The source code for the version of WinUI 3 in WinAppSDK 2.0.0-experimental7 is available. 2.0.0-experimental7 is an experimental WinAppSDK release that includes bug fixes for earlier versions and access to non-stable APIs.

Check out our release notes for the list of fixed issues and new or experimental APIs in this release.

Download the WinUI NuGet package for 2.0-experimental7 here: https://www.nuget.org/packages/Microsoft.WindowsAppSDK.WinUI/2.0.10-experimental