Wasdk/1.7/1.7.8 release notes (#6249)

* Release Notes

* Update windows-app-sdk-1-7.md

* Update windows-app-sdk-1-7.md

* Update windows-app-sdk-1-7.md

* updates version number

* Update downloads-archive.md

* Update hub/apps/windows-app-sdk/release-notes/windows-app-sdk-1-7.md

Co-authored-by: agniuks <[email protected]>

* Update hub/apps/windows-app-sdk/release-channels.md

Co-authored-by: agniuks <[email protected]>

* Update downloads-archive.md

---------

Co-authored-by: agniuks <[email protected]>

Author: RDMacLachlan

hub/apps/windows-app-sdk/downloads-archive.md

@@ -34,6 +34,7 @@ To learn more, see the [Windows App SDK release channels](release-channels.md) a
 
 | Version | Runtime downloads |
 |---|---|
+| **1.7.8 (1.7.260208005)** <br/> 02/10/2026 <br/> [Release notes](release-notes/windows-app-sdk-1-7.md#version-178-17260208005) <br/> [Source](https://github.com/microsoft/microsoft-ui-xaml/releases/tag/winui3%2Frelease%2F1.7.8) | [Installer (x64)](https://aka.ms/windowsappsdk/1.7/1.7.260208005/windowsappruntimeinstall-x64.exe) <br/> [Installer (x86)](https://aka.ms/windowsappsdk/1.7/1.7.260208005/windowsappruntimeinstall-x86.exe) <br/> [Installer (arm64)](https://aka.ms/windowsappsdk/1.7/1.7.260208005/windowsappruntimeinstall-arm64.exe) <br/> [Redistributable](https://aka.ms/windowsappsdk/1.7/1.7.260208005/Microsoft.WindowsAppRuntime.Redist.1.7.zip) |
 | **1.7.7 (1.7.260114001)** <br/> 01/14/2026 <br/> [Release notes](release-notes/windows-app-sdk-1-7.md#version-177-17260114001) <br/> [Source](https://github.com/microsoft/microsoft-ui-xaml/releases/tag/winui3%2Frelease%2F1.7.7) | [Installer (x64)](https://aka.ms/windowsappsdk/1.7/1.7.260114001/windowsappruntimeinstall-x64.exe) <br/> [Installer (x86)](https://aka.ms/windowsappsdk/1.7/1.7.260114001/windowsappruntimeinstall-x86.exe) <br/> [Installer (arm64)](https://aka.ms/windowsappsdk/1.7/1.7.260114001/windowsappruntimeinstall-arm64.exe) <br/> [Redistributable](https://aka.ms/windowsappsdk/1.7/1.7.260114001/Microsoft.WindowsAppRuntime.Redist.1.7.zip) |
 | **1.7.6 (1.7.251107005)** <br/> 11/11/2025 <br/> [Release notes](release-notes/windows-app-sdk-1-7.md#version-176-17251107005) <br/> [Source](https://github.com/microsoft/microsoft-ui-xaml/releases/tag/winui3%2Frelease%2F1.7.6) | [Installer (x64)](https://aka.ms/windowsappsdk/1.7/1.7.251107005/windowsappruntimeinstall-x64.exe) <br/> [Installer (x86)](https://aka.ms/windowsappsdk/1.7/1.7.251107005/windowsappruntimeinstall-x86.exe) <br/> [Installer (arm64)](https://aka.ms/windowsappsdk/1.7/1.7.251107005/windowsappruntimeinstall-arm64.exe) <br/> [Redistributable](https://aka.ms/windowsappsdk/1.7/1.7.251107005/Microsoft.WindowsAppRuntime.Redist.1.7.zip) |
 | **1.7.5 (1.7.251014001)** <br/> 10/16/2025 <br/> [Release notes](release-notes/windows-app-sdk-1-7.md#version-175-17251014001) <br/> [Source](https://github.com/microsoft/microsoft-ui-xaml/releases/tag/winui3%2Frelease%2F1.7.5) | [Installer (x64)](https://aka.ms/windowsappsdk/1.7/1.7.251014001/windowsappruntimeinstall-x64.exe) <br/> [Installer (x86)](https://aka.ms/windowsappsdk/1.7/1.7.251014001/windowsappruntimeinstall-x86.exe) <br/> [Installer (arm64)](https://aka.ms/windowsappsdk/1.7/1.7.251014001/windowsappruntimeinstall-arm64.exe) <br/> [Redistributable](https://aka.ms/windowsappsdk/1.7/1.7.251014001/Microsoft.WindowsAppRuntime.Redist.1.7.zip) |

hub/apps/windows-app-sdk/release-channels.md

@@ -50,7 +50,7 @@ The Windows App SDK has a lifecycle. A lifecycle begins when a version or servic
 | Windows App SDK version | Original release date | Latest patch version | Patch release date | Support level  | End of servicing |
 | ----------------------- | --------------------- | -------------------- | ------------------ | -------------- | ---------------- |
 | 1.8                     | 09/09/2025            | 1.8.260101001        | 01/13/2026         | Current        | 09/09/2026       |
-| 1.7                     | 03/18/2025            | 1.7.260114001        | 01/14/2026         | Maintenance    | 03/18/2026       |
+| 1.7                     | 03/18/2025            | 1.7.260208005        | 02/10/2026         | Maintenance    | 03/18/2026       |
 | 1.6                     | 09/04/2024            | 1.6.250602001        | 06/10/2025         | Out of Support | 09/04/2025       |
 | 1.5                     | 02/29/2024            | 1.5.250108004        | 01/15/2025         | Out of Support | 02/28/2025       |
 | 1.4                     | 08/29/2023            | 1.4.240802001        | 08/13/2024         | Out of Support | 08/29/2024       |

hub/apps/windows-app-sdk/release-notes/windows-app-sdk-1-7.md

@@ -14,6 +14,19 @@ zone_pivot_groups: wasdk-release-channels
 
 :::zone pivot="stable"
 
+## Version 1.7.8 (1.7.260208005)
+
+Released: **February 10, 2026** <br><br>
+
+<details><summary>Bug fixes</summary>
+
+>
+> * Fixed a package downgrade init failure and added 1.7.8 runtime support—ensuring reliable deployment and correct app recognition across configurations. ([RuntimeCompatibilityChange](/windows/windows-app-sdk/api/winrt/microsoft.windows.applicationmodel.windowsappruntime.runtimecompatibilityoptions.disabledchanges): DeploymentManager_PackageDowngradeFix).
+> 
+
+</details>
+
+
 ## Version 1.7.7 (1.7.260114001)
 
 Released: **January 13, 2026** <br><br>