315119 2026-05-19 13:44:44 -0700 REGRESSION(313199@main?): [iOS]: 2 tests in TestWebKitAPI.WKAttachmentTestsIOS are flaky failures 2026-05-19 14:02:21 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 1 darbinyan webkit-unassigned webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 2212170 0 darbinyan 2026-05-19 13:44:44 -0700 Observing failing tests in API-Tests-iOS-Simulator-EWS test runs. Failed tests: TestWebKitAPI.WKAttachmentTestsIOS.InsertPastedFilesAsAttachments TestWebKitAPI.WKAttachmentTestsIOS.InsertPastedContactAsAttachment Error: 07:07:48.517 3617 TestWebKitAPI.WKAttachmentTestsIOS.InsertPastedFilesAsAttachments 07:07:48.517 3617 2026-05-19 06:35:04.992 com.apple.WebKit.GPU[34546:1015257] CoreText note: Client requested name ".SFUI-Regular_wdth_opsz110000_GRAD_wght", it will get TimesNewRomanPSMT rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[UIFont systemFontOfSize:]. 07:07:48.517 3617 2026-05-19 06:35:04.992 com.apple.WebKit.GPU[34546:1015257] CoreText note: Set a breakpoint on CTFontLogSystemFontNameRequest to debug. 07:07:48.517 3617 2026-05-19 06:35:05.172 TestWebKitAPI[34536:1015152] Encountered error: Error Domain=WKErrorDomain Code=4 "A JavaScript exception occurred" UserInfo={WKJavaScriptExceptionLineNumber=1, WKJavaScriptExceptionMessage=TypeError: null is not an object (evaluating 'document.querySelector('attachment[type^=application]').getAttribute'), WKJavaScriptExceptionColumnNumber=56, WKJavaScriptExceptionSourceURL=file:///Volumes/Data/worker/API-Tests-iOS-Simulator-EWS/build/WebKitBuild/Release-iphonesimulator/TestWebKitAPIResources.bundle/, NSLocalizedDescription=A JavaScript exception occurred} while evaluating script: document.querySelector('attachment[type^=application]').getAttribute('title') 07:07:48.517 3617 2026-05-19 06:35:05.173 TestWebKitAPI[34536:1015152] Expected data: <10820 bytes> but observed: <38 bytes> for <_WKAttachment 0x60000210fe80 id='09edcb2c-6663-46f1-ad78-aba9cdcc3833'> 07:07:48.517 3617 2026-05-19 06:35:05.173 TestWebKitAPI[34536:1015152] Observed error: (null) while reading data for <_WKAttachment 0x60000210fe80 id='09edcb2c-6663-46f1-ad78-aba9cdcc3833'> 07:07:48.517 3617 2026-05-19 06:35:05.173 TestWebKitAPI[34536:1015152] Expected data: <10 bytes> but observed: <38 bytes> for <_WKAttachment 0x60000210fe80 id='09edcb2c-6663-46f1-ad78-aba9cdcc3833'> 07:07:48.517 3617 2026-05-19 06:35:05.173 TestWebKitAPI[34536:1015152] Observed error: (null) while reading data for <_WKAttachment 0x60000210fe80 id='09edcb2c-6663-46f1-ad78-aba9cdcc3833'> 07:07:48.517 3617 07:07:48.517 3617 /Volumes/Data/worker/iOS-26-Simulator-Build-EWS/build/Tools/TestWebKitAPI/Tests/WebKit/WKWebView/WKAttachmentTests.mm:2642 07:07:48.517 3617 Expected equality of these values: 07:07:48.517 3617 2U 07:07:48.517 3617 Which is: 2 07:07:48.517 3617 observer.observer().inserted.count 07:07:48.517 3617 Which is: 1 Test history: https://results.webkit.org/?suite=api-tests&suite=api-tests&test=TestWebKitAPI.WKAttachmentTestsIOS.InsertPastedFilesAsAttachments&test=TestWebKitAPI.WKAttachmentTestsIOS.InsertPastedContactAsAttachment&platform=ios Test results: https://ews-build.webkit.org/#/builders/13/builds/137965 2212171 1 webkit-bug-importer 2026-05-19 13:45:10 -0700 <rdar://problem/177462776> 2212178 2 ews-feeder 2026-05-19 14:02:21 -0700 Test gardening commit 313518@main (4bbb48218481): <https://commits.webkit.org/313518@main> Reviewed commits have been landed. Closing PR #65213 and removing active labels.