It seems that lof of things have changed in this area in the last release. Do you still have this bug ?
** Changed in: control-center gnome-control-center (Ubuntu) Status: Unconfirmed => Needs Info -- Mute Button Shortcut sometimes doesn't restore sound when "unmuted" https://launchpad.net/malone/bugs/12693 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs