WPT
wpt / serial / serial-allowed-by-permissions-policy-attribute.https.sub.html
Spec: Web Serial API ↗
Runs: Chrome 155.0.8038.0 (wpt@397d01d8e, 2026-09-02) | Firefox 157.0a1 (wpt@397d01d8e, 2026-09-02) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-5f6fa (wpt@b1a7025f8, 2026-09-02) | Servo Servo 0.5 (wpt@2ccd2cbf8, 2026-09-01) | Blitz 7727414ca (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 | 5/5 | 5/5 | 0/5 | 0/5 | 0/5 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Permissions policy "serial" can be enabled in same-origin iframe using allow="serial" attribute | PASS | PASS | TIMEOUT | FAIL | FAIL | — |
| Permissions policy "serial" can be enabled in a worker in same-origin iframe using allow="serial" attribute | PASS | PASS | TIMEOUT | FAIL | FAIL | — |
| Permissions policy "serial" can be enabled in cross-origin iframe using allow="serial" attribute | PASS | PASS | TIMEOUT | FAIL | FAIL | — |
| Permissions policy "serial" can be enabled in a worker in cross-origin iframe using allow="serial" attribute | PASS | PASS | TIMEOUT | FAIL | FAIL | — |
| Inherited header permissions policy allows dedicated workers. | PASS | PASS | FAIL | FAIL | FAIL | — |