Media controls (mpris) in Firefox 81 flatpak

Firefox 81 is here, and in the Flatpak too.

One of the features it brings is media controls (MPRIS). This lets you play/pause from the notification (with info), from media keys, and from headsets that support it.

I didn’t have it working by default, however…

I fired up the Flatseal app and added org.mpris.MediaPlayer2.firefox.* to “Session Bus” → “Owns” and now it works!

There’s a commit that does this for you at which should land in Firefox 82. Relevant Bugzilla issue is @

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Also noteworthy: future versions of Firefox should get even more media support, such as skipping, seeking, a thumbnail display, etc.: