I'm able to reproduce this when I set `media.autoplay.enabled.user-gestures-needed` to `false`; if set to `true` (which is the default), unmuting does not pause the video.
I'm able to reproduce this when I set `media. autoplay. enabled. user-gestures- needed` to `false`; if set to `true` (which is the default), unmuting does not pause the video.