It's correct that Settings does not allow you to assign two modifier keys only as shortcut. But you can install gnome-tweaks, open Tweaks, and set <Alt>+<Shift> that way.
Or do you mean anything else? ** Changed in: gnome-control-center (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1871359 Title: Ubuntu Cant switch languages- shortcut alt+shift doesnt work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1871359/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs