So far Plasma has exceeded my expectations coming form Gnome.
I see keyboard shortcuts mentioned throughout this forum, but I can’t find a comprehensive list of default shortcuts in KDE settings or on the docs
For example another post suggested Alt+Shift+F12 should toggle compositing (X11 only).
Click on settings, then under “Appearance” choose “Shortcuts” then display shortcuts by the following categories: “Applications” “System Services” and "Common Actions: