That's being done as the company urges devs to switch to Windows App SDK and WinUI 3 because UWP is no longer ... advantage of recent tooling improvements to ease your migration journey," Pedri said.

If you're a developer with a UWP app, but want to utilize the latest advancements in WinUI 3.0 or .NET 5 and up, then you'll need to migrate your app to the Windows App SDK first. This is because ...