This seems to be a bug in menu and not any particular window manager. It is fixed in latest Debian sid. Ubuntu was just unlucky enough to import new packages when this bug existed.
-- Blackbox renders Debian submenu as whole menu https://bugs.launchpad.net/bugs/122700 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs