WinAppSDK 1.8 Experimental 2 Release Notes (#5426)

* WinAppSDK 1.8 Experimental 2 Release Notes

* Update experimental-channel.md

* Update experimental-channel.md

* Update experimental-channel.md

* Update experimental-channel.md

* Update experimental-channel.md

* Update experimental-channel.md

* Updates

* Update experimental-channel.md

* Update experimental-channel.md

* Update experimental-channel.md

* Update experimental-channel.md

Author: RDMacLachlan

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

@@ -40,6 +40,7 @@ For all the latest Windows App SDK downloads, refer to the tables and links belo
 
 | Version                                                                                                                                                                                                                                                                                                                                                                                                | Runtime downloads                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
 | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| [1.8 Experimental2 (1.8.250515001-experimental2) ](/windows/apps/windows-app-sdk/experimental-channel#version-18-experimental-180-experimental2) <br/> 05/19/2025 <br/> [Release notes](/windows/apps/windows-app-sdk/experimental-channel#version-18-experimental-180-experimental2) <br/> [Source](https://github.com/microsoft/microsoft-ui-xaml/releases/tag/winui3%2Frelease%2F1.8-experimental2) | [Installer (x64)](https://aka.ms/windowsappsdk/1.8/1.8.250515001-experimental2/windowsappruntimeinstall-x64.exe) <br/> [Installer (x86)](https://aka.ms/windowsappsdk/1.8/1.8.250515001-experimental2/windowsappruntimeinstall-x86.exe) <br/> [Installer (arm64)](https://aka.ms/windowsappsdk/1.8/1.8.250515001-experimental2/windowsappruntimeinstall-arm64.exe) <br/> [Redistributable](https://aka.ms/windowsappsdk/1.8/1.8.250515001-experimental2/Microsoft.WindowsAppRuntime.Redist.1.8.zip) |
 | [1.8 Experimental1 (1.8.250410001-experimental1) ](/windows/apps/windows-app-sdk/experimental-channel#version-18-experimental-180-experimental1) <br/> 04/15/2025 <br/> [Release notes](/windows/apps/windows-app-sdk/experimental-channel#version-18-experimental-180-experimental1) <br/> [Source](https://github.com/microsoft/microsoft-ui-xaml/releases/tag/winui3%2Frelease%2F1.8-experimental1) | [Installer (x64)](https://aka.ms/windowsappsdk/1.8/1.8.250410001-experimental1/windowsappruntimeinstall-x64.exe) <br/> [Installer (x86)](https://aka.ms/windowsappsdk/1.8/1.8.250410001-experimental1/windowsappruntimeinstall-x86.exe) <br/> [Installer (arm64)](https://aka.ms/windowsappsdk/1.8/1.8.250410001-experimental1/windowsappruntimeinstall-arm64.exe) <br/> [Redistributable](https://aka.ms/windowsappsdk/1.8/1.8.250410001-experimental1/Microsoft.WindowsAppRuntime.Redist.1.8.zip) |
 
 Depending on your development scenario, you might require the following: