Firefox can't connect to room after upgrading from 2.18.0 to 2.18.1

[thepacketloss]

Describe the bug

Firefox can't connect to room after upgrading from 2.18.0 to 2.18.1
also tested with 2.18.6
but Chrome connects to room with these versions
server version is 1.10.1

Reproduction

this.room = new Room({
  singlePeerConnection: true,
  audioCaptureDefaults: {
    channelCount: MIC_FORCE_STEREO ? 2 : 1,
    sampleRate: MIC_SAMPLE_RATE,
    autoGainControl: MIC_AUTO_GAIN_CONTROL,
    echoCancellation: MIC_ECHO_CANCELLATION,
    noiseSuppression: MIC_NOISE_SUPPRESSION,
    voiceIsolation: true,
  },
  dynacast: DYNA_CAST,
  adaptiveStream: false,
  disconnectOnPageLeave: false,
  stopLocalTrackOnUnpublish: false,
  publishDefaults: {
    backupCodec: BACKUP_CODEC,
    backupCodecPolicy: BACKUP_CODEC_POLICY,
    degradationPreference: 'maintain-resolution',
    videoCodec: VP8,
    red: false,
    simulcast: SIMULCAST,
    audioPreset: MIC_MAX_BITRATE,
    forceStereo: MIC_FORCE_STEREO,
    videoEncoding: {
      maxFramerate: CAMERA_FRAMERATE || undefined
    },
    screenShareEncoding: {
      maxFramerate: SCREEN_SHARE_FRAMERATE || undefined,
      priority: 'high'
    }
  },
})

Logs

System Info

Binaries:
    Node: 25.6.1 - /usr/bin/node
    Yarn: 1.22.22 - /usr/bin/yarn
    npm: 11.10.0 - /usr/bin/npm
    pnpm: 10.28.1 - /home/masoud/.local/share/pnpm/pnpm
    bun: 1.1.21 - /home/masoud/.bun/bin/bun
  Browsers:
    Chromium: 142.0.7444.175
    Firefox: 147.0.3
    Firefox Developer Edition: 147.0.3
  npmPackages:
    livekit-client: v2.18.0 => 2.18.0

Severity

blocking an upgrade

Additional Information

No response

[cnderrauber]

Firefox can't connect to room after upgrading from 2.18.0 to 2.18.1
also tested with 2.18.6

Does v2.18.6 work for firefox in your case?

It would be helpful to debug the issue if there is server/client debug log of the problemtic session.

[thepacketloss]

@cnderrauber No, v2.18.6 also didn't work.

here is the logs for both client and server :

client.txt

server.txt