Win app sdk/release notes/1.6/1.6.4 (#5103)

RDMacLachlan · Karl-Bridge-Microsoft · web-flow · commit 8f726962bdc6 · 2025-01-15T14:46:55.000-08:00
* WinAppSDK 1.6.4 Release Notes

Need to replace __VERSION__ with actual version when known.

* Version info added

Updated Version based on NuGet

* Minor updates

* Updated Bookmarks

* Update downloads.md

* Update ms.date in Windows App SDK docs

---------

Co-authored-by: KB &lt;12849639+Karl-Bridge-Microsoft@users.noreply.github.com&gt;
diff --git a/hub/apps/windows-app-sdk/downloads.md b/hub/apps/windows-app-sdk/downloads.md
@@ -2,7 +2,7 @@
 title: Latest downloads for the Windows App SDK
 description: Latest downloads for the Windows App SDK, including the installer and MSIX packages
 ms.topic: article
-ms.date: 07/15/2024
+ms.date: 01/15/2025
 keywords: windows win32, windows app development, Windows App SDK
 ms.localizationpriority: medium
 ---
@@ -12,7 +12,7 @@ ms.localizationpriority: medium
 This page provides download links to the *latest* releases of the [Windows App SDK](index.md) in the three release channels (stable, preview, and experimental). To get started quickly, download the latest x64 installer below. Or, for older releases, see [Archive of Windows App SDK downloads](downloads-archive.md).
 
 > [!div class="button" style="text-align: left;" width="150px;"] 
-> [Download the latest x64 stable installer (1.6.3)](https://aka.ms/windowsappsdk/1.6/latest/windowsappruntimeinstall-x64.exe)
+> [Download the latest x64 stable installer (1.6.4)](https://aka.ms/windowsappsdk/1.6/latest/windowsappruntimeinstall-x64.exe)
 
 For all the latest Windows App SDK downloads, refer to the tables and links below. To learn more, see [Windows App SDK release channels](release-channels.md) and the release notes provided below for each version.
 
@@ -22,6 +22,7 @@ For all the latest Windows App SDK downloads, refer to the tables and links belo
 
 | Version | Runtime downloads |
 |---|---|
+| [1.6.4 (1.6.250108002)](stable-channel.md#version-164-16250108002) <br/> 01/15/2025 <br/> [Release notes](stable-channel.md#version-164-16250108002) <br/> [Source](https://github.com/microsoft/microsoft-ui-xaml/releases/tag/winui3%2Frelease%2F1.6.4) | [Installer (x64)](https://aka.ms/windowsappsdk/1.6/1.6.250108002/windowsappruntimeinstall-x64.exe) <br/> [Installer (x86)](https://aka.ms/windowsappsdk/1.6/1.6.250108002/windowsappruntimeinstall-x86.exe) <br/> [Installer (arm64)](https://aka.ms/windowsappsdk/1.6/1.6.250108002/windowsappruntimeinstall-arm64.exe) <br/> [Redistributable](https://aka.ms/windowsappsdk/1.6/1.6.250108002/Microsoft.WindowsAppRuntime.Redist.1.6.zip) |
 | [1.6.3 (1.6.241114003)](stable-channel.md#version-163-16241114003) <br/> 11/18/2024 <br/> [Release notes](stable-channel.md#version-163-16241114003) <br/> [Source](https://github.com/microsoft/microsoft-ui-xaml/releases/tag/winui3%2Frelease%2F1.6.3) | [Installer (x64)](https://aka.ms/windowsappsdk/1.6/1.6.241114003/windowsappruntimeinstall-x64.exe) <br/> [Installer (x86)](https://aka.ms/windowsappsdk/1.6/1.6.241114003/windowsappruntimeinstall-x86.exe) <br/> [Installer (arm64)](https://aka.ms/windowsappsdk/1.6/1.6.241114003/windowsappruntimeinstall-arm64.exe) <br/> [Redistributable](https://aka.ms/windowsappsdk/1.6/1.6.241114003/Microsoft.WindowsAppRuntime.Redist.1.6.zip) |
 | [1.6.1 (1.6.240923002)](stable-channel.md#version-161-16240923002) <br/> 10/01/2024 <br/> [Release notes](stable-channel.md#version-161-16240923002) <br/> [Source](https://github.com/microsoft/microsoft-ui-xaml/releases/tag/winui3%2Frelease%2F1.6.1) | [Installer (x64)](https://aka.ms/windowsappsdk/1.6/1.6.240923002/windowsappruntimeinstall-x64.exe) <br/> [Installer (x86)](https://aka.ms/windowsappsdk/1.6/1.6.240923002/windowsappruntimeinstall-x86.exe) <br/> [Installer (arm64)](https://aka.ms/windowsappsdk/1.6/1.6.240923002/windowsappruntimeinstall-arm64.exe) <br/> [Redistributable](https://aka.ms/windowsappsdk/1.6/1.6.240923002/Microsoft.WindowsAppRuntime.Redist.1.6.zip) |
 | [1.6.0 (1.6.240829007)](stable-channel.md#version-16) <br/> 09/04/2024 <br/> [Release notes](stable-channel.md#version-16) <br/> [Source](https://github.com/microsoft/microsoft-ui-xaml/releases/tag/winui3%2Frelease%2F1.6.0) | [Installer (x64)](https://aka.ms/windowsappsdk/1.6/1.6.240829007/windowsappruntimeinstall-x64.exe) <br/> [Installer (x86)](https://aka.ms/windowsappsdk/1.6/1.6.240829007/windowsappruntimeinstall-x86.exe) <br/> [Installer (arm64)](https://aka.ms/windowsappsdk/1.6/1.6.240829007/windowsappruntimeinstall-arm64.exe) <br/> [Redistributable](https://aka.ms/windowsappsdk/1.6/1.6.240829007/Microsoft.WindowsAppRuntime.Redist.1.6.zip) |
diff --git a/hub/apps/windows-app-sdk/release-channels.md b/hub/apps/windows-app-sdk/release-channels.md
@@ -2,7 +2,7 @@
 title: Windows App SDK release channels
 description: Learn about the Experimental, Preview, and Stable release channels used to ship the latest version of the Windows App SDK.
 ms.topic: article
-ms.date: 11/15/2024
+ms.date: 01/15/2025
 keywords: windows win32, windows app development, project reunion, windows app sdk, release channels
 ms.localizationpriority: medium
 ---
diff --git a/hub/apps/windows-app-sdk/stable-channel.md b/hub/apps/windows-app-sdk/stable-channel.md
@@ -2,7 +2,7 @@
 title: Stable channel release notes for the Windows App SDK 
 description: Provides information about the stable release channel for the Windows App SDK.
 ms.topic: article
-ms.date: 09/04/2024
+ms.date: 01/15/2025
 keywords: windows win32, windows app development, Windows App SDK 
 ms.localizationpriority: medium
 ---
@@ -31,6 +31,20 @@ The stable channel provides releases of the Windows App SDK that are supported f
 > [!NOTE]
 > The Windows App SDK Visual Studio Extensions (VSIX) are no longer distributed as a separate download. They are available in the Visual Studio Marketplace inside Visual Studio.
 
+### Version 1.6.4 (1.6.250108002)
+
+This is a servicing release of the Windows App SDK that includes critical bug fixes for the 1.6 release.
+- Fixed an issue with text selection highlighting in a multi-line TextBox. For more info, see GitHub issue [#9965](https://github.com/microsoft/microsoft-ui-xaml/issues/9965).
+- Fixed an issue where the DDLM package would sometimes not install, preventing launch of unpackaged apps. For more info, see GitHub issue [#3855](https://github.com/microsoft/WindowsAppSDK/issues/3855).
+- Fixed a potential crash in Detours in some scenarios. For more info, see GitHub issue [#4937](https://github.com/microsoft/WindowsAppSDK/pull/4937).
+- Fixed another potential issue where a menu off a CommandBar may incorrectly open up instead of down when the CommandBar is at the bottom of the window.
+- Fixed a potential crash when running on older graphics hardware.
+- Fixed a potential crash in pointer event handling when closing a window.
+- Fixed a potential crash caused by `CUIAWindow::InitIds` sometimes triggering reentrancy.
+- Fixed a potential crash when using `CompositionCapabilities.Changed` event.
+- Fixed an issue with some Unicode characters displaying as squares in TextBox/RichEditBox.
+- Fixed `PackageDeploymentManager.EnsurePackage*Async()` handling of `options.RegisterNewerIfAvailable`. For more info, see GitHub issue [#4864](https://github.com/microsoft/WindowsAppSDK/issues/4864).
+
 ### Version 1.6.3 (1.6.241114003)
 
 This is a servicing release of the Windows App SDK that includes critical bug fixes for the 1.6 release.
