No, not a duplicate - bug 1671424 is about *not* signalling the processes, but just closing the windows.
This bug is about quitting the whole app at once (not all its windows in sequence) or force-quitting it for whatever reason (say, misbehaving app).
With Unity8, an app is more than just the Mir client - it's the whole group of processes managed through UAL/systemd.
No, not a duplicate - bug 1671424 is about *not* signalling the processes, but just closing the windows.
This bug is about quitting the whole app at once (not all its windows in sequence) or force-quitting it for whatever reason (say, misbehaving app).
With Unity8, an app is more than just the Mir client - it's the whole group of processes managed through UAL/systemd.