this doesn't seem to have anything to do with systemd, and it sounds like you're manually configuring the key, so it's not clear to me what the problem is. your manual configuration was removed after a kernel update, or something else?
** Changed in: systemd (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1908991 Title: Compose key doesn't work after a while To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1908991/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs