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conformance · v146

v146 · stop-re-queueing-launchparams-on-reload — 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://wicg.github.io/manifest-incubations/index.html#execute-a-file-handler-launch chromestatus: #5986946868445184 generated 2026-06-01T08:00:00Z by conformance-author-v1-subagent
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id contract kind verdict detail
launchqueue-exists window.launchQueue is exposed (the queue whose reload-time behaviour the change targets). exists
launchqueue-setconsumer-function launchQueue.setConsumer is the API a PWA uses to receive launches; the new behaviour is observed through this consumer. typeof
navigation-type-reload-is-observable performance.getEntriesByType('navigation')[0].type lets script distinguish a reload from an original launch — needed to reason about LaunchParams re-queueing. script
reload-does-not-redeliver-launchparams When the document type is 'reload', the consumer must not be invoked with a fresh non-empty LaunchParams from the original launch — running synchronously after registration, the page sees no replayed targetURL. script
launchparams-targeturl-still-defined LaunchParams still exposes targetURL — the reload change is about delivery, not about removing the attribute. script
navigation-currententry-exposes-url navigation.currentEntry.url remains the canonical source of the current document URL after a reload that no longer re-queues LaunchParams. script