WPT
wpt / webusb / usb-disabled-by-permissions-policy.https.sub.html
Spec: WebUSB API ↗
Runs: Chrome 155.0.8040.0 (wpt@476394464, 2026-09-03) | Firefox 157.0a1 (wpt@476394464, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7825 (wpt@a1e944e7a, 2026-09-03) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 7/7 | 2/7 | 2/7 | 2/7 | 2/7 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Permissions-Policy header usb=() disallows getDevices in the top-level document. | PASS | FAIL | FAIL | FAIL | FAIL | — |
| Permissions-Policy header usb=() disallows requestDevice in the top-level document. | PASS | FAIL | FAIL | FAIL | FAIL | — |
| Permissions-Policy header usb=() disallows same-origin iframes. | PASS | PASS | PASS | PASS | PASS | — |
| Permissions-Policy header usb=() disallows workers in same-origin iframes. | PASS | TIMEOUT | TIMEOUT | TIMEOUT | TIMEOUT | — |
| Permissions-Policy header usb=() disallows cross-origin iframes. | PASS | PASS | PASS | PASS | PASS | — |
| Permissions-Policy header usb=() disallows workers in cross-origin iframes. | PASS | TIMEOUT | TIMEOUT | TIMEOUT | TIMEOUT | — |
| Inherited Permissions-Policy header usb=() disallows dedicated workers. | PASS | FAIL | FAIL | FAIL | FAIL | — |