Oliver and anyone else affected:
Please try installing this .deb file and report to see if it fixes your issue:
https://code.launchpad.net/~ubuntustudio-dev/+archive/ubuntu/autobuild/+build/19228925/+files/ubuntustudio-controls_1.12.4+git-0~202004281855~ubuntu20.04.1_all.deb
Oliver and anyone else affected:
Please try installing this .deb file and report to see if it fixes your issue:
https:/ /code.launchpad .net/~ubuntustu dio-dev/ +archive/ ubuntu/ autobuild/ +build/ 19228925/ +files/ ubuntustudio- controls_ 1.12.4+ git-0~202004281 855~ubuntu20. 04.1_all. deb