Contact emails
natiah...@google.com, a...@google.com

Explainer
None


Specification
https://w3c.github.io/webauthn/#sctn-getClientCapabilities


Summary

getClientCapabilities() method allows to determine which WebAuthn features are 
supported by the user's client. The method returns a list of supported 
capabilities, allowing developers to tailor authentication experiences and 
workflows based on the client's specific functionality.



Blink component
Blink>WebAuthentication


Motivation

Different clients and authenticators offer varying levels of support for 
WebAuthn features. This disparity can lead to a fragmented user experience, 
where some users might encounter errors or be unable to utilize certain 
authentication options. Providing a way for developers to determine client 
capabilities enables them to create more robust authentication flows that adapt 
to these variations.



Initial public proposal
None


TAG review
None


TAG review status
Not applicable


Risks




Interoperability and Compatibility

None


Gecko: No signal

WebKit: Shipped/Shipping 
(https://developer.apple.com/documentation/safari-release-notes/safari-17_4-release-notes#WebAuthn)

Web developers: No signals

Other signals:


WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that it 
has potentially high risk for Android WebView-based applications?

None




Debuggability

None



Is this feature fully tested by web-platform-tests?
No


Flag name on chrome://flags
None


Finch feature name
None


Non-finch justification
None


Requires code in //chrome?
False


Tracking bug
https://g-issues.chromium.org/issues/360327828


Estimated milestones

No milestones specified



Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5128205875544064?gate=5191590130483200


This intent message was generated by Chrome Platform Status.

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