Today we are announcing the retirement of the Visual Studio for Mac IDE. Visual Studio for Mac 17.6 will continue to be supported for another 12 months, until August 31st, 2024, with servicing updates for security issues and updated platforms from Apple.
I have started using Avalonia, and even though I am still learning, I am very satisfied with it. There are growing pains obviously, but as you said, I have no confidence in Microsoft UI frameworks.