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conformance · v143

v143 · fedcm-support-structured-json-responses-from-idps — conformance probe

6 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://github.com/w3c-fedid/FedCM/pull/771 chromestatus: #5153509557272576 generated 2026-06-01T10:35:00Z by conformance-author-v1-subagent
0
pass
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fail
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blocked
6
total
id contract kind verdict detail
identity-credential-exposed IdentityCredential interface is exposed. spec ↗ exists
identity-credential-token-attr IdentityCredential.prototype exposes a token accessor that now carries either a string or structured value. spec ↗ script
credentials-get-returns-promise navigator.credentials.get returns a Promise even when the IdP returns structured JSON. spec ↗ script
json-parse-available JSON.parse is available so the RP can normalise structured JSON tokens. spec ↗ typeof
identity-credential-inherits-credential IdentityCredential extends Credential so it carries id and type. spec ↗ script
fetch-supports-credentials-include fetch with credentials:'include' is constructible so the id_assertion_endpoint can be exercised manually. spec ↗ script