Same issue with my 2k dell monitor and Apple Silicon MBP 13inch. I can barely see the words on my screen, and if I use 1080p, it becomes burry. I tried all old way I can find but all in vain. I just switched from a surface pro and barely believe that such simple function can not be supported in Mac OS, it is just somehow shocking.

This issue is nearly killing me

Same here. Resetting iphone or HomePod won’t work. Something’s corrupted in my account/iCloud