This is *not* a packagekit issue. There are flavours upgrading using packagekit, not everyone uses update-manager. It's either gnome-shell or gnome-session or something that should not be reacting to this.
** Package changed: packagekit (Ubuntu) => gnome-shell (Ubuntu) -- 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/1962346 Title: Ubuntu reboots instead of powering off if a software updates exists To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1962346/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs