
Upgrading to mate-settings-daemon-1.1.1, we readded support to gstreamer (instead of pulseaudio) for media (volume) keys. So, now MATE dont requires PulseAudio.
Now there are two packages that provides mate-settings-daemon:
mate-settings-daemon-gstreamer(default): uses gstreamer to provides media keys.mate-settings-daemon-pulse: uses pulseaudio to provides media keys.


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