It's merged to Xaml not? And what do you want more for WPF?
PS. According to me it was difficult to port the Graphic part of WPF to Linux/Mac.
PS. According to me it was difficult to port the Graphic part of WPF to Linux/Mac.
And yes, XAML is used by more than WPF at this point (Silverlight, UWP, and possibly more).