Microsoft.WindowsAppSDK.WinUI (nuget): This package provides backward-compatible versions of Windows UI features including UWP XAML controls, dense control styles, and Fluent styles and materials. It is part of the Windows UI Library.        The WinUI 3 APIs in this package are subject to change in future releases of Windows App SDK. This version is intended for preview and not for use in shipping applications.
Keywords: Windows|WinUI|UWP|XAML|Fluent|Controls|Downlevel|Compatibility|TreeView|ColorPicker|NavigationView|MenuBar