Hi

Thank you for letting us know - I have been able to replicate this issue. I have filed a bug with our developers, please feel free to follow it for progress with this issue:

https://bugzilla.mozilla.org/show_bug.cgi?id=1866590

Hi paul

Thanks for ur reply, I already read the discussion regarding this issue

To give u more information, It's happen when I play video on any website, not only youtube All of it, video stop, only sound, if I muted it, video plays

My device is xiaomi 12T BTW Newest Firefoxon android 120.0

Okay, thank you. I recommend that you follow the link I included previously for progress on this issue.