Earlier quoted context omitted.
It’s not web but react native.
Whatever product manager team decided to jump into React Native with both feet for the Windows experience needs to be ejected from the industry permanently. Think of how many thousands of human hours per day are now spent waiting on React Native jank, all in order to save the Windows developers from having to program in Windows using Microsoft products.
What MS really needs to do is create a really long checklist of all the UI defained configurations and options, along with a connected list of all the relevant API interfaces they connect to... then come up with a consistent, complete and competent component library to do a ground up re-implementation of all the things in a consistent way.
This would, of course mean stabilizing the released version of windows to mostly bug fixes for a couple years while frantically generating and dog-fooding the new UX... starting with a re-revamped task manager, and launcher/file-picker. Just a bare desktop and a hotkey that opens task manager as the first and only UI elements then working out from there.