK_GROUP. group_id:" << group_id << ", owner_id: " << owner_id << LL_ENDL;
             return true;
         }
     }
diff --git a/indra/newview/llviewerstats.h b/indra/newview/llviewerstats.h
index 34c6ab23c5..ce4f8ffb01 100644
--- a/indra/newview/llviewerstats.h
+++ b/indra/newview/llviewerstats.h
@@ -282,9 +282,9 @@ private:
     F64Seconds mLastTimeDiff;  // used for time stat updates
     F64Seconds mTotalFrametimeJitter;
 
-    U32 mFrameJitterEvents;
-    U32 mFrameJitterEventsLastMinute;
-    U32 mEventMinutes;
+    U32 mFrameJitterEvents = 0;
+    U32 mFrameJitterEventsLastMinute = 0;
+    U32 mEventMinutes = 0;
     F64Seconds mTotalTime;
 
     F64Seconds              mLastFrameTimeSample; // used for frame time stats