In theory you're right. In practice, gnome-shell gives extensions free rein to do whatever they want, including painting over whatever they like. gnome-shell can't enforce anything.
It just sounds like a bug in the extensions so you need a newer version of the extension that properly supports gnome-shell 3.36. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1875038 Title: Lock screen not really functioning - Gnome Shell extensions visible and active even in lock screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1875038/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs