Though this is a viable concern in the greeter, as Chris suggested, Lubuntu has been using SDDM for a while. There's no plans of adding new features, including this one, in the 18.04 LTS for Lubuntu. Sorry.
** Changed in: lubuntu-meta (Ubuntu) Status: Incomplete => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1507344 Title: Add volume control support to lightdm-gtk-greeter To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm-gtk-greeter/+bug/1507344/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs