diff --git a/.nuget/uvatlas_desktop_2019.nuspec b/.nuget/uvatlas_desktop_2019.nuspec
index 979cefb..2cb974a 100644
--- a/.nuget/uvatlas_desktop_2019.nuspec
+++ b/.nuget/uvatlas_desktop_2019.nuspec
@@ -10,7 +10,7 @@
         <description>This version is for Windows desktop applications using Visual Studio 2019 (16.11) or Visual Studio 2022.
 
 UVAtlas, a shared source library for creating and packing an isochart texture atlas.</description>
-        <releaseNotes>Matches the October 31, 2023 release on GitHub.</releaseNotes>
+        <releaseNotes>Matches the December 31, 2023 release on GitHub.</releaseNotes>
         <projectUrl>http://go.microsoft.com/fwlink/?LinkID=512686</projectUrl>
         <repository type="git" url="https://github.com/microsoft/UVAtlas.git" />
         <icon>images\icon.jpg</icon>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4f1bb78..ba3b630 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@
 
 cmake_minimum_required (VERSION 3.20)
 
-set(UVATLAS_VERSION 1.8.5)
+set(UVATLAS_VERSION 1.8.6)
 
 if(WINDOWS_STORE OR (DEFINED XBOX_CONSOLE_TARGET))
   set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")
diff --git a/HISTORY.md b/HISTORY.md
index dc6b4c1..db7d54d 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -6,6 +6,11 @@ Release available for download on [GitHub](https://github.com/microsoft/UVAtlas/
 
 ## Release History
 
+### December 31, 2023
+* CMake project updates including pkg-config file generation
+* Code review
+* uvatlastool: Updated for December 2023 DirectXTex & DirectXMesh releases
+
 ### October 31, 2023
 * Retired ARM (32-bit) support for the UWP platform
 * CMake project updates
diff --git a/README.md b/README.md
index 18265a5..5b7cc05 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ http://go.microsoft.com/fwlink/?LinkID=512686
 
 Copyright (c) Microsoft Corporation.
 
-**October 31, 2023**
+**December 31, 2023**
 
 This package contains UVAtlas, a shared source library for creating and packing an isochart texture atlas.
 
diff --git a/UVAtlas/inc/UVAtlas.h b/UVAtlas/inc/UVAtlas.h
index f7c82ff..30d85e3 100644
--- a/UVAtlas/inc/UVAtlas.h
+++ b/UVAtlas/inc/UVAtlas.h
@@ -42,7 +42,7 @@
 
 #include <DirectXMath.h>
 
-#define UVATLAS_VERSION 185
+#define UVATLAS_VERSION 186
 
 
 namespace DirectX
diff --git a/UVAtlasTool/UVAtlasTool_2019.vcxproj b/UVAtlasTool/UVAtlasTool_2019.vcxproj
index 27a3fc9..4e351eb 100644
--- a/UVAtlasTool/UVAtlasTool_2019.vcxproj
+++ b/UVAtlasTool/UVAtlasTool_2019.vcxproj
@@ -308,14 +308,14 @@
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
-    <Import Project="..\packages\directxmesh_desktop_2019.2023.10.31.2\build\native\directxmesh_desktop_2019.targets" Condition="Exists('..\packages\directxmesh_desktop_2019.2023.10.31.2\build\native\directxmesh_desktop_2019.targets')" />
-    <Import Project="..\packages\directxtex_desktop_2019.2023.10.31.1\build\native\directxtex_desktop_2019.targets" Condition="Exists('..\packages\directxtex_desktop_2019.2023.10.31.1\build\native\directxtex_desktop_2019.targets')" />
+    <Import Project="..\packages\directxmesh_desktop_2019.2024.1.1.1\build\native\directxmesh_desktop_2019.targets" Condition="Exists('..\packages\directxmesh_desktop_2019.2024.1.1.1\build\native\directxmesh_desktop_2019.targets')" />
+    <Import Project="..\packages\directxtex_desktop_2019.2024.1.1.1\build\native\directxtex_desktop_2019.targets" Condition="Exists('..\packages\directxtex_desktop_2019.2024.1.1.1\build\native\directxtex_desktop_2019.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\directxmesh_desktop_2019.2023.10.31.2\build\native\directxmesh_desktop_2019.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\directxmesh_desktop_2019.2023.10.31.2\build\native\directxmesh_desktop_2019.targets'))" />
-    <Error Condition="!Exists('..\packages\directxtex_desktop_2019.2023.10.31.1\build\native\directxtex_desktop_2019.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\directxtex_desktop_2019.2023.10.31.1\build\native\directxtex_desktop_2019.targets'))" />
+    <Error Condition="!Exists('..\packages\directxmesh_desktop_2019.2024.1.1.1\build\native\directxmesh_desktop_2019.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\directxmesh_desktop_2019.2024.1.1.1\build\native\directxmesh_desktop_2019.targets'))" />
+    <Error Condition="!Exists('..\packages\directxtex_desktop_2019.2024.1.1.1\build\native\directxtex_desktop_2019.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\directxtex_desktop_2019.2024.1.1.1\build\native\directxtex_desktop_2019.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/UVAtlasTool/UVAtlasTool_2022.vcxproj b/UVAtlasTool/UVAtlasTool_2022.vcxproj
index 75a6745..db71fe9 100644
--- a/UVAtlasTool/UVAtlasTool_2022.vcxproj
+++ b/UVAtlasTool/UVAtlasTool_2022.vcxproj
@@ -314,14 +314,14 @@
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
-    <Import Project="..\packages\directxmesh_desktop_2019.2023.10.31.2\build\native\directxmesh_desktop_2019.targets" Condition="Exists('..\packages\directxmesh_desktop_2019.2023.10.31.2\build\native\directxmesh_desktop_2019.targets')" />
-    <Import Project="..\packages\directxtex_desktop_2019.2023.10.31.1\build\native\directxtex_desktop_2019.targets" Condition="Exists('..\packages\directxtex_desktop_2019.2023.10.31.1\build\native\directxtex_desktop_2019.targets')" />
+    <Import Project="..\packages\directxmesh_desktop_2019.2024.1.1.1\build\native\directxmesh_desktop_2019.targets" Condition="Exists('..\packages\directxmesh_desktop_2019.2024.1.1.1\build\native\directxmesh_desktop_2019.targets')" />
+    <Import Project="..\packages\directxtex_desktop_2019.2024.1.1.1\build\native\directxtex_desktop_2019.targets" Condition="Exists('..\packages\directxtex_desktop_2019.2024.1.1.1\build\native\directxtex_desktop_2019.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\directxmesh_desktop_2019.2023.10.31.2\build\native\directxmesh_desktop_2019.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\directxmesh_desktop_2019.2023.10.31.2\build\native\directxmesh_desktop_2019.targets'))" />
-    <Error Condition="!Exists('..\packages\directxtex_desktop_2019.2023.10.31.1\build\native\directxtex_desktop_2019.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\directxtex_desktop_2019.2023.10.31.1\build\native\directxtex_desktop_2019.targets'))" />
+    <Error Condition="!Exists('..\packages\directxmesh_desktop_2019.2024.1.1.1\build\native\directxmesh_desktop_2019.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\directxmesh_desktop_2019.2024.1.1.1\build\native\directxmesh_desktop_2019.targets'))" />
+    <Error Condition="!Exists('..\packages\directxtex_desktop_2019.2024.1.1.1\build\native\directxtex_desktop_2019.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\directxtex_desktop_2019.2024.1.1.1\build\native\directxtex_desktop_2019.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/UVAtlasTool/packages.config b/UVAtlasTool/packages.config
index 5b569e5..4e63c58 100644
--- a/UVAtlasTool/packages.config
+++ b/UVAtlasTool/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="directxmesh_desktop_2019" version="2023.10.31.2" targetFramework="native" />
-  <package id="directxtex_desktop_2019" version="2023.10.31.1" targetFramework="native" />
+  <package id="directxmesh_desktop_2019" version="2024.1.1.1" targetFramework="native" />
+  <package id="directxtex_desktop_2019" version="2024.1.1.1" targetFramework="native" />
 </packages>
\ No newline at end of file