Looks like upstream bug https://bugzilla.gnome.org/show_bug.cgi?id=693988 covers at least the part about "the volume control indicator controls the builtin audio, not the Bluetooth device". The part about forgetting the volume is not covered (I don't know whether that would be a feature request).
** Bug watch added: GNOME Bug Tracker #693988 https://bugzilla.gnome.org/show_bug.cgi?id=693988 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-bluetooth in Ubuntu. https://bugs.launchpad.net/bugs/1175731 Title: maximum volume when device connects, can't adjust unless I open sound settings To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-bluetooth/+bug/1175731/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs