Javier Suarez is one of the main .NET MAUI developers during the stream mentioned that they were able to increase .NET MAUI handlers performance regarding to Xamarin.Forms Renderers up to 4 times.
There is an interesting video below describing technical details about how .NET Maui handlers work. The video is pinned at the moment when he’s talking about performance advantages.
Developer:Need to play and see does it really so fast as they say.
QA engineer:Business as usual.
PM/DM:Business as usual.