I just made a reboot because I have got some upgrades and need to reboot.
After reboot, Ubuntu 20.04 the fonts of the top bar and filenames on the desktop are very big. Even the symbols for network and other things are big, so it may bee a scaling problem. Can't find anything in Settings or Tweaks (that I installed after the problem) that may explain this issue.
My desktop after upgrade and reboot:
