diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt
index 587bd9f1a2..272f044892 100644
--- a/indra/llcommon/CMakeLists.txt
+++ b/indra/llcommon/CMakeLists.txt
@@ -18,8 +18,6 @@ set(llcommon_SOURCE_FILES
     commoncontrol.cpp
     indra_constants.cpp
     lazyeventapi.cpp
-    llallocator.cpp
-    llallocator_heap_profile.cpp
     llapp.cpp
     llapr.cpp
     llassettype.cpp
@@ -127,8 +125,6 @@ set(llcommon_HEADER_FILES
     lazyeventapi.h
     linden_common.h
     llalignedarray.h
-    llallocator.h
-    llallocator_heap_profile.h
     llapp.h
     llapr.h
     llassettype.h
diff --git a/indra/llcommon/llallocator.cpp b/indra/llcommon/llallocator.cpp
deleted file mode 100644
index abe3779b85..0000000000
--- a/indra/llcommon/llallocator.cpp
+++ /dev/null
@@ -1,58 +0,0 @@
-/**
- * @file llallocator.cpp
- * @brief Implementation of the LLAllocator class.
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-#include "llallocator.h"
-
-//
-// stub implementations for when tcmalloc is disabled
-//
-
-void LLAllocator::setProfilingEnabled(bool should_enable)
-{
-}
-
-// static
-bool LLAllocator::isProfiling()
-{
-    return false;
-}
-
-std::string LLAllocator::getRawProfile()
-{
-    return std::string();
-}
-
-LLAllocatorHeapProfile const & LLAllocator::getProfile()
-{
-    mProf.mLines.clear();
-
-    // *TODO - avoid making all these extra copies of things...
-    std::string prof_text = getRawProfile();
-    //std::cout << prof_text << std::endl;
-    mProf.parse(prof_text);
-    return mProf;
-}
diff --git a/indra/llcommon/llallocator.h b/indra/llcommon/llallocator.h
deleted file mode 100644
index aa3eead546..0000000000
--- a/indra/llcommon/llallocator.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/**
- * @file llallocator.h
- * @brief Declaration of the LLAllocator class.
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLALLOCATOR_H
-#define LL_LLALLOCATOR_H
-
-#include <string>
-
-#include "llallocator_heap_profile.h"
-
-class LL_COMMON_API LLAllocator {
-    friend class LLMemoryView;
-
-public:
-    void setProfilingEnabled(bool should_enable);
-
-    static bool isProfiling();
-
-    LLAllocatorHeapProfile const & getProfile();
-
-private:
-    std::string getRawProfile();
-
-private:
-    LLAllocatorHeapProfile mProf;
-};
-
-#endif // LL_LLALLOCATOR_H
diff --git a/indra/llcommon/llallocator_heap_profile.cpp b/indra/llcommon/llallocator_heap_profile.cpp
deleted file mode 100644
index ddf0c3b12f..0000000000
--- a/indra/llcommon/llallocator_heap_profile.cpp
+++ /dev/null
@@ -1,149 +0,0 @@
-/**
- * @file llallocator_heap_profile.cpp
- * @brief Implementation of the parser for tcmalloc heap profile data.
- * @author Brad Kittenbrink
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-// <FS:ND> Disable some warnings on newer GCC versions.
-// This might also trigger on something like 4.8, but I did not such a GCC to test anything lower than 4.9 and higher than 4.6
-//<FS:TS> It does trigger on 4.8. Not sure about 4.7.
-#if LL_LINUX
- #pragma GCC diagnostic ignored "-Wuninitialized"
- #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ ) >= 40800
-   #pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
- #endif
-#endif
-// </FS:ND>
-
-#include "linden_common.h"
-#include "llallocator_heap_profile.h"
-
-#include <boost/algorithm/string/split.hpp>
-#include <boost/bind.hpp>
-#include <boost/lexical_cast.hpp>
-#include <boost/range/iterator_range.hpp>
-
-static const std::string HEAP_PROFILE_MAGIC_STR = "heap profile:";
-
-static bool is_separator(char c)
-{
-    return isspace(c) || c == '[' || c == ']' || c == ':';
-}
-
-void LLAllocatorHeapProfile::parse(std::string const & prof_text)
-{
-    // a typedef for handling a token in the string buffer
-    // it's a begin/end pair of string::const_iterators
-    typedef boost::iterator_range<std::string::const_iterator> range_t;
-
-    mLines.clear();
-
-    if(prof_text.compare(0, HEAP_PROFILE_MAGIC_STR.length(), HEAP_PROFILE_MAGIC_STR) != 0)
-    {
-        // *TODO - determine if there should be some better error state than
-        // mLines being empty. -brad
-        LL_WARNS() << "invalid heap profile data passed into parser." << LL_ENDL;
-        return;
-    }
-
-    std::vector< range_t > prof_lines;
-
-    std::string::const_iterator prof_begin = prof_text.begin() + HEAP_PROFILE_MAGIC_STR.length();
-
-    range_t prof_range(prof_begin, prof_text.end());
-    boost::algorithm::split(prof_lines,
-        prof_range,
-        boost::bind(std::equal_to<llwchar>(), '\n', _1));
-
-    std::vector< range_t >::const_iterator i;
-    for(i = prof_lines.begin(); i != prof_lines.end() && !i->empty(); ++i)
-    {
-        range_t const & line_text = *i;
-
-        std::vector<range_t> line_elems;
-
-        boost::algorithm::split(line_elems,
-            line_text,
-            is_separator);
-
-        std::vector< range_t >::iterator j;
-        j = line_elems.begin();
-
-        while(j != line_elems.end() && j->empty()) { ++j; } // skip any separator tokens
-        llassert_always(j != line_elems.end());
-        U32 live_count = boost::lexical_cast<U32>(*j);
-        ++j;
-
-        while(j != line_elems.end() && j->empty()) { ++j; } // skip any separator tokens
-        llassert_always(j != line_elems.end());
-        U64 live_size = boost::lexical_cast<U64>(*j);
-        ++j;
-
-        while(j != line_elems.end() && j->empty()) { ++j; } // skip any separator tokens
-        llassert_always(j != line_elems.end());
-        U32 tot_count = boost::lexical_cast<U32>(*j);
-        ++j;
-
-        while(j != line_elems.end() && j->empty()) { ++j; } // skip any separator tokens
-        llassert_always(j != line_elems.end());
-        U64 tot_size = boost::lexical_cast<U64>(*j);
-        ++j;
-
-        while(j != line_elems.end() && j->empty()) { ++j; } // skip any separator tokens
-    llassert(j != line_elems.end());
-        if (j != line_elems.end())
-    {
-        ++j; // skip the '@'
-
-        mLines.push_back(line(live_count, live_size, tot_count, tot_size));
-        line & current_line = mLines.back();
-
-        for(; j != line_elems.end(); ++j)
-        {
-            if(!j->empty())
-            {
-                U32 marker = boost::lexical_cast<U32>(*j);
-                current_line.mTrace.push_back(marker);
-            }
-        }
-    }
-    }
-    // *TODO - parse MAPPED_LIBRARIES section here if we're ever interested in it
-}
-
-void LLAllocatorHeapProfile::dump(std::ostream & out) const
-{
-    for (const LLAllocatorHeapProfile::line& line : mLines)
-    {
-        out << line.mLiveCount << ": " << line.mLiveSize << '[' << line.mTotalCount << ": " << line.mTotalSize << "] @";
-
-        for (const stack_marker marker : line.mTrace)
-        {
-            out << ' ' << marker;
-        }
-        out << '\n';
-    }
-    out.flush();
-}
-
diff --git a/indra/llcommon/llallocator_heap_profile.h b/indra/llcommon/llallocator_heap_profile.h
deleted file mode 100644
index 22f284b703..0000000000
--- a/indra/llcommon/llallocator_heap_profile.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/**
- * @file llallocator_heap_profile.h
- * @brief Declaration of the parser for tcmalloc heap profile data.
- * @author Brad Kittenbrink
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLALLOCATOR_HEAP_PROFILE_H
-#define LL_LLALLOCATOR_HEAP_PROFILE_H
-
-#include "stdtypes.h"
-
-#include <map>
-#include <vector>
-
-class LLAllocatorHeapProfile
-{
-public:
-    typedef int stack_marker;
-
-    typedef std::vector<stack_marker> stack_trace;
-
-    struct line {
-        line(U32 live_count, U64 live_size, U32 tot_count, U64 tot_size) :
-            mLiveSize(live_size),
-            mTotalSize(tot_size),
-            mLiveCount(live_count),
-            mTotalCount(tot_count)
-        {
-        }
-        U64 mLiveSize, mTotalSize;
-        U32 mLiveCount, mTotalCount;
-        stack_trace mTrace;
-    };
-
-    typedef std::vector<line> lines_t;
-
-    LLAllocatorHeapProfile()
-    {
-    }
-
-    void parse(std::string const & prof_text);
-
-    void dump(std::ostream & out) const;
-
-public:
-    lines_t mLines;
-};
-
-
-#endif // LL_LLALLOCATOR_HEAP_PROFILE_H
diff --git a/indra/llui/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index aef19f6dc4..6ea0d683a3 100644
--- a/indra/llui/lllayoutstack.cpp
+++ b/indra/llui/lllayoutstack.cpp
@@ -86,10 +86,6 @@ void LLLayoutPanel::initFromParams(const Params& p)
 
 LLLayoutPanel::~LLLayoutPanel()
 {
-    // probably not necessary, but...
-    delete mResizeBar;
-    mResizeBar = NULL;
-
     gFocusMgr.removeKeyboardFocusWithoutCallback(this);
 }
 
@@ -279,12 +275,9 @@ LLLayoutStack::~LLLayoutStack()
         LLUI::getInstance()->mSettingGroups["account"]->setLLSD(mSizeControlName, mSavedSizes);
     }
     // </FS:Zi>
-
-    e_panel_list_t panels = mPanels; // copy list of panel pointers
-    mPanels.clear(); // clear so that removeChild() calls don't cause trouble
-    std::for_each(panels.begin(), panels.end(), DeletePointer());
 }
 
+// virtual
 void LLLayoutStack::draw()
 {
     updateLayout();
@@ -322,8 +315,14 @@ void LLLayoutStack::draw()
     }
 }
 
+// virtual
 void LLLayoutStack::deleteAllChildren()
 {
+    for (LLLayoutPanel* p : mPanels)
+    {
+        p->mResizeBar = nullptr;
+    }
+
     mPanels.clear();
     LLView::deleteAllChildren();
 
@@ -333,29 +332,47 @@ void LLLayoutStack::deleteAllChildren()
     mNeedsLayout = true;
 }
 
+// virtual
 void LLLayoutStack::removeChild(LLView* view)
 {
-    LLLayoutPanel* embedded_panelp = findEmbeddedPanel(dynamic_cast<LLPanel*>(view));
+    if (LLLayoutPanel* embedded_panelp = dynamic_cast<LLLayoutPanel*>(view))
+    {
+        auto it = std::find(mPanels.begin(), mPanels.end(), embedded_panelp);
+        if (it != mPanels.end())
+        {
+            mPanels.erase(it);
+        }
+        if (embedded_panelp->mResizeBar)
+        {
+            LLView::removeChild(embedded_panelp->mResizeBar);
+            embedded_panelp->mResizeBar = nullptr;
+        }
+    }
+    else if (LLResizeBar* resize_bar = dynamic_cast<LLResizeBar*>(view))
+    {
+        for (LLLayoutPanel* p : mPanels)
+        {
+            if (p->mResizeBar == resize_bar)
+            {
+                p->mResizeBar = nullptr;
+            }
+        }
+    }
 
-    if (embedded_panelp)
-    {
-        mPanels.erase(std::find(mPanels.begin(), mPanels.end(), embedded_panelp));
-        LLView::removeChild(view);
-        updateFractionalSizes();
-        mNeedsLayout = true;
-    }
-    else
-    {
-        LLView::removeChild(view);
-    }
+    LLView::removeChild(view);
+
+    updateFractionalSizes();
+    mNeedsLayout = true;
 }
 
+// virtual
 bool LLLayoutStack::postBuild()
 {
     updateLayout();
     return true;
 }
 
+// virtual
 bool LLLayoutStack::addChild(LLView* child, S32 tab_group)
 {
     LLLayoutPanel* panelp = dynamic_cast<LLLayoutPanel*>(child);
@@ -1051,6 +1068,7 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
     //normalizeFractionalSizes();
 }
 
+// virtual
 void LLLayoutStack::reshape(S32 width, S32 height, bool called_from_parent)
 {
     mNeedsLayout = true;
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index ccc8924166..a466e30cf3 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -2208,6 +2208,7 @@
       <key>Value</key>
       <integer>2</integer>
     </map>
+    <!--AvatarBakedTextureUploadTimeout is in use by QA-->
     <key>AvatarBakedTextureUploadTimeout</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/featuretable.txt b/indra/newview/featuretable.txt
index d4d3608003..5cf010849c 100644
--- a/indra/newview/featuretable.txt
+++ b/indra/newview/featuretable.txt
@@ -250,7 +250,7 @@ RenderReflectionsEnabled    1   1
 RenderReflectionProbeDetail	1	1
 RenderScreenSpaceReflections 1  0
 RenderReflectionProbeLevel  1   3
-RenderMirrors				1	1
+RenderMirrors				1	0
 RenderHeroProbeResolution	1	512
 RenderHeroProbeDistance		1	8
 RenderHeroProbeUpdateRate	1	2
@@ -285,7 +285,7 @@ RenderReflectionsEnabled    1   1
 RenderReflectionProbeDetail	1	1
 RenderScreenSpaceReflections 1  0
 RenderReflectionProbeLevel  1   3
-RenderMirrors				1	1
+RenderMirrors				1	0
 RenderHeroProbeResolution	1	1024
 RenderHeroProbeDistance		1	16
 RenderHeroProbeUpdateRate	1	1
@@ -320,7 +320,7 @@ RenderReflectionsEnabled    1   1
 RenderReflectionProbeDetail	1	1
 RenderScreenSpaceReflections 1  0
 RenderReflectionProbeLevel  1   3
-RenderMirrors				1	1
+RenderMirrors				1	0
 RenderHeroProbeResolution	1	2048
 RenderHeroProbeDistance		1	16
 RenderHeroProbeUpdateRate	1	1
diff --git a/indra/newview/featuretable_linux.txt b/indra/newview/featuretable_linux.txt
index 4e0c162c28..4a271b1f92 100644
--- a/indra/newview/featuretable_linux.txt
+++ b/indra/newview/featuretable_linux.txt
@@ -28,7 +28,6 @@ version 48
 //
 list all
 RenderAnisotropic			1	1
-RenderAvatarCloth			0	0
 RenderAvatarLODFactor		1	1.0
 RenderAvatarPhysicsLODFactor 1	1.0
 RenderAvatarMaxNonImpostors 1   16
@@ -65,7 +64,6 @@ RenderShaderLightingMaxLevel	1	3
 RenderReflectionProbeLevel  1   3
 RenderDeferred				1	1
 RenderDeferredSSAO			1	1
-RenderUseAdvancedAtmospherics 1 0
 RenderShadowDetail			1	2
 RenderUseStreamVBO			1	1
 RenderFSAASamples			1	16
@@ -76,6 +74,10 @@ RenderGLMultiThreadedMedia         1   1
 RenderReflectionProbeResolution 1 128
 RenderScreenSpaceReflections 1  1
 RenderMirrors				1	1
+RenderHeroProbeResolution	1	2048
+RenderHeroProbeDistance		1	16
+RenderHeroProbeUpdateRate	1	4
+RenderHeroProbeConservativeUpdateMultiplier 1 16
 RenderDownScaleMethod       1   1
 
 
@@ -103,7 +105,6 @@ RenderTerrainPBRPlanarSampleCount 1   1
 RenderTreeLODFactor			1	0
 RenderVolumeLODFactor		1	1.5
 RenderDeferredSSAO			1	0
-RenderUseAdvancedAtmospherics 1 0
 RenderShadowDetail			1	0
 WLSkyDetail					1	96
 RenderFSAASamples			1	0
@@ -139,7 +140,6 @@ RenderTerrainPBRPlanarSampleCount 1   1
 RenderTreeLODFactor			1	0.5
 RenderVolumeLODFactor		1	2.0
 RenderDeferredSSAO			1	0
-RenderUseAdvancedAtmospherics 1 0
 RenderShadowDetail			1	0
 WLSkyDetail					1	96
 RenderFSAASamples			1	0
@@ -173,7 +173,6 @@ RenderTerrainPBRPlanarSampleCount 1   1
 RenderTreeLODFactor			1	0.5
 RenderVolumeLODFactor		1	2.0
 RenderDeferredSSAO			1	0
-RenderUseAdvancedAtmospherics 1 0
 RenderShadowDetail			1	0
 WLSkyDetail					1	96
 RenderFSAASamples			1	2
@@ -209,7 +208,6 @@ RenderTerrainPBRPlanarSampleCount 1   1
 RenderTreeLODFactor			1	0.5
 RenderVolumeLODFactor		1	2.0
 RenderDeferredSSAO			1	0
-RenderUseAdvancedAtmospherics 1 0
 RenderShadowDetail			1	0
 WLSkyDetail					1	96
 RenderFSAASamples			1	2
@@ -245,7 +243,6 @@ RenderTerrainPBRPlanarSampleCount 1   3
 RenderTreeLODFactor			1	0.5
 RenderVolumeLODFactor		1	2.0
 RenderDeferredSSAO			1	1
-RenderUseAdvancedAtmospherics 1 0
 RenderShadowDetail			1	1
 WLSkyDetail					1	96
 RenderFSAASamples			1	2
@@ -253,7 +250,7 @@ RenderReflectionsEnabled    1   1
 RenderReflectionProbeDetail	1	1
 RenderScreenSpaceReflections 1  0
 RenderReflectionProbeLevel  1   3
-RenderMirrors				1	1
+RenderMirrors				1	0
 RenderHeroProbeResolution	1	512
 RenderHeroProbeDistance		1	8
 RenderHeroProbeUpdateRate	1	2
@@ -281,7 +278,6 @@ RenderTransparentWater		1	1
 RenderTreeLODFactor			1	0.5
 RenderVolumeLODFactor		1	2.0
 RenderDeferredSSAO			1	1
-RenderUseAdvancedAtmospherics 1 0
 RenderShadowDetail			1	2
 WLSkyDetail					1	96
 RenderFSAASamples			1	2
@@ -289,7 +285,7 @@ RenderReflectionsEnabled    1   1
 RenderReflectionProbeDetail	1	1
 RenderScreenSpaceReflections 1  0
 RenderReflectionProbeLevel  1   3
-RenderMirrors				1	1
+RenderMirrors				1	0
 RenderHeroProbeResolution	1	1024
 RenderHeroProbeDistance		1	16
 RenderHeroProbeUpdateRate	1	1
@@ -318,14 +314,13 @@ RenderVolumeLODFactor		1	3.0
 WindLightUseAtmosShaders	1	1
 WLSkyDetail					1	128
 RenderDeferredSSAO			1	1
-RenderUseAdvancedAtmospherics 1 0
 RenderShadowDetail			1	2
 RenderFSAASamples			1	2
 RenderReflectionsEnabled    1   1
 RenderReflectionProbeDetail	1	1
 RenderScreenSpaceReflections 1  0
 RenderReflectionProbeLevel  1   3
-RenderMirrors				1	1
+RenderMirrors				1	0
 RenderHeroProbeResolution	1	2048
 RenderHeroProbeDistance		1	16
 RenderHeroProbeUpdateRate	1	1
@@ -337,7 +332,6 @@ RenderHeroProbeConservativeUpdateMultiplier 1 4
 list Unknown
 RenderShadowDetail			1	0
 RenderDeferredSSAO			1	0
-RenderUseAdvancedAtmospherics 1 0
 RenderMirrors				1	0
 
 //
diff --git a/indra/newview/featuretable_mac.txt b/indra/newview/featuretable_mac.txt
index 48dc1d274a..a3d3d122d2 100644
--- a/indra/newview/featuretable_mac.txt
+++ b/indra/newview/featuretable_mac.txt
@@ -282,7 +282,7 @@ RenderReflectionsEnabled    1   1
 RenderReflectionProbeDetail	1	1
 RenderScreenSpaceReflections 1  0
 RenderReflectionProbeLevel  1   2
-RenderMirrors				1	1
+RenderMirrors				1	0
 RenderHeroProbeResolution	1	512
 RenderHeroProbeDistance		1	16
 RenderHeroProbeUpdateRate	1	1
@@ -317,7 +317,7 @@ RenderReflectionsEnabled    1   1
 RenderReflectionProbeDetail	1	1
 RenderScreenSpaceReflections 1  0
 RenderReflectionProbeLevel  1   3
-RenderMirrors				1	1
+RenderMirrors				1	0
 RenderHeroProbeResolution	1	1024
 RenderHeroProbeDistance		1	16
 RenderHeroProbeUpdateRate	1	1
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 59f9407fef..086e34e416 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -62,7 +62,6 @@
 #include "llfocusmgr.h"
 #include "llurlfloaterdispatchhandler.h"
 #include "llviewerjoystick.h"
-#include "llallocator.h"
 #include "llcalc.h"
 #include "llconversationlog.h"
 #if LL_WINDOWS
@@ -940,9 +939,6 @@ bool LLAppViewer::init()
         LLError::setFatalFunction([rc](const std::string&){ _exit(rc); });
     }
 
-    // <FS:Ansariel> Get rid of unused LLAllocator
-    //mAlloc.setProfilingEnabled(gSavedSettings.getBOOL("MemProfiling"));
-
     // Initialize the non-LLCurl libcurl library.  Should be called
     // before consumers (LLTextureFetch).
     mAppCoreHttp.init();
diff --git a/indra/newview/llappviewer.h b/indra/newview/llappviewer.h
index 0cd3bc8840..96b8123d2c 100644
--- a/indra/newview/llappviewer.h
+++ b/indra/newview/llappviewer.h
@@ -44,7 +44,6 @@
 #define LL_LLAPPVIEWER_H
 
 #include "llapp.h"
-#include "llallocator.h"
 #include "llapr.h"
 #include "llcontrol.h"
 #include "llsys.h"          // for LLOSInfo
@@ -206,9 +205,6 @@ public:
     // *NOTE:Mani Fix this for login abstraction!!
     void handleLoginComplete();
 
-    // <FS:Ansariel> Get rid of unused LLAllocator
-    //LLAllocator & getAllocator() { return mAlloc; }
-
     // On LoginCompleted callback
     typedef boost::signals2::signal<void (void)> login_completed_signal_t;
     login_completed_signal_t mOnLoginCompleted;
@@ -361,9 +357,6 @@ private:
     bool mAgentRegionLastAlive;
     LLUUID mAgentRegionLastID;
 
-    // <FS:Ansariel> Get rid of unused LLAllocator
-    //LLAllocator mAlloc;
-
     // llcorehttp library init/shutdown helper
     LLAppCoreHttp mAppCoreHttp;
 
diff --git a/indra/newview/llfloaterimcontainer.cpp b/indra/newview/llfloaterimcontainer.cpp
index 7feff5a2fd..bfbdb0720f 100644
--- a/indra/newview/llfloaterimcontainer.cpp
+++ b/indra/newview/llfloaterimcontainer.cpp
@@ -116,6 +116,18 @@ LLFloaterIMContainer::~LLFloaterIMContainer()
     {
         LLIMMgr::getInstance()->removeSessionObserver(this);
     }
+
+    for (auto& session : mConversationsItems)
+    {
+        LLConversationItemSession* session_model = dynamic_cast<LLConversationItemSession*>(session.second.get());
+        if (session_model)
+        {
+            // Models have overcomplicated double ownership, clear
+            // and resolve '0 references' ownership now, before owned
+            // part of the models gets deleted by their owners
+            session_model->clearAndDeparentModels();
+        }
+    }
 }
 
 void LLFloaterIMContainer::sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id, bool has_offline_msg)
diff --git a/indra/newview/llfloaterpreferencesgraphicsadvanced.cpp b/indra/newview/llfloaterpreferencesgraphicsadvanced.cpp
index 34733573b4..8aea5df570 100644
--- a/indra/newview/llfloaterpreferencesgraphicsadvanced.cpp
+++ b/indra/newview/llfloaterpreferencesgraphicsadvanced.cpp
@@ -154,7 +154,6 @@ void LLFloaterPreferenceGraphicsAdvanced::refresh()
     updateSliderText(getChild<LLSliderCtrl>("TerrainMeshDetail",    true), getChild<LLTextBox>("TerrainMeshDetailText",     true));
     updateSliderText(getChild<LLSliderCtrl>("RenderPostProcess",    true), getChild<LLTextBox>("PostProcessText",           true));
     updateSliderText(getChild<LLSliderCtrl>("SkyMeshDetail",        true), getChild<LLTextBox>("SkyMeshDetailText",         true));
-    updateSliderText(getChild<LLSliderCtrl>("TerrainDetail",        true), getChild<LLTextBox>("TerrainDetailText",         true));
     LLAvatarComplexityControls::setIndirectControls();
     setMaxNonImpostorsText(
         gSavedSettings.getU32("RenderAvatarMaxNonImpostors"),
@@ -269,10 +268,6 @@ void LLFloaterPreferenceGraphicsAdvanced::setMaxNonImpostorsText(U32 value, LLTe
 
 void LLFloaterPreferenceGraphicsAdvanced::disableUnavailableSettings()
 {
-    LLComboBox* ctrl_reflections   = getChild<LLComboBox>("Reflections");
-    LLTextBox* reflections_text = getChild<LLTextBox>("ReflectionsText");
-    LLCheckBoxCtrl* ctrl_wind_light    = getChild<LLCheckBoxCtrl>("WindLightUseAtmosShaders");
-    LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
     LLComboBox* ctrl_shadows = getChild<LLComboBox>("ShadowDetail");
     LLTextBox* shadows_text = getChild<LLTextBox>("RenderShadowDetailText");
     LLCheckBoxCtrl* ctrl_ssao = getChild<LLCheckBoxCtrl>("UseSSAO");
@@ -283,9 +278,6 @@ void LLFloaterPreferenceGraphicsAdvanced::disableUnavailableSettings()
     // disabled windlight
     if (!LLFeatureManager::getInstance()->isFeatureAvailable("WindLightUseAtmosShaders"))
     {
-        ctrl_wind_light->setEnabled(false);
-        ctrl_wind_light->setValue(false);
-
         sky->setEnabled(false);
         sky_text->setEnabled(false);
 
@@ -299,9 +291,6 @@ void LLFloaterPreferenceGraphicsAdvanced::disableUnavailableSettings()
 
         ctrl_dof->setEnabled(false);
         ctrl_dof->setValue(false);
-
-        ctrl_deferred->setEnabled(false);
-        ctrl_deferred->setValue(false);
     }
 
     // disabled deferred
@@ -316,9 +305,6 @@ void LLFloaterPreferenceGraphicsAdvanced::disableUnavailableSettings()
 
         ctrl_dof->setEnabled(false);
         ctrl_dof->setValue(false);
-
-        ctrl_deferred->setEnabled(false);
-        ctrl_deferred->setValue(false);
     }
 
     // disabled deferred SSAO
@@ -339,53 +325,13 @@ void LLFloaterPreferenceGraphicsAdvanced::disableUnavailableSettings()
 
 void LLFloaterPreferenceGraphicsAdvanced::refreshEnabledState()
 {
-    LLComboBox* ctrl_reflections = getChild<LLComboBox>("Reflections");
-    LLTextBox* reflections_text = getChild<LLTextBox>("ReflectionsText");
-
-    // Reflections
-    bool reflections = LLCubeMap::sUseCubeMaps;
-    ctrl_reflections->setEnabled(reflections);
-    reflections_text->setEnabled(reflections);
-
-    // Bump & Shiny
-    LLCheckBoxCtrl* bumpshiny_ctrl = getChild<LLCheckBoxCtrl>("BumpShiny");
-    bool bumpshiny = LLCubeMap::sUseCubeMaps && LLFeatureManager::getInstance()->isFeatureAvailable("RenderObjectBump");
-    bumpshiny_ctrl->setEnabled(bumpshiny);
-
-    /* <FS:LO> remove orphaned code left over from EEP
-    // Vertex Shaders, Global Shader Enable
-    // SL-12594 Basic shaders are always enabled. DJH TODO clean up now-orphaned state handling code
-    LLSliderCtrl* terrain_detail = getChild<LLSliderCtrl>("TerrainDetail");   // can be linked with control var
-    LLTextBox* terrain_text = getChild<LLTextBox>("TerrainDetailText");
-
-    terrain_detail->setEnabled(false);
-    terrain_text->setEnabled(false);
-    */
-
     // WindLight
-    //LLCheckBoxCtrl* ctrl_wind_light = getChild<LLCheckBoxCtrl>("WindLightUseAtmosShaders");
-    //ctrl_wind_light->setEnabled(true);
     LLSliderCtrl* sky = getChild<LLSliderCtrl>("SkyMeshDetail");
     LLTextBox* sky_text = getChild<LLTextBox>("SkyMeshDetailText");
     sky->setEnabled(true);
     sky_text->setEnabled(true);
 
     bool enabled = true;
-#if 0 // deferred always on now
-    //Deferred/SSAO/Shadows
-    LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
-
-    enabled = LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&
-        bumpshiny_ctrl && bumpshiny_ctrl->get() &&
-        ctrl_wind_light->get();
-
-    ctrl_deferred->setEnabled(enabled);
-#endif
-
-    LLCheckBoxCtrl* ctrl_pbr = getChild<LLCheckBoxCtrl>("UsePBRShaders");
-
-    //PBR
-    ctrl_pbr->setEnabled(true);
 
     LLCheckBoxCtrl* ctrl_ssao = getChild<LLCheckBoxCtrl>("UseSSAO");
     LLCheckBoxCtrl* ctrl_dof = getChild<LLCheckBoxCtrl>("UseDoF");
@@ -417,11 +363,6 @@ void LLFloaterPreferenceGraphicsAdvanced::refreshEnabledState()
         getChildView("texture compression")->setEnabled(false);
     }
 
-    // if no windlight shaders, turn off nighttime brightness, gamma, and fog distance
-    LLUICtrl* gamma_ctrl = getChild<LLUICtrl>("gamma");
-    gamma_ctrl->setEnabled(!gPipeline.canUseWindLightShaders());
-    getChildView("(brightness, lower is brighter)")->setEnabled(!gPipeline.canUseWindLightShaders());
-    getChildView("fog")->setEnabled(!gPipeline.canUseWindLightShaders());
     getChildView("antialiasing restart")->setVisible(!LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred"));
 
     // now turn off any features that are unavailable
diff --git a/indra/newview/llheroprobemanager.cpp b/indra/newview/llheroprobemanager.cpp
index 4b08138bb0..09b5a823b9 100644
--- a/indra/newview/llheroprobemanager.cpp
+++ b/indra/newview/llheroprobemanager.cpp
@@ -602,7 +602,6 @@ void LLHeroProbeManager::cleanup()
 {
     mVertexBuffer = nullptr;
     mRenderTarget.release();
-    mHeroRenderTarget.release();
 
     mMipChain.clear();
 
@@ -610,10 +609,7 @@ void LLHeroProbeManager::cleanup()
 
     mProbes.clear();
 
-    mReflectionMaps.clear();
-
     mDefaultProbe = nullptr;
-    mUpdatingProbe = nullptr;
 }
 
 void LLHeroProbeManager::doOcclusion()
diff --git a/indra/newview/llheroprobemanager.h b/indra/newview/llheroprobemanager.h
index 28852770c3..58a94a3de8 100644
--- a/indra/newview/llheroprobemanager.h
+++ b/indra/newview/llheroprobemanager.h
@@ -104,8 +104,6 @@ private:
     // used to generate mipmaps without doing a copy-to-texture
     LLRenderTarget mRenderTarget;
 
-    LLRenderTarget mHeroRenderTarget;
-
     std::vector<LLRenderTarget> mMipChain;
 
     // storage for reflection probe radiance maps (plus two scratch space cubemaps)
@@ -124,11 +122,6 @@ private:
     // list of active reflection maps
     std::vector<LLPointer<LLReflectionMap>> mProbes;
 
-    // list of maps being used for rendering
-    std::vector<LLReflectionMap*> mReflectionMaps;
-
-    LLReflectionMap* mUpdatingProbe = nullptr;
-
     LLPointer<LLReflectionMap> mDefaultProbe;  // default reflection probe to fall back to for pixels with no probe influences (should always be at cube index 0)
 
     // number of reflection probes to use for rendering
diff --git a/indra/newview/llpanelmaininventory.cpp b/indra/newview/llpanelmaininventory.cpp
index c05550c8a2..da18a80955 100644
--- a/indra/newview/llpanelmaininventory.cpp
+++ b/indra/newview/llpanelmaininventory.cpp
@@ -353,13 +353,6 @@ bool LLPanelMainInventory::postBuild()
         }
 
     }
-    // <FS:Ansariel> Doesn't work
-    //mParentSidepanel = getParentSidepanelInventory();
-    //if (mParentSidepanel)
-    //{
-    //    mInboxPanel = mParentSidepanel->getChild<LLPanelMarketplaceInbox>("marketplace_inbox");
-    //}
-    // </FS:Ansariel>
 
     mFilterEditor = getChild<LLFilterEditor>("inventory search editor");
     if (mFilterEditor)
@@ -958,21 +951,10 @@ void LLPanelMainInventory::onClearSearch()
     }
     mFilterSubString = "";
 
-    // <FS:Ansariel> FIRE-22509: Only apply inbox filter on primary inventory window
-    //if (mInboxPanel)
-    //{
-    //    mInboxPanel->onClearSearch();
-    //}
-    LLSidepanelInventory * sidepanel_inventory = getParentByType<LLSidepanelInventory>();
-    if (sidepanel_inventory && sidepanel_inventory->getInboxPanel())
+    if (mInboxPanel)
     {
-        LLPanelMarketplaceInbox* inbox_panel = sidepanel_inventory->getInboxPanel()->getParentByType<LLPanelMarketplaceInbox>();
-        if (inbox_panel)
-        {
-            inbox_panel->onClearSearch();
-        }
+        mInboxPanel->onClearSearch();
     }
-    // </FS:Ansariel>
 }
 
 void LLPanelMainInventory::onFilterEdit(const std::string& search_string )
@@ -1043,21 +1025,10 @@ void LLPanelMainInventory::onFilterEdit(const std::string& search_string )
     }
     // </FS:Ansariel> Separate search for inventory tabs from Satomi Ahn (FIRE-913 & FIRE-6862)
 
-    // <FS:Ansariel> FIRE-22509: Only apply inbox filter on primary inventory window
-    //if (mInboxPanel)
-    //{
-    //    mInboxPanel->onFilterEdit(search_string);
-    //}
-    LLSidepanelInventory * sidepanel_inventory = getParentByType<LLSidepanelInventory>();
-    if (sidepanel_inventory && sidepanel_inventory->getInboxPanel())
+    if (mInboxPanel)
     {
-        LLPanelMarketplaceInbox* inbox_panel = sidepanel_inventory->getInboxPanel()->getParentByType<LLPanelMarketplaceInbox>();
-        if (inbox_panel)
-        {
-            inbox_panel->onFilterEdit(search_string);
-        }
+        mInboxPanel->onFilterEdit(search_string);
     }
-    // </FS:Ansariel>
 }
 
 // <FS:Zi> Filter dropdown
@@ -2050,31 +2021,17 @@ void LLPanelMainInventory::toggleViewMode()
     updateTitle();
     onFilterSelected();
 
-    // <FS:Ansariel> Doesn't work
-    //if (mParentSidepanel)
-    //{
-    //    if(mSingleFolderMode)
-    //    {
-    //        mParentSidepanel->hideInbox();
-    //    }
-    //    else
-    //    {
-    //        mParentSidepanel->toggleInbox();
-    //    }
-    //}
-    LLSidepanelInventory* sidepanel_inventory = getParentSidepanelInventory();
-    if (sidepanel_inventory)
+    if (mParentSidepanel)
     {
         if(mSingleFolderMode)
         {
-            sidepanel_inventory->hideInbox();
+            mParentSidepanel->hideInbox();
         }
         else
         {
-            sidepanel_inventory->toggleInbox();
+            mParentSidepanel->toggleInbox();
         }
     }
-    // </FS:Ansariel>
 }
 
 void LLPanelMainInventory::onViewModeClick()
diff --git a/indra/newview/llpanelmaininventory.h b/indra/newview/llpanelmaininventory.h
index bfff337fa2..94f1d0aa7b 100644
--- a/indra/newview/llpanelmaininventory.h
+++ b/indra/newview/llpanelmaininventory.h
@@ -146,6 +146,9 @@ public:
 
     LLInventoryFilter& getCurrentFilter();
 
+    void setParentSidepanel(LLSidepanelInventory* parent_sidepanel) { mParentSidepanel = parent_sidepanel; }
+    void setInboxPanel(LLPanelMarketplaceInbox* inbox_panel) { mInboxPanel = inbox_panel; }
+
     // <FS:Zi> Filter dropdown
     void onFilterTypeSelected(const std::string& filter_type_name);
     void updateFilterDropdown(const LLInventoryFilter* filter);
diff --git a/indra/newview/llreflectionmapmanager.cpp b/indra/newview/llreflectionmapmanager.cpp
index 1efe51c1aa..3526004071 100644
--- a/indra/newview/llreflectionmapmanager.cpp
+++ b/indra/newview/llreflectionmapmanager.cpp
@@ -1371,13 +1371,21 @@ void LLReflectionMapManager::initReflectionMaps()
 {
     U32 count = LL_MAX_REFLECTION_PROBE_COUNT;
 
-    if (mTexture.isNull() || mReflectionProbeCount != count || mReset)
+    static LLCachedControl<U32> ref_probe_res(gSavedSettings, "RenderReflectionProbeResolution", 128U);
+    U32 probe_resolution = nhpo2(llclamp(ref_probe_res(), (U32)64, (U32)512));
+    if (mTexture.isNull() || mReflectionProbeCount != count || mProbeResolution != probe_resolution || mReset)
     {
+        if(mProbeResolution != probe_resolution)
+        {
+            mRenderTarget.release();
+            mMipChain.clear();
+        }
+
         gEXRImage = nullptr;
 
         mReset = false;
         mReflectionProbeCount = count;
-        mProbeResolution = nhpo2(llclamp(gSavedSettings.getU32("RenderReflectionProbeResolution"), (U32)64, (U32)512));
+        mProbeResolution = probe_resolution;
         mMaxProbeLOD = log2f((F32)mProbeResolution) - 1.f; // number of mips - 1
 
         if (mTexture.isNull() ||
diff --git a/indra/newview/llsidepanelinventory.cpp b/indra/newview/llsidepanelinventory.cpp
index 143392b2a9..66b9310c67 100644
--- a/indra/newview/llsidepanelinventory.cpp
+++ b/indra/newview/llsidepanelinventory.cpp
@@ -178,6 +178,8 @@ bool LLSidepanelInventory::postBuild()
 
         mPanelMainInventory = mInventoryPanel->getChild<LLPanelMainInventory>("panel_main_inventory");
         mPanelMainInventory->setSelectCallback(boost::bind(&LLSidepanelInventory::onSelectionChange, this, _1, _2));
+        mPanelMainInventory->setParentSidepanel(this);
+        //mPanelMainInventory->setInboxPanel(getChild<LLPanelMarketplaceInbox>("marketplace_inbox")); // <FS:Ansariel> FIRE-22509: Only apply inbox filter on primary inventory window
         //LLTabContainer* tabs = mPanelMainInventory->getChild<LLTabContainer>("inventory filter tabs");
         //tabs->setCommitCallback(boost::bind(&LLSidepanelInventory::updateVerbs, this));
 
@@ -361,6 +363,9 @@ void LLSidepanelInventory::observeInboxModifications(const LLUUID& inboxID)
     LLPanelMarketplaceInbox * inbox = getChild<LLPanelMarketplaceInbox>(MARKETPLACE_INBOX_PANEL);
     LLInventoryPanel* inventory_panel = inbox->setupInventoryPanel();
     mInventoryPanelInbox = inventory_panel->getInventoryPanelHandle();
+
+    // <FS:Ansariel> FIRE-22509: Only apply inbox filter on primary inventory window
+    mPanelMainInventory->setInboxPanel(inbox);
 }
 
 void LLSidepanelInventory::enableInbox(bool enabled)
diff --git a/indra/newview/lltextureview.cpp b/indra/newview/lltextureview.cpp
index 31e3a7cc34..62dc45749d 100644
--- a/indra/newview/lltextureview.cpp
+++ b/indra/newview/lltextureview.cpp
@@ -435,16 +435,19 @@ void LLAvatarTexBar::draw()
         line_num++;
     }
     // <FS:Ansariel> Replace frequently called gSavedSettings
+    //const U32 texture_timeout = gSavedSettings.getU32("AvatarBakedTextureUploadTimeout");
     //const U32 override_tex_discard_level = gSavedSettings.getU32("TextureDiscardLevel");
     static LLCachedControl<U32> sAvatarBakedTextureUploadTimeout(gSavedSettings, "AvatarBakedTextureUploadTimeout");
     static LLCachedControl<U32> sTextureDiscardLevel(gSavedSettings, "TextureDiscardLevel");
+    const U32 texture_timeout = sAvatarBakedTextureUploadTimeout();
     const U32 override_tex_discard_level = sTextureDiscardLevel();
     // </FS:Ansariel>
 
     LLColor4 header_color(1.f, 1.f, 1.f, 0.9f);
 
+    const std::string texture_timeout_str = texture_timeout ? llformat("%d", texture_timeout) : "Disabled";
     const std::string override_tex_discard_level_str = override_tex_discard_level ? llformat("%d",override_tex_discard_level) : "Disabled";
-    std::string header_text = llformat("[ Timeout:60 ] [ LOD_Override('TextureDiscardLevel'):%s ]", override_tex_discard_level_str.c_str());
+    std::string header_text = llformat("[ Timeout('AvatarBakedTextureUploadTimeout'):%s ] [ LOD_Override('TextureDiscardLevel'):%s ]", texture_timeout_str.c_str(), override_tex_discard_level_str.c_str());
     LLFontGL::getFontMonospace()->renderUTF8(header_text, 0, l_offset, v_offset + line_height*line_num,
                                              header_color, LLFontGL::LEFT, LLFontGL::TOP); //, LLFontGL::BOLD, LLFontGL::DROP_SHADOW_SOFT);
     line_num++;
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 032cf0ad85..4128339639 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -1754,7 +1754,7 @@ void render_ui_2d()
             LLView::sIsRectDirty = false;
             LLRect t_rect;
 
-            gPipeline.mRT->uiScreen.bindTarget();
+            gPipeline.mUIScreen.bindTarget();
             gGL.setColorMask(true, true);
             {
                 static const S32 pad = 8;
@@ -1791,7 +1791,7 @@ void render_ui_2d()
                 gViewerWindow->draw();
             }
 
-            gPipeline.mRT->uiScreen.flush();
+            gPipeline.mUIScreen.flush();
             gGL.setColorMask(true, false);
 
             LLView::sDirtyRect = t_rect;
@@ -1801,7 +1801,7 @@ void render_ui_2d()
         LLGLDisable blend(GL_BLEND);
         S32 width = gViewerWindow->getWindowWidthScaled();
         S32 height = gViewerWindow->getWindowHeightScaled();
-        gGL.getTexUnit(0)->bind(&gPipeline.mRT->uiScreen);
+        gGL.getTexUnit(0)->bind(&gPipeline.mUIScreen);
         gGL.begin(LLRender::TRIANGLE_STRIP);
         gGL.color4f(1.f,1.f,1.f,1.f);
         gGL.texCoord2f(0.f, 0.f);                 gGL.vertex2i(0, 0);
diff --git a/indra/newview/llviewerprecompiledheaders.h b/indra/newview/llviewerprecompiledheaders.h
index 8b5b0461ae..2a9dfd75e8 100644
--- a/indra/newview/llviewerprecompiledheaders.h
+++ b/indra/newview/llviewerprecompiledheaders.h
@@ -50,7 +50,6 @@
 // Library headers from llcommon project:
 #include "indra_constants.h"
 #include "llinitparam.h"
-#include "llallocator.h"
 #include "llapp.h"
 #include "llcriticaldamp.h"
 #include "lldefs.h"
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index e7deb7d356..de4bf32a44 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -851,7 +851,7 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
     if (mRT == &mMainRT)
     { // hacky -- allocate auxillary buffer
 
-        gCubeSnapshot = TRUE;
+        gCubeSnapshot = true;
 
         if (sReflectionProbesEnabled)
         {
@@ -911,17 +911,6 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
     }
 // [/SL:KB]
 
-    //water reflection texture (always needed as scratch space whether or not transparent water is enabled)
-    mWaterDis.allocate(resX, resY, GL_RGBA16F, true);
-
-    if (RenderUIBuffer)
-    {
-        if (!mRT->uiScreen.allocate(resX,resY, GL_RGBA))
-        {
-            return false;
-        }
-    }
-
     S32 shadow_detail = RenderShadowDetail;
     bool ssao = RenderDeferredSSAO;
 
@@ -935,15 +924,6 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 
     mRT->deferredScreen.shareDepthBuffer(mRT->screen);
 
-    if (samples > 0)
-    {
-        if (!mRT->fxaaBuffer.allocate(resX, resY, GL_RGBA)) return false;
-    }
-    else
-    {
-        mRT->fxaaBuffer.release();
-    }
-
     // <FS:Beq> restore setSphere
     // if (shadow_detail > 0 || ssao || RenderDepthOfField || samples > 0))
     if (shadow_detail > 0 || ssao || RenderDepthOfField || samples > 0 || RlvActions::hasPostProcess())
@@ -958,19 +938,45 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 
     allocateShadowBuffer(resX, resY);
 
-    if (!gCubeSnapshot && RenderScreenSpaceReflections) // hack to not allocate mSceneMap for cube snapshots
+    if (!gCubeSnapshot) // hack to not re-allocate various targets for cube snapshots
     {
-        mSceneMap.allocate(resX, resY, GL_RGB, true);
+        if (RenderUIBuffer)
+        {
+            if (!mUIScreen.allocate(resX, resY, GL_RGBA))
+            {
+                return false;
+            }
+        }
+
+        if (samples > 0)
+        {
+            if (!mFXAAMap.allocate(resX, resY, GL_RGBA)) return false;
+        }
+        else
+        {
+            mFXAAMap.release();
+        }
+
+        //water reflection texture (always needed as scratch space whether or not transparent water is enabled)
+        mWaterDis.allocate(resX, resY, GL_RGBA16F, true);
+
+        if(RenderScreenSpaceReflections)
+        {
+            mSceneMap.allocate(resX, resY, GL_RGB, true);
+        }
+        else
+        {
+            mSceneMap.release();
+        }
+
+        const bool post_hdr = gSavedSettings.getBOOL("RenderPostProcessingHDR");
+        const U32 post_color_fmt = post_hdr ? GL_RGBA16F : GL_RGBA;
+        mPostMap.allocate(resX, resY, post_color_fmt);
+
+        // used to scale down textures
+        // See LLViwerTextureList::updateImagesCreateTextures and LLImageGL::scaleDown
+        mDownResMap.allocate(4, 4, GL_RGBA);
     }
-
-    const bool post_hdr = gSavedSettings.getBOOL("RenderPostProcessingHDR");
-    const U32 post_color_fmt = post_hdr ? GL_RGBA16F : GL_RGBA;
-    mPostMap.allocate(resX, resY, post_color_fmt);
-
-    // used to scale down textures
-    // See LLViwerTextureList::updateImagesCreateTextures and LLImageGL::scaleDown
-    mDownResMap.allocate(4, 4, GL_RGBA);
-
     //HACK make screenbuffer allocations start failing after 30 seconds
     if (gSavedSettings.getBOOL("SimulateFBOFailure"))
     {
@@ -992,7 +998,7 @@ bool LLPipeline::allocateShadowBuffer(U32 resX, U32 resY)
     LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
     S32 shadow_detail = RenderShadowDetail;
 
-    F32 scale = llmax(0.f, RenderShadowResolutionScale);
+    F32 scale = gCubeSnapshot ? 1.0f : llmax(0.f, RenderShadowResolutionScale); // Don't scale probe shadow maps
     U32 sun_shadow_map_width = BlurHappySize(resX, scale);
     U32 sun_shadow_map_height = BlurHappySize(resY, scale);
 
@@ -1226,6 +1232,10 @@ void LLPipeline::releaseGLBuffers()
 
     mPostMap.release();
 
+    mFXAAMap.release();
+
+    mUIScreen.release();
+
     mDownResMap.release();
 
     for (U32 i = 0; i < 3; i++)
@@ -1233,6 +1243,8 @@ void LLPipeline::releaseGLBuffers()
         mGlow[i].release();
     }
 
+    mHeroProbeManager.cleanup(); // release hero probes
+
     releaseScreenBuffers();
 
     gBumpImageList.destroyGL();
@@ -1263,22 +1275,20 @@ void LLPipeline::releaseShadowBuffers()
 
 void LLPipeline::releaseScreenBuffers()
 {
-    mRT->uiScreen.release();
     mRT->screen.release();
-    mRT->fxaaBuffer.release();
     mRT->deferredScreen.release();
     mRT->deferredLight.release();
 
-    mHeroProbeRT.uiScreen.release();
+    mAuxillaryRT.screen.release();
+    mAuxillaryRT.deferredScreen.release();
+    mAuxillaryRT.deferredLight.release();
+
     mHeroProbeRT.screen.release();
-    mHeroProbeRT.fxaaBuffer.release();
     mHeroProbeRT.deferredScreen.release();
     mHeroProbeRT.deferredLight.release();
 
     // <FS:Ansariel> Auxillary render target pack for 1024px LLDynamicTexture
-    mDynamicTextureRT.uiScreen.release();
     mDynamicTextureRT.screen.release();
-    mDynamicTextureRT.fxaaBuffer.release();
     mDynamicTextureRT.deferredScreen.release();
     mDynamicTextureRT.deferredLight.release();
     // </FS:Ansariel>
@@ -7287,7 +7297,7 @@ void LLPipeline::applyFXAA(LLRenderTarget* src, LLRenderTarget* dst)
 {
     {
         llassert(!gCubeSnapshot);
-        bool multisample = RenderFSAASamples > 1 && mRT->fxaaBuffer.isComplete();
+        bool multisample = RenderFSAASamples > 1 && mFXAAMap.isComplete();
         LLGLSLShader* shader = &gGlowCombineProgram;
 
         S32 width = dst->getWidth();
@@ -7298,7 +7308,7 @@ void LLPipeline::applyFXAA(LLRenderTarget* src, LLRenderTarget* dst)
         {
             LL_PROFILE_GPU_ZONE("aa");
             // bake out texture2D with RGBL for FXAA shader
-            mRT->fxaaBuffer.bindTarget();
+            mFXAAMap.bindTarget();
 
             shader = &gGlowCombineFXAAProgram;
             shader->bind();
@@ -7318,16 +7328,16 @@ void LLPipeline::applyFXAA(LLRenderTarget* src, LLRenderTarget* dst)
             shader->disableTexture(LLShaderMgr::DEFERRED_DIFFUSE, src->getUsage());
             shader->unbind();
 
-            mRT->fxaaBuffer.flush();
+            mFXAAMap.flush();
 
             dst->bindTarget();
             shader = &gFXAAProgram;
             shader->bind();
 
-            channel = shader->enableTexture(LLShaderMgr::DIFFUSE_MAP, mRT->fxaaBuffer.getUsage());
+            channel = shader->enableTexture(LLShaderMgr::DIFFUSE_MAP, mFXAAMap.getUsage());
             if (channel > -1)
             {
-                mRT->fxaaBuffer.bindTexture(0, channel, LLTexUnit::TFO_BILINEAR);
+                mFXAAMap.bindTexture(0, channel, LLTexUnit::TFO_BILINEAR);
             }
 
             gGLViewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;
@@ -7337,8 +7347,8 @@ void LLPipeline::applyFXAA(LLRenderTarget* src, LLRenderTarget* dst)
 
             glViewport(gGLViewport[0], gGLViewport[1], gGLViewport[2], gGLViewport[3]);
 
-            F32 scale_x = (F32)width / mRT->fxaaBuffer.getWidth();
-            F32 scale_y = (F32)height / mRT->fxaaBuffer.getHeight();
+            F32 scale_x = (F32)width / mFXAAMap.getWidth();
+            F32 scale_y = (F32)height / mFXAAMap.getHeight();
             shader->uniform2f(LLShaderMgr::FXAA_TC_SCALE, scale_x, scale_y);
             shader->uniform2f(LLShaderMgr::FXAA_RCP_SCREEN_RES, 1.f / width * scale_x, 1.f / height * scale_y);
             shader->uniform4f(LLShaderMgr::FXAA_RCP_FRAME_OPT, -0.5f / width * scale_x, -0.5f / height * scale_y,
@@ -7630,7 +7640,7 @@ void LLPipeline::renderDoF(LLRenderTarget* src, LLRenderTarget* dst)
             { // combine result based on alpha
 
                 dst->bindTarget();
-                if (RenderFSAASamples > 1 && mRT->fxaaBuffer.isComplete())
+                if (RenderFSAASamples > 1 && mFXAAMap.isComplete())
                 {
                     glViewport(0, 0, dst->getWidth(), dst->getHeight());
                 }
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 8bbf97dd2f..9a38e3bfc8 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -700,10 +700,7 @@ public:
 
         //screen texture
         LLRenderTarget          screen;
-        LLRenderTarget          uiScreen;
         LLRenderTarget          deferredScreen;
-        LLRenderTarget          fxaaBuffer;
-        LLRenderTarget          edgeMap;
         LLRenderTarget          deferredLight;
 
         //sun shadow map
@@ -742,6 +739,12 @@ public:
     // tonemapped and gamma corrected render ready for post
     LLRenderTarget          mPostMap;
 
+    // FXAA helper target
+    LLRenderTarget          mFXAAMap;
+
+    // render ui to buffer target
+    LLRenderTarget          mUIScreen;
+
     // downres scratch space for GPU downscaling of textures
     LLRenderTarget          mDownResMap;
 
diff --git a/indra/newview/skins/default/xui/en/panel_login.xml b/indra/newview/skins/default/xui/en/panel_login.xml
index fd8594092d..e56b461f0a 100644
--- a/indra/newview/skins/default/xui/en/panel_login.xml
+++ b/indra/newview/skins/default/xui/en/panel_login.xml
@@ -145,7 +145,6 @@
     control_name="RememberPassword"
     follows="left|top"
     font="SansSerifMedium"
-    text_color="EmphasisColor"
     height="24"
     left="408"
     bottom_delta="0"