On Linux at least, it simply does not work on Firefox. Something with webrtc, but I can't get video to work. Basically, it's a known issue [0] and the response

On Linux at least, it simply does not work on Firefox. Something with webrtc, but I can't get video to work. Basically, it's a known issue [0] and the response is that maybe it'll get fixed eventually :( [0] https://community.jitsi.org/t/browser-support-warning-when-using-the-latest-firefox-71-0-version-on-meet-jit-si/21180 https://community.jitsi.org/t/browser-support-warning-when-u... EDIT: It seems firefox-stable works OK.