Web authentication signal methods

[github-actions]

This GitHub issue is for collecting web developer signals for 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.

Browser support

• Chrome 132 (Jan 14, 2025)
• Chrome Android 132 (Jan 14, 2025)
• Edge 132 (Jan 17, 2025)
• Firefox: not supported
• Firefox for Android: not supported
• Safari 26 (Sep 15, 2025)
• Safari on iOS 26 (Sep 15, 2025)

Give us feedback

If you're pressed for time, but you want this feature to be available in all browsers, please give this issue a thumbs up 👍 reaction.

However, a much better guide for us is to know how you'd use this feature, and what you're having to do in the meantime. This helps us judge the priority versus other features.

Copy the template below in a comment, and add the details that matter to you.

## What I want to do with this feature

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## What I'm having to do in the meantime

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Are you having to use another feature instead, a polyfill, or is it blocking you completely?
Why are the alternatives worse than using this feature?
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Learn more

You can learn more about this feature here:

• web features explorer
• webstatus.dev
• Specification