The problem is caused by /usr/share/mate/applications/firefox.desktop It contains this line: NoDisplay=true
By removing that file, the menu appears again. Reassigning to the correct package `ubuntu-mate-default-settings` that ships it. ** Also affects: ubuntu-mate-settings (Ubuntu) Importance: Undecided Status: New ** No longer affects: mate-panel (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1967736 Title: Firefox.deb menu blacklisted in 22.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-mate-settings/+bug/1967736/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs