WPT
wpt / webusb / usb-allowed-by-permissions-policy-attribute.https.sub.html
Spec: WebUSB API ↗
Runs: Chrome 155.0.8039.0 (wpt@6ec9fd59f, 2026-09-03) | Firefox 157.0a1 (wpt@6ec9fd59f, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-795e1 (wpt@7e3d005d7, 2026-09-03) | 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 | 5/5 | 0/5 | 0/5 | 0/5 | 0/5 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Permissions policy "usb" can be enabled in same-origin iframe using allow="usb" attribute | PASS | FAIL | FAIL | FAIL | FAIL | — |
| Permissions policy "usb" can be enabled in a worker in same-origin iframe using allow="usb" attribute | PASS | TIMEOUT | TIMEOUT | TIMEOUT | FAIL | — |
| Permissions policy "usb" can be enabled in cross-origin iframe using allow="usb" attribute | PASS | FAIL | FAIL | FAIL | FAIL | — |
| Permissions policy "usb" can be enabled in a worker in cross-origin iframe using allow="usb" attribute | PASS | TIMEOUT | TIMEOUT | TIMEOUT | FAIL | — |
| Inherited header permissions policy allows dedicated workers. | PASS | FAIL | FAIL | FAIL | FAIL | — |