"What's important" depends upon who is asking the question and who they are asking the question to.

I am a MacOS user now, but I wonder how Microsoft are faring in the aspects of stability, removal of bloat, fixing tech debt, refactoring of code to improve readability and bloat, addressing security issues, speeding up the builds, ensuring device driver stability on supported hardware, improving support for applications and use cases, improving actual as well as perceived speeds, and so on.