Earlier quoted context omitted.
I can definitely understand them wanting to drop custom C++ extensions, but it's a shame they can't figure out how to provide a nice development experience for their newer UI platforms. If only .NET actually works reasonably well with it (and there's a huge managed native overhead) maybe it should have just been WPF 2.0? Not that I would use WinUI anyway, microsoft cannot be trusted with UI frameworks anymore.
The custom C++ extensions argument is a very bad lame excuse, it isn't as if WinRT was ever going to be cross platform, or not every single C and C++ compiler used in production (not toy compilers) doesn't have their own set of extensions anyway. I also don't consider anything related to WinUI/UWP trustworthy for production development, and I used to advocate for it. Stuff like how .NET Native, C++/CX => C++/WinRT tr…
An almost complete waste of time as Microsoft failed to deliver on their promises.