This is a project of Miguel de Icaza
https://en.wikipedia.org/wiki/Miguel_de_Icaza
replies(1):
https://visualstudiomagazine.com/Articles/2022/06/16/csharp-...
Or its beloved Xamarin,
" Rewrites never go as planned.
Xamarin.Forms turning into Maui was supposed to be a quick change, fueled by hopium so strong it defied gravity.
Instead, at best, it set it back 2-3 years."
https://x.com/migueldeicaza/status/1610665502598127616
You will find other juicy remarks, after the deadline to not speak about the acquisition expired.
But this port could not have been done with Xamarin due to the lack of SwiftUI integration.