What does HackerNews think of microsoft-ui-xaml?
Windows UI Library: the latest Windows 10 native controls and Fluent styles for your applications
https://github.com/microsoft/microsoft-ui-xaml
https://github.com/microsoft/WindowsAppSDK
https://github.com/dotnet/maui
https://github.com/microsoft/microsoft-ui-xaml (WinUI 3)
WinUI 3 includes all of what used to the the UWP controls and Renderer but "lifted and shifted" out of OS updates and also made accessible to non-UWP (primarily Win32) applications in Project Reunion (and techniques such as "XAML Islands").
WinForms 'the win95-style UI' https://github.com/dotnet/winforms
WPF 'the Vista-style UI' https://github.com/dotnet/wpf
WinUI3 'the Modern-style UI' https://github.com/microsoft/microsoft-ui-xaml
Windows Communications Foundation https://github.com/dotnet/wcf
And more stuff I am not aware of. Judge as you wish, but if you are going to discuss the topic, they are important.