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conformance · v144

v144 · deprecate-and-remove-related-website-sets-rws — conformance probe

3 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://wicg.github.io/first-party-sets chromestatus: #5194473869017088 generated 2026-06-01T08:03:56Z by conformance-author-v1-subagent
0
pass
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fail
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blocked
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id contract kind verdict detail
requestStorageAccessFor-removed-rws Related Website Sets exposed requestStorageAccessFor; with RWS removed, the method is gone. spec ↗ script
well-known-not-honored Browser no longer fetches /.well-known/related-website-set.json to extend cookie access. The Storage Access API still functions only on the same site. spec ↗ script
no-window-rws-introspection There is no script-visible introspection for an RWS membership (the API was never exposed beyond cookie behavior). spec ↗ script