You're not the only one. I also regret upgrading, primarily because of the window management issues. I typically use 3-4 "spaces" and an external monitor and it's now a pathetically stupid nightmare, where windows almost never retain their last position correctly (which they used to do perfectly fine), and my keyboard shortcuts for spaces don't work until I run `killall Dock`, but I have to do this EVERY TIME MY MONITOR TURNS OFF or every time I change monitors. So freaking ridiculous and irritating. It's fucking 2026