diff --git a/.nuget/directxmesh_desktop_2017.nuspec b/.nuget/directxmesh_desktop_2017.nuspec
index 375c03b..226923a 100644
--- a/.nuget/directxmesh_desktop_2017.nuspec
+++ b/.nuget/directxmesh_desktop_2017.nuspec
@@ -10,7 +10,7 @@
         <description>This version is for Windows desktop applications using Visual Studio 2017 or Visual Studio 2019 and supports Windows 7 / DirectX 11.
 
 DirectXMesh, a shared source library for performing various geometry content processing operations including generating normals and tangent frames, triangle adjacency computations, vertex cache optimization, and meshlet generation.</description>
-        <releaseNotes>Matches the June 9, 2021 release on GitHub.</releaseNotes>
+        <releaseNotes>Matches the September 28, 2021 release on GitHub.</releaseNotes>
         <projectUrl>http://go.microsoft.com/fwlink/?LinkID=324981</projectUrl>
         <icon>images\icon.jpg</icon>
         <license type="expression">MIT</license>
diff --git a/.nuget/directxmesh_desktop_win10.nuspec b/.nuget/directxmesh_desktop_win10.nuspec
index 4986267..9d803f9 100644
--- a/.nuget/directxmesh_desktop_win10.nuspec
+++ b/.nuget/directxmesh_desktop_win10.nuspec
@@ -10,7 +10,7 @@
         <description>This version is for Windows desktop applications using Visual Studio 2017 or Visual Studio 2019 and supports Windows 10 including both DirectX 11 and DirectX 12.
 
 DirectXMesh, a shared source library for performing various geometry content processing operations including generating normals and tangent frames, triangle adjacency computations, vertex cache optimization, and meshlet generation.</description>
-        <releaseNotes>Matches the June 9, 2021 release on GitHub.</releaseNotes>
+        <releaseNotes>Matches the September 28, 2021 release on GitHub.</releaseNotes>
         <projectUrl>http://go.microsoft.com/fwlink/?LinkID=324981</projectUrl>
         <icon>images\icon.jpg</icon>
         <license type="expression">MIT</license>
diff --git a/.nuget/directxmesh_uwp.nuspec b/.nuget/directxmesh_uwp.nuspec
index 763d74a..9ec1c98 100644
--- a/.nuget/directxmesh_uwp.nuspec
+++ b/.nuget/directxmesh_uwp.nuspec
@@ -10,7 +10,7 @@
         <description>This version is for Universal Windows Platform apps on Windows 10 using Visual Studio 2017 or Visual Studio 2019.
 
 DirectXMesh, a shared source library for performing various geometry content processing operations including generating normals and tangent frames, triangle adjacency computations, vertex cache optimization, and meshlet generation.</description>
-        <releaseNotes>Matches the June 9, 2021 release on GitHub.</releaseNotes>
+        <releaseNotes>Matches the September 28, 2021 release on GitHub.</releaseNotes>
         <projectUrl>http://go.microsoft.com/fwlink/?LinkID=324981</projectUrl>
         <icon>images\icon.jpg</icon>
         <license type="expression">MIT</license>
diff --git a/HISTORY.md b/HISTORY.md
index c0311de..fa6d988 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -6,6 +6,10 @@ Releases available for download on [GitHub](https://github.com/microsoft/DirectX
 
 ## Release History
 
+### September 28, 2021
+* Fixed overflow case in meshlet generation with degenerate triangles
+* Minor code review and project cleanup
+
 ### June 9, 2021
 * meshconvert: improved ``-flist`` switch to support wildcards and file exclusions
 * FlexibleVertexFormat.h header added to Utilities folder
diff --git a/README.md b/README.md
index d4aa545..2981f99 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ http://go.microsoft.com/fwlink/?LinkID=324981
 
 Copyright (c) Microsoft Corporation.
 
-**June 9, 2021**
+**September 28, 2021**
 
 This package contains DirectXMesh, a shared source library for performing various geometry content processing operations including generating normals and tangent frames, triangle adjacency computations, vertex cache optimization, and meshlet generation.