https://raw.githubusercontent.com/jitsi/jitsi-meet/jitsi-meet_5076/config.js jirecon removed: https://github.com/jitsi/jitsi-meet/commit/dedd3f4 enableFirefoxSimulcast removed: https://github.com/jitsi/jitsi-meet/commit/d632b6e focusUserJid should not be changed: https://github.com/jitsi/jitsi-meet/issues/7376