diff --git a/.nuget/directxtk12_desktop_2015.nuspec b/.nuget/directxtk12_desktop_2015.nuspec
index 58aa82ad..fa3c0b8f 100644
--- a/.nuget/directxtk12_desktop_2015.nuspec
+++ b/.nuget/directxtk12_desktop_2015.nuspec
@@ -33,7 +33,7 @@ SpriteBatch - simple & efficient 2D sprite rendering
 SpriteFont - bitmap based text rendering 
 VertexTypes - structures for commonly used vertex data formats 
 WICTextureLoader - WIC-based image file texture loader</description>
-        <releaseNotes>Matches the June 30, 2019 release on GitHub.</releaseNotes>
+        <releaseNotes>Matches the August 21, 2019 release on GitHub.</releaseNotes>
         <projectUrl>http://go.microsoft.com/fwlink/?LinkID=615561</projectUrl>
         <iconUrl>https://github.com/Microsoft/DirectXTK12/wiki/X_jpg.jpg</iconUrl>
         <license type="expression">MIT</license>
diff --git a/.nuget/directxtk12_uwp.nuspec b/.nuget/directxtk12_uwp.nuspec
index 6e866377..4175942c 100644
--- a/.nuget/directxtk12_uwp.nuspec
+++ b/.nuget/directxtk12_uwp.nuspec
@@ -33,7 +33,7 @@ SpriteBatch - simple &amp; efficient 2D sprite rendering
 SpriteFont - bitmap based text rendering 
 VertexTypes - structures for commonly used vertex data formats 
 WICTextureLoader - WIC-based image file texture loader</description>
-        <releaseNotes>Matches the June 30, 2019 release on GitHub.</releaseNotes>
+        <releaseNotes>Matches the August 21, 2019 release on GitHub.</releaseNotes>
         <projectUrl>http://go.microsoft.com/fwlink/?LinkID=615561</projectUrl>
         <iconUrl>https://github.com/Microsoft/DirectXTK12/wiki/X_jpg.jpg</iconUrl>
         <license type="expression">MIT</license>
diff --git a/Readme.txt b/Readme.txt
index 587c8e29..4b584556 100644
--- a/Readme.txt
+++ b/Readme.txt
@@ -4,7 +4,7 @@ DirectXTK - the DirectX Tool Kit for DirectX 12
 
 Copyright (c) Microsoft Corporation. All rights reserved.
 
-June 30, 2019
+August 21, 2019
 
 This package contains the "DirectX Tool Kit", a collection of helper classes for
 writing Direct3D 12 C++ code for Universal Windows Platform (UWP) apps, Win32
@@ -128,6 +128,10 @@ RELEASE NOTES
 RELEASE HISTORY
 ---------------
 
+August 21, 2019
+    Updated D3DX12 internal copy to latest version
+    Code cleanup
+
 June 30, 2019
     Clang/LLVM warning cleanup
     Renamed DirectXTK_Windows10.vcxproj to _Windows10_2017.vcxproj