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conformance · v148

v148 · web-authentication-immediate-ui-mode — conformance probe

5 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://w3c.github.io/webauthn/ chromestatus: #5164322780872704 generated 2026-06-01T08:14:38Z by conformance-author-v1-subagent
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pass
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fail
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id contract kind verdict detail
public-key-credential-exists PublicKeyCredential remains the WebAuthn entry point. exists
credentials-get-is-function navigator.credentials.get is the entry the immediate UI mode is added to. script
credentials-get-mediation-options navigator.credentials.get accepts a mediation option (the dictionary the new 'immediate' value lives on). spec ↗ script
immediate-rejects-not-allowed An immediate-mode get() must reject with NotAllowedError when no eligible credential is known. script
credentials-conditional-mediation-still-works Existing 'conditional' mediation continues to work alongside the new 'immediate'. script