[rileyteige]

Speaking strictly to the Xamarin here... as someone who has worked professionally w/ Xamarin, Xamarin.Forms, and Flutter: Flutter knocks it out of the park. My experience with Xamarin was so buggy as to be nearly unusable (on Stable no less!). The documentation, _especially in Xamarin.Forms_, was sooo lacking! I wanted so hard for it to be "the next great thing", but there were just too many gotchas and pain points. In contrast, Flutter "just works", has great documentation, great community, great tooling. My development in Flutter, especially with the hot reload they support, has sped up immensely. I can pause the debugger, change code on the fly, continue the debugger, no hiccups. It has been nothing short of wonderful. My anecdotal two cents.

[pjmlp]

Hence why explicitly left Forms out.

For me having to deal with Dart, a programming language without any other purpose than Flutter, it rules out any advantage over Xamarin.

With Xamarin I have C# and the whole .NET ecosystem available.