Switch from Wayland to XServer: before logging in, check the cog icon in lower left corner, choose "Gnome on Xorg". Ranger photo preview doesn't work on Wayland. That can be fixed with https://github.com/jstkdng/ueberzugpp, but it gives a pixelated preview.
Remove touchegg (I don't use X11 gestures, and it spams the journal with connection failures unless I enable
touchegg.service):
pamac remove touche touchegg gnome-shell-extension-x11gestures
Baloo file indexer for KDE is just a nuisance. Disable it: balooctl disable
Shutdown shortcut - ctrl+alt+delete
CLI gnome extensions installer: https://github.com/brunelli/gnome-shell-extension-installer Might come in handy if I want to automatically set up some extensions. Sadly, the audio swither extensions don't work on my (new) version of Gnome.