At work I have had to use macOS for two years now and I still can’t get over how annoying their GUI is. I’m surprised every time someone praises it.
I’ve been in the same boat, and ended up installing a lot of utils just to keep my sanity. I used this guy as a primary resource: https://youtu.be/cfsNO14hikA
Oh yes, me too, Magnet, Amphetamine, Karabiner, Forklift, qView.
What I’m missing is a good solution for the calender. The integration with Exchange calenders is broken since Ventura, the Webview of OWA drives me up walls, the Thunderbird integration with Add-Ons I didn’t get to work so far.