Bug 307390

Summary: REGRESSION(307039@main): [IOS] scrollingcoordinator/ios/ui-scroll-fixed.html is constant image diff
Product: WebKit Reporter: Diego De La Toba <d_delatoba>
Component: New BugsAssignee: Simon Fraser (smfr) <simon.fraser>
Status: NEW    
Severity: Normal CC: webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
image diff none

Diego De La Toba
Reported 2026-02-09 17:08:25 PST
scrollingcoordinator/ios/ui-scroll-fixed.html is constant image diff HISTORY: https://results.webkit.org/?suite=layout-tests&test=scrollingcoordinator%2Fios%2Fui-scroll-fixed.html IMAGE DIFF: https://build.webkit.org/results/Apple-iOS-26-Simulator-Release-WK2-Tests/307099@main%20(1658)/scrollingcoordinator/ios/ui-scroll-fixed-diffs.html IMAGES: See attached. REPRODUCTION: I was able to reproduce the failure with the following on iOS 26.2 iPhone 12: rwt --ios-simulator --force --child-processes=1 --no-retry --iterations 10 scrollingcoordinator/ios/ui-scroll-fixed.html I am going to mark expectations as ImageOnlyFailure Pass while this pends investigation.
Attachments
image diff (5.84 KB, application/zip)
2026-02-09 17:08 PST, Diego De La Toba 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2026-02-09 17:08:31 PST
<rdar://problem/170013976>
Diego De La Toba
Comment 2 2026-02-09 17:08:40 PST
Created attachment 478297 [details] image diff
Diego De La Toba
Comment 3 2026-02-09 17:21:46 PST
Pull request: https://github.com/WebKit/WebKit/pull/58261
EWS
Comment 4 2026-02-10 09:35:48 PST
Test gardening commit 307183@main (843c41b8f31a): <https://commits.webkit.org/307183@main> Reviewed commits have been landed. Closing PR #58261 and removing active labels.
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