Scott Hunter just recently wrote an in depth article about the next upcoming .NET 6 release. In this he also mentioned that .NET MAUI (.NET Multi-platform App UI) will not be GA alongside the general .NET 6 release.
Here are all the details of his post:
Update on .NET Multi-platform App UI (.NET MAUI) – .NET Blog (microsoft.com)
.NET MAUI will not be ready for production with .NET 6 GA in November
