diff --git a/Penumbra/Import/Textures/TextureManager.cs b/Penumbra/Import/Textures/TextureManager.cs
index 7118f8af..6adf5861 100644
--- a/Penumbra/Import/Textures/TextureManager.cs
+++ b/Penumbra/Import/Textures/TextureManager.cs
@@ -1,3 +1,4 @@
+using Dalamud.Interface;
 using Dalamud.Interface.Textures;
 using Dalamud.Interface.Textures.TextureWraps;
 using Dalamud.Plugin.Services;
@@ -6,15 +7,17 @@ using OtterGui.Log;
 using OtterGui.Services;
 using OtterGui.Tasks;
 using OtterTex;
+using SharpDX.Direct3D11;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Formats.Tga;
 using SixLabors.ImageSharp.PixelFormats;
+using DxgiDevice = SharpDX.DXGI.Device;
 using Image = SixLabors.ImageSharp.Image;
 
 namespace Penumbra.Import.Textures;
 
-public sealed class TextureManager(IDataManager gameData, Logger logger, ITextureProvider textureProvider)
+public sealed class TextureManager(IDataManager gameData, Logger logger, ITextureProvider textureProvider, IUiBuilder uiBuilder)
     : SingleTaskQueue, IDisposable, IService
 {
     private readonly Logger _logger = logger;
@@ -47,11 +50,11 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
 
 
     public Task SaveAs(CombinedTexture.TextureSaveType type, bool mipMaps, bool asTex, string input, string output)
-        => Enqueue(new SaveAsAction(this, type, mipMaps, asTex, input, output));
+        => Enqueue(new SaveAsAction(this, type, uiBuilder.Device, mipMaps, asTex, input, output));
 
     public Task SaveAs(CombinedTexture.TextureSaveType type, bool mipMaps, bool asTex, BaseImage image, string path, byte[]? rgba = null,
         int width = 0, int height = 0)
-        => Enqueue(new SaveAsAction(this, type, mipMaps, asTex, image, path, rgba, width, height));
+        => Enqueue(new SaveAsAction(this, type, uiBuilder.Device, mipMaps, asTex, image, path, rgba, width, height));
 
     private Task Enqueue(IAction action)
     {
@@ -156,27 +159,30 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
         private readonly string                          _outputPath;
         private readonly ImageInputData                  _input;
         private readonly CombinedTexture.TextureSaveType _type;
+        private readonly Device?                         _device;
         private readonly bool                            _mipMaps;
         private readonly bool                            _asTex;
 
-        public SaveAsAction(TextureManager textures, CombinedTexture.TextureSaveType type, bool mipMaps, bool asTex, string input,
-            string output)
+        public SaveAsAction(TextureManager textures, CombinedTexture.TextureSaveType type, Device? device, bool mipMaps, bool asTex,
+            string input, string output)
         {
             _textures   = textures;
             _input      = new ImageInputData(input);
             _outputPath = output;
             _type       = type;
+            _device     = device;
             _mipMaps    = mipMaps;
             _asTex      = asTex;
         }
 
-        public SaveAsAction(TextureManager textures, CombinedTexture.TextureSaveType type, bool mipMaps, bool asTex, BaseImage image,
-            string path, byte[]? rgba = null, int width = 0, int height = 0)
+        public SaveAsAction(TextureManager textures, CombinedTexture.TextureSaveType type, Device? device, bool mipMaps, bool asTex,
+            BaseImage image, string path, byte[]? rgba = null, int width = 0, int height = 0)
         {
             _textures   = textures;
             _input      = new ImageInputData(image, rgba, width, height);
             _outputPath = path;
             _type       = type;
+            _device     = device;
             _mipMaps    = mipMaps;
             _asTex      = asTex;
         }
@@ -201,8 +207,8 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
                     rgba, width, height),
                 CombinedTexture.TextureSaveType.AsIs when imageTypeBehaviour is TextureType.Dds => AddMipMaps(image.AsDds!, _mipMaps),
                 CombinedTexture.TextureSaveType.Bitmap => ConvertToRgbaDds(image, _mipMaps, cancel, rgba, width, height),
-                CombinedTexture.TextureSaveType.BC3 => ConvertToCompressedDds(image, _mipMaps, false, cancel, rgba, width, height),
-                CombinedTexture.TextureSaveType.BC7 => ConvertToCompressedDds(image, _mipMaps, true, cancel, rgba, width, height),
+                CombinedTexture.TextureSaveType.BC3 => ConvertToCompressedDds(image, _mipMaps, false, _device, cancel, rgba, width, height),
+                CombinedTexture.TextureSaveType.BC7 => ConvertToCompressedDds(image, _mipMaps, true, _device, cancel, rgba, width, height),
                 _ => throw new Exception("Wrong save type."),
             };
 
@@ -320,8 +326,8 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
     }
 
     /// <summary> Convert an existing image to a block compressed .dds. Does not create a deep copy of an existing dds of the correct format and just returns the existing one. </summary>
-    public static BaseImage ConvertToCompressedDds(BaseImage input, bool mipMaps, bool bc7, CancellationToken cancel, byte[]? rgba = null,
-        int width = 0, int height = 0)
+    public static BaseImage ConvertToCompressedDds(BaseImage input, bool mipMaps, bool bc7, Device? device, CancellationToken cancel,
+        byte[]? rgba = null, int width = 0, int height = 0)
     {
         switch (input.Type.ReduceToBehaviour())
         {
@@ -331,12 +337,12 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
                 cancel.ThrowIfCancellationRequested();
                 var dds = ConvertToDds(rgba, width, height).AsDds!;
                 cancel.ThrowIfCancellationRequested();
-                return CreateCompressed(dds, mipMaps, bc7, cancel);
+                return CreateCompressed(dds, mipMaps, bc7, device, cancel);
             }
             case TextureType.Dds:
             {
                 var scratch = input.AsDds!;
-                return CreateCompressed(scratch, mipMaps, bc7, cancel);
+                return CreateCompressed(scratch, mipMaps, bc7, device, cancel);
             }
             default: return new BaseImage();
         }
@@ -384,7 +390,7 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
     }
 
     /// <summary> Create a BC3 or BC7 block-compressed .dds from the input (optionally with mipmaps). Returns input (+ mipmaps) if it is already the correct format. </summary>
-    public static ScratchImage CreateCompressed(ScratchImage input, bool mipMaps, bool bc7, CancellationToken cancel)
+    public static ScratchImage CreateCompressed(ScratchImage input, bool mipMaps, bool bc7, Device? device, CancellationToken cancel)
     {
         var format = bc7 ? DXGIFormat.BC7UNorm : DXGIFormat.BC3UNorm;
         if (input.Meta.Format == format)
@@ -398,6 +404,15 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
 
         input = AddMipMaps(input, mipMaps);
         cancel.ThrowIfCancellationRequested();
+        // See https://github.com/microsoft/DirectXTex/wiki/Compress#parameters for the format condition.
+        if (device is not null && format is DXGIFormat.BC6HUF16 or DXGIFormat.BC6HSF16 or DXGIFormat.BC7UNorm or DXGIFormat.BC7UNormSRGB)
+        {
+            var dxgiDevice = device.QueryInterface<DxgiDevice>();
+
+            using var deviceClone = new Device(dxgiDevice.Adapter, device.CreationFlags, device.FeatureLevel);
+            return input.Compress(deviceClone.NativePointer, format, CompressFlags.Parallel);
+        }
+
         return input.Compress(format, CompressFlags.BC7Quick | CompressFlags.Parallel);
     }
 
diff --git a/Penumbra/Penumbra.csproj b/Penumbra/Penumbra.csproj
index b4266aeb..870865da 100644
--- a/Penumbra/Penumbra.csproj
+++ b/Penumbra/Penumbra.csproj
@@ -80,6 +80,10 @@
             <HintPath>$(DalamudLibPath)SharpDX.Direct3D11.dll</HintPath>
             <Private>False</Private>
         </Reference>
+        <Reference Include="SharpDX.DXGI">
+            <HintPath>$(DalamudLibPath)SharpDX.DXGI.dll</HintPath>
+            <Private>False</Private>
+        </Reference>
         <Reference Include="OtterTex.dll">
             <HintPath>lib\OtterTex.dll</HintPath>
         </Reference>
diff --git a/Penumbra/UI/AdvancedWindow/Materials/MtrlTab.LivePreview.cs b/Penumbra/UI/AdvancedWindow/Materials/MtrlTab.LivePreview.cs
index 01a40980..5025bafd 100644
--- a/Penumbra/UI/AdvancedWindow/Materials/MtrlTab.LivePreview.cs
+++ b/Penumbra/UI/AdvancedWindow/Materials/MtrlTab.LivePreview.cs
@@ -138,7 +138,7 @@ public partial class MtrlTab
         foreach (var constant in Mtrl.ShaderPackage.Constants)
         {
             var values = Mtrl.GetConstantValue<byte>(constant);
-            if (values != null)
+            if (values != [])
                 SetMaterialParameter(constant.Id, 0, values);
         }
 
diff --git a/Penumbra/UI/AdvancedWindow/ModEditWindow.Textures.cs b/Penumbra/UI/AdvancedWindow/ModEditWindow.Textures.cs
index c08e8a8e..d0764808 100644
--- a/Penumbra/UI/AdvancedWindow/ModEditWindow.Textures.cs
+++ b/Penumbra/UI/AdvancedWindow/ModEditWindow.Textures.cs
@@ -134,7 +134,7 @@ public partial class ModEditWindow
                     tt, !isActive || !canSaveInPlace || _center.IsLeftCopy && _currentSaveAs == (int)CombinedTexture.TextureSaveType.AsIs))
             {
                 _center.SaveAs(_left.Type, _textures, _left.Path, (CombinedTexture.TextureSaveType)_currentSaveAs, _addMipMaps);
-                InvokeChange(Mod, _left.Path);
+                AddChangeTask(_left.Path);
                 AddReloadTask(_left.Path, false);
             }
 
@@ -159,7 +159,7 @@ public partial class ModEditWindow
                     !canConvertInPlace || _left.Format is DXGIFormat.BC7Typeless or DXGIFormat.BC7UNorm or DXGIFormat.BC7UNormSRGB))
             {
                 _center.SaveAsTex(_textures, _left.Path, CombinedTexture.TextureSaveType.BC7, _left.MipMaps > 1);
-                InvokeChange(Mod, _left.Path);
+                AddChangeTask(_left.Path);
                 AddReloadTask(_left.Path, false);
             }
 
@@ -169,7 +169,7 @@ public partial class ModEditWindow
                     !canConvertInPlace || _left.Format is DXGIFormat.BC3Typeless or DXGIFormat.BC3UNorm or DXGIFormat.BC3UNormSRGB))
             {
                 _center.SaveAsTex(_textures, _left.Path, CombinedTexture.TextureSaveType.BC3, _left.MipMaps > 1);
-                InvokeChange(Mod, _left.Path);
+                AddChangeTask(_left.Path);
                 AddReloadTask(_left.Path, false);
             }
 
@@ -180,7 +180,7 @@ public partial class ModEditWindow
                  || _left.Format is DXGIFormat.B8G8R8A8UNorm or DXGIFormat.B8G8R8A8Typeless or DXGIFormat.B8G8R8A8UNormSRGB))
             {
                 _center.SaveAsTex(_textures, _left.Path, CombinedTexture.TextureSaveType.Bitmap, _left.MipMaps > 1);
-                InvokeChange(Mod, _left.Path);
+                AddChangeTask(_left.Path);
                 AddReloadTask(_left.Path, false);
             }
         }
@@ -235,7 +235,7 @@ public partial class ModEditWindow
                 if (a)
                 {
                     _center.SaveAs(null, _textures, b, (CombinedTexture.TextureSaveType)_currentSaveAs, _addMipMaps);
-                    InvokeChange(Mod, b);
+                    AddChangeTask(b);
                     if (b == _left.Path)
                         AddReloadTask(_left.Path, false);
                     else if (b == _right.Path)
@@ -245,6 +245,17 @@ public partial class ModEditWindow
         _forceTextureStartPath = false;
     }
 
+    private void AddChangeTask(string path)
+    {
+        _center.SaveTask.ContinueWith(t =>
+        {
+            if (!t.IsCompletedSuccessfully)
+                return;
+
+            _framework.RunOnFrameworkThread(() => InvokeChange(Mod, path));
+        }, TaskScheduler.Default);
+    }
+
     private void AddReloadTask(string path, bool right)
     {
         _center.SaveTask.ContinueWith(t =>
diff --git a/Penumbra/lib/OtterTex.dll b/Penumbra/lib/OtterTex.dll
index 29912e62..c137aee1 100644
Binary files a/Penumbra/lib/OtterTex.dll and b/Penumbra/lib/OtterTex.dll differ