Limited Availability WebAuthn

Web authentication signal methods

The signalUnknownCredential(), signalAllAcceptedCredentials(), and signalCurrentUserDetails() methods of PublicKeyCredential inform authenticators of the state of public key credentials, so that incorrect or revoked credentials may be updated, removed, or hidden.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Sep 15, 2025.

Desktop Browser Engine Support

Google Chrome

132

Supported

Mozilla Firefox

—

Unsupported

Apple Safari

26

Supported

Microsoft Edge

132

Supported

Mobile Browser Engine Support

Chrome Android

132

Firefox Android

—

Safari iOS

26

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.PublicKeyCredential.signalAllAcceptedCredentials_static ↗ api.PublicKeyCredential.signalCurrentUserDetails_static ↗ api.PublicKeyCredential.signalUnknownCredential_static ↗