WPT
wpt / webrtc / RTCPeerConnection-setRemoteDescription-replaceTrack.https.html
Spec: WebRTC ↗
Runs: Chrome 155.0.8038.0 (wpt@7addae031, 2026-09-02) | Firefox 157.0a1 (wpt@7addae031, 2026-09-02) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7884 (wpt@b1a7025f8, 2026-09-02) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 6/6 | 6/6 | 6/6 | 0/6 | 0/6 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| replaceTrack() sets the track attribute to a new track. | PASS | PASS | PASS | FAIL | FAIL | — |
| replaceTrack() sets the track attribute to null. | PASS | PASS | PASS | FAIL | FAIL | — |
| replaceTrack() does not set the track synchronously. | PASS | PASS | PASS | FAIL | FAIL | — |
| replaceTrack() rejects when the peer connection is closed. | PASS | PASS | PASS | FAIL | FAIL | — |
| replaceTrack() does not reject when invoked after removeTrack(). | PASS | PASS | PASS | FAIL | FAIL | — |
| replaceTrack() does not reject after a subsequent removeTrack(). | PASS | PASS | PASS | FAIL | FAIL | — |