As noted
elsewhere in the forum, WebRTC was working for me using Firefox 68 on Debian with the custom kernel compiled for a 4k page size.
I recently updated to Firefox 78 (provided as a security update on Debian) and this included a regression, the WebRTC incoming picture is not displayed any more. Incoming audio is fine and outgoing picture is fine.
Do people see similar problems on other operating systems and/or Firefox versions?
It is in the
Mozilla bug tracker, please add any comments there as that is what the Mozilla developers will look at.