FYI, this is a known issue that is being discussed [1]. It has security implications.
[1] https://lists.ubuntu.com/archives/ubuntu- devel/2021-December/041769.html ** Tags added: rls-jj-incoming -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1955109 Title: boot menu not appearing after manual install of jellyfish daily build alongside other OS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1955109/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs