Except that main feature of .NET Core 3.0 roadmap is to support Forms and WPF, while allowing mixing UWP controls on them called XAML Islands.
So they are getting some newly found love on their way to the store.
Microsoft has realised that the best way to force devs into the shop is to merge Win32 and UWP worlds.
Starting a new project in WPF at this time doesn’t make sense.