Super-D does work correctly in Ubuntu 20.04 at least. I just tested it. As for Ubuntu 19.10, that is about to reach end of life:
https://wiki.ubuntu.com/Releases so any bugs in 19.10 won't get fixed. Please install Ubuntu 20.04 instead. ** Package changed: xorg (Ubuntu) => gnome-shell (Ubuntu) ** Changed in: gnome-shell (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1887287 Title: No show-desktop shortcut out of the box since 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1887287/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs