225484 2021-05-06 14:40:17 -0700 [ macOS ] imported/w3c/web-platform-tests/css/css-animations/translation-animation-subpixel-offset.html (layout-test) is a flakey ImageOnly failure 2021-05-06 16:23:36 -0700 1 1 1 Unclassified WebKit CSS WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 1 jenner webkit-unassigned graouts ntim webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1757655 0 jenner 2021-05-06 14:40:17 -0700 imported/w3c/web-platform-tests/css/css-animations/translation-animation-subpixel-offset.html is a flaky Image failure in macOS Catalina and up. HISTORY: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-animations%2Ftranslation-animation-subpixel-offset.html DIFF Link: https://build.webkit.org/results/Apple-Catalina-Debug-WK1-Tests/r277102%20(1857)/imported/w3c/web-platform-tests/css/css-animations/translation-animation-subpixel-offset-diffs.html Image Diffs attached below. 1757659 1 427938 jenner 2021-05-06 14:41:22 -0700 Created attachment 427938 Image diffs from failing test Attaching image diffs to bug. 1757689 2 jenner 2021-05-06 16:08:06 -0700 I was able to reproduce the image failure at BigSur Debug ToT using the following test: run-webkit-tests imported/w3c/web-platform-tests/css/css-animations/translation-animation-subpixel-offset.html --debug --iterations 10000 --child-process=3 This test was recently imported, and has been a flaky failure ever since. The test was imported here: https://trac.webkit.org/changeset/277053/webkit 1757696 3 jenner 2021-05-06 16:16:37 -0700 I have updated the test expectations to flaky (Pass ImageOnlyFailure) here while test is reviewed: https://trac.webkit.org/changeset/277136/webkit 1757697 4 webkit-bug-importer 2021-05-06 16:17:09 -0700 <rdar://problem/77630221> 427938 2021-05-06 14:41:22 -0700 2021-05-06 14:41:22 -0700 Image diffs from failing test Bug225484- translation-animation Image Diffs.zip application/zip 5287 jenner UEsDBBQAAAAAAA91plIAAAAAAAAAAAAAAAAtACAAQnVnMjI1NDg0LSB0cmFuc2xhdGlvbi1hbmlt YXRpb24gSW1hZ2UgRGlmZnMvVVQNAAdOYpRgTmKUYGtilGB1eAsAAQT1AQAABBQAAABQSwMEFAAI AAgA+HSmUgAAAAAAAAAAIQkAAFsAIABCdWcyMjU0ODQtIHRyYW5zbGF0aW9uLWFuaW1hdGlvbiBJ bWFnZSBEaWZmcy90cmFuc2xhdGlvbi1hbmltYXRpb24tc3VicGl4ZWwtb2Zmc2V0LWRpZmYucG5n VVQNAAclYpRgT2KUYE5ilGB1eAsAAQT1AQAABBQAAADrDPBz5+WS4mJgYOD19HAJYmBgVmBgYIrg AAow7Je9uwZIWaRGeKb5+jJoAdkcDIztmQwsQBYjEEuBVDEwLWCCiTArLGCGsZkiQJIPF01fB9S2 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