I got a helpfull hint. I had to install Gnome tweak and Activate Extension for Gnome shell.
I would propose to add a prompt. If I try to activate a gnome-shell extension but the use of the extension is deactivated request to activate it. -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1246677 Title: gnome shell extensions disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1246677/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
