imported/w3c/web-platform-tests/css/cssom-view/scrollIntoView-sideways-rl-writing-mode.html imported/w3c/web-platform-tests/css/cssom-view/scrollIntoView-sideways-rl-writing-mode-and-rtl-direction.html These tests are constant failures on iOS 16. HISTORY: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcssom-view%2FscrollIntoView-sideways-rl-writing-mode.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcssom-view%2FscrollIntoView-sideways-rl-writing-mode-and-rtl-direction.html TEXT DIFF (both equivalent): -PASS scrollIntoView({"block":"start","inline":"start"}) -PASS scrollIntoView({"block":"start","inline":"center"}) -PASS scrollIntoView({"block":"start","inline":"end"}) -PASS scrollIntoView({"block":"center","inline":"start"}) -PASS scrollIntoView({"block":"center","inline":"center"}) -PASS scrollIntoView({"block":"center","inline":"end"}) -PASS scrollIntoView({"block":"end","inline":"start"}) -PASS scrollIntoView({"block":"end","inline":"center"}) -PASS scrollIntoView({"block":"end","inline":"end"}) +FAIL scrollIntoView({"block":"start","inline":"start"}) assert_approx_equals: scrollX expected -200 +/- 0.5 but got -185 +FAIL scrollIntoView({"block":"start","inline":"center"}) assert_approx_equals: scrollX expected -200 +/- 0.5 but got -185 +FAIL scrollIntoView({"block":"start","inline":"end"}) assert_approx_equals: scrollX expected -200 +/- 0.5 but got -185 +FAIL scrollIntoView({"block":"center","inline":"start"}) assert_approx_equals: scrollX expected -157.5 +/- 0.5 but got -143 +FAIL scrollIntoView({"block":"center","inline":"center"}) assert_approx_equals: scrollX expected -157.5 +/- 0.5 but got -143 +FAIL scrollIntoView({"block":"center","inline":"end"}) assert_approx_equals: scrollX expected -157.5 +/- 0.5 but got -143 +FAIL scrollIntoView({"block":"end","inline":"start"}) assert_approx_equals: scrollX expected -115 +/- 0.5 but got -100 +FAIL scrollIntoView({"block":"end","inline":"center"}) assert_approx_equals: scrollX expected -115 +/- 0.5 but got -100 +FAIL scrollIntoView({"block":"end","inline":"end"}) assert_approx_equals: scrollX expected -115 +/- 0.5 but got -100 DIFF URL (both equivalent): https://build.webkit.org/results/Apple-iOS-16-Simulator-Release-GPUProcess-WK2-Tests/266776@main%20(2149)/imported/w3c/web-platform-tests/css/cssom-view/scrollIntoView-sideways-rl-writing-mode-and-rtl-direction-pretty-diff.html REPRODUCIBILITY: I was able to reproduce this bug on the iOS 16 Simulator ToT running the test as follows: run-webkit-tests --clobber-old-results --ios-simulator --iterations 5 --verbose imported/w3c/web-platform-tests/css/cssom-view/scrollIntoView-sideways-rl-writing-mode-and-rtl-direction.html imported/w3c/web-platform-tests/css/cssom-view/scrollIntoView-sideways-rl-writing-mode.html REGRESSION: I was able to bisect a regression point using the flakiness dashboard. This test reproduced at 266775@main, but it did not reproduce at 266774@main. Changes at 266775@main appear to be directly related to this error, and is likely what caused the failure.