Not on the MS side for sure, they’ve always made sure they don’t follow their own spec so they can more easily vendor-lock. Typical EEE from the company that coined it.
Windows 10 coming to EOL
That, per se, no, both XP and 7 kept existing for years, but 11 around the corner with ads and recall… that may steer some people away. Edit: as will inflated minimum system requirements at every release.
Web-native apps (Including Msft Office and Adobe)
Those are OS-agnostic and a way to keep using MS apps. Office is one of the hardest to let go (because of aforementioned reasons), especially in a corporate environment - which, most likely, is the bulk of MS customers in terms of revenue.
.Net cross platform (in VSCode or Jetbrains Rider)