WPT
wpt / webtransport / streams-echo.https.any.serviceworker.html
Spec: WebTransport ↗
Runs: Chrome 155.0.8039.0 (wpt@0ea9f2aac, 2026-09-03) | Firefox 157.0a1 (wpt@0ea9f2aac, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a9df8 (wpt@9b4cabf6d, 2026-09-03) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | 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 | 8/10 | 10/10 | 0/10 | 0/10 | 0/10 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| WebTransport client should be able to create and handle a bidirectional stream | PASS | PASS | FAIL | — | — | — |
| WebTransport client should be able to create and handle a bidirectional stream without waiting for ready | FAIL | PASS | FAIL | — | — | — |
| WebTransport server should be able to accept and handle a bidirectional stream | PASS | PASS | FAIL | — | — | — |
| WebTransport client should be able to create, accept, and handle a unidirectional stream | PASS | PASS | FAIL | — | — | — |
| WebTransport client should be able to create, accept, and handle a unidirectional stream without waiting for ready | FAIL | PASS | FAIL | — | — | — |
| Can read data from a bidirectional stream with BYOB reader | PASS | PASS | FAIL | — | — | — |
| Can read data from a unidirectional stream with BYOB reader | PASS | PASS | FAIL | — | — | — |
| Transfer large chunks of data on a bidirectional stream | PASS | PASS | FAIL | — | — | — |
| Transfer large chunks of data on a unidirectional stream | PASS | PASS | FAIL | — | — | — |
| Closing the stream with no data still resolves the read request | PASS | PASS | FAIL | — | — | — |