After having read one of Carlos' comments in the upstream issue, I switched to a German XKB layout and was then able to type ΓΌ via the screen keyboard.
-- 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/1761554 Title: [bionic] Extended characters in GNOME screen keyboard don't get entered To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1761554/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs