Before I forget, I want to jot some notes on the screwiest bugs I've seen.
I'm using version 11.4, but it's very likely that some of these misfeatures are still present in 12.1 though the newer kde seems to behave a bit better. Better, at least when JAWS appears. The newer KDE it may self correct better but you may well still see the effect for an instant even so.
The exploding desktop bug, or "JAWS", which...