I hope future wishes don't involve adding yet another stack though. They need to fix the stuff they have (without breaking them), not introduce new stuff.
That's part of my sadness in seeing so many posts here talk bad about the UWP. The UWP barely had half a chance to live, and with Microsoft having to spend so much time in the Chromium codebase and working on Android code, with Electron and React Native seemingly becoming the most common development platforms for them, the future for Microsoft already doesn't seem to be UWP.