Every once in a while I need to do a fresh installation (usually because of new hardware) and then I encounter this:
This is a long-known bug with countless Reddit/Forum/… posts with often the correct answer how to fix it.
So what I decided to do is to make a package that does that semi-automatically:
Basically the problem is: When there’s no “default” set in /usr/share/icons/, Plasma or KWin or whatever doesn’t always pick the selected cursor set (happens only under X11, not Wayland) and this package simply installs a default theme that contains no cursor files and merely inherits Breeze.
Here’s the source code if you want to make sure nothing nefarious is going on.