Hi,

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Hi, a couple of comments regarding the issue you described.

First, there's an extension that resolves it, called Video Background Play Fix.

Second, it appears that the issue (behavior?) is caused by Google's change, since they want to keep background playback exclusive to Premium subscribers. Brave has just shipped an intervention to work around this change (probably something similar to what the mentioned extension does).

While it's not a Firefox bug, it may indeed be useful to do the same as Brave does. A bug has been filed to track the related work. That said, I don't have any timeline to share at the moment (but you can use the extension meanwhile!)