← back to v148 · pwa-origin-migration
conformance · v148
v148 · pwa-origin-migration — 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.
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pass
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fail
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blocked
5
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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
manifest-link-supported |
<link rel='manifest'> remains the discovery path for the manifest including replacedBy migration fields. | script | … | |
service-worker-controller-readable |
PWA installation pivots on a service worker; navigator.serviceWorker is exposed. | exists | … | |
before-install-prompt-supported |
beforeinstallprompt is a registrable event name (used for install discovery). spec ↗ | script | … | |
manifest-id-member |
Manifest id member, which the migration mechanism uses to preserve identity across origins, is part of the spec. spec ↗ | script | … | |
navigator-app-installed |
navigator.getInstalledRelatedApps (related-apps API) remains the install introspection surface. | script | … |