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conformance · v135

v135 · notrestoredreasons-api-reason-name-change — 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://html.spec.whatwg.org/multipage/nav-history-apis.html#performancenavigationtiming chromestatus: #6444139556896768 generated 2026-06-01T09:40:00Z by conformance-author-v1-subagent
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pass
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fail
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blocked
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id contract kind verdict detail
navigation-timing-entry-exists PerformanceNavigationTiming is exposed — the host of notRestoredReasons. spec ↗ exists
notrestoredreasons-property-on-prototype PerformanceNavigationTiming.prototype.notRestoredReasons is exposed. spec ↗ script
notrestoredreasons-shape-has-reasons-array When present, the notRestoredReasons object exposes a reasons array (the renamed-from 'name' field). spec ↗ script
reason-entry-has-reason-field Each reasons[i] exposes a 'reason' string (the renamed field) — verified via shape, not value. spec ↗ script
children-array-still-exists The children array is still part of the notRestoredReasons tree (the iframe sub-reasons). spec ↗ script