243409 2022-08-01 09:55:32 -0700 REGRESSION(249632@main): wpt /service-workers/service-worker/claim-worker-fetch.https.html 2022-08-11 12:13:33 -0700 1 1 1 Unclassified WebKit Service Workers WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=239066 https://www.w3.org/TR/service-workers/#control-and-use-worker-client InRadar P2 Normal --- 1 gsnedders cdumez cdumez webkit-bug-importer youennf oldest_to_newest 1888094 0 gsnedders 2022-08-01 09:55:32 -0700 See https://wpt.fyi/results/service-workers/service-worker/claim-worker-fetch.https.html?label=master&product=safari-15.6%20%2817613.3.9.1.5%29%5Bstable%5D&product=safari%5Bexperimental%5D&aligned&view=subtest 1888095 1 webkit-bug-importer 2022-08-01 09:55:45 -0700 <rdar://problem/97919820> 1888096 2 gsnedders 2022-08-01 09:56:22 -0700 Specifically, given I forgot what I was gonna write in the description, the `fetch() in blob URL Worker should be intercepted after the client is claimed.` subtest has regressed. 1890037 3 cdumez 2022-08-09 11:47:30 -0700 I think the issue is that in SWServer::claim(), doRegistrationMatching() returns false for the blob URL worker client since we call doRegistrationMatching() with clientData.url which is a Blob URL. 1890040 4 cdumez 2022-08-09 11:50:45 -0700 Relevant spec text: https://www.w3.org/TR/service-workers/#control-and-use-worker-client 1890060 5 cdumez 2022-08-09 12:27:12 -0700 Spec doesn't actually deal properly with a service worker claiming a client worker that is a Blob URL but there is a spec bug about it: - https://github.com/w3c/ServiceWorker/issues/1554 1890075 6 cdumez 2022-08-09 13:15:45 -0700 Pull request: https://github.com/WebKit/WebKit/pull/3164 1890652 7 ews-feeder 2022-08-11 12:13:27 -0700 Committed 253345@main (497df5ae79f3): <https://commits.webkit.org/253345@main> Reviewed commits have been landed. Closing PR #3164 and removing active labels.