NEW 180494
Web app manifests can't be loaded from the cache 
https://bugs.webkit.org/show_bug.cgi?id=180494
Summary Web app manifests can't be loaded from the cache
David Quesada
Reported 2017-12-06 12:27:44 PST
While debugging the fetching of web app manifests, I noticed that manifests don't seem to get loaded from the cache where expected, due to an encoding-related mismatch between additional requests and the cached resource. After fixing that, using a cached manifest crashes due to ApplicationManifestLoader::startLoading() reporting a finished load synchronously before DocumentLoader::loadApplicationManifest() returns its callback ID to the caller. This confuses WebPage, which receives notification about a loaded manifest with an unrecognized callback ID.
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Radar WebKit Bug Importer
Comment 1 2017-12-07 15:59:47 PST
<rdar://problem/35922108>
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