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conformance · v144

v144 · viewtransitions-waituntil-method — conformance probe

4 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://drafts.csswg.org/css-view-transitions-2/#dom-viewtransition-waituntil chromestatus: #4812903832223744 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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total
id contract kind verdict detail
viewtransition-exists ViewTransition interface is exposed. spec ↗ exists
viewtransition-waitUntil-on-prototype ViewTransition.prototype.waitUntil exists. spec ↗ script
startViewTransition-on-document document.startViewTransition is a function. spec ↗ typeof
waitUntil-returns-undefined Calling waitUntil with a promise returns undefined (extends animation lifetime). spec ↗ script