314560 2026-05-11 09:56:08 -0700 [macOS iOS] http/tests/site-isolation/compositing/iframes/resize-from-zero-size.html is a flaky text failure 2026-05-12 15:07:30 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 d_delatoba d_delatoba heycam webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 2209751 0 d_delatoba 2026-05-11 09:56:08 -0700 http/tests/site-isolation/compositing/iframes/resize-from-zero-size.html is a flaky text failure on macOS and iOS. HISTORY: https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fsite-isolation%2Fcompositing%2Fiframes%2Fresize-from-zero-size.html DIFF: --- /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/http/tests/site-isolation/compositing/iframes/resize-from-zero-size-expected.txt +++ /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/http/tests/site-isolation/compositing/iframes/resize-from-zero-size-actual.txt @@ -14,20 +14,19 @@ (drawsContent 1) (children 1 (GraphicsLayer - (children 1 + (children 4 (GraphicsLayer (anchor 0.00 0.00) - (bounds 400.00 300.00) (children 1 (GraphicsLayer (anchor 0.00 0.00) (children 1 (GraphicsLayer (anchor 0.00 0.00) - (bounds 400.00 300.00) + (bounds 228.00 230.00) (children 1 (GraphicsLayer - (bounds 400.00 300.00) + (bounds 228.00 230.00) (drawsContent 1) (children 1 (GraphicsLayer @@ -43,6 +42,21 @@ ) ) ) + (GraphicsLayer + (position 0.00 -15.00) + (bounds -15.00 15.00) + (drawsContent 1) + ) + (GraphicsLayer + (position -15.00 0.00) + (bounds 15.00 -15.00) + (drawsContent 1) + ) + (GraphicsLayer + (position -15.00 -15.00) + (bounds 15.00 15.00) + (drawsContent 1) + ) ) ) ) DIFF URL: https://build.webkit.org/results/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/313006@main%20(3799)/http/tests/site-isolation/compositing/iframes/resize-from-zero-size-pretty-diff.html REPRODUCTION: I was able to reproduce this on macOS 26.4 release ToT with the following: rubn-webkit-tests --release --force --no-retry -f --iterations 17 http/tests/site-isolation/compositing/iframes/resize-from-zero-size.html I am going to mark expectations as pass fail while this pends investigation. 2209752 1 webkit-bug-importer 2026-05-11 09:56:17 -0700 <rdar://problem/176799946> 2209753 2 d_delatoba 2026-05-11 09:57:51 -0700 Looks like a de-flake was attempted at 312742@main. 2209758 3 d_delatoba 2026-05-11 10:08:34 -0700 Test gardening pull request: https://github.com/WebKit/WebKit/pull/64684 2209761 4 ews-feeder 2026-05-11 10:14:21 -0700 Test gardening commit 313014@main (e6f70e39a994): <https://commits.webkit.org/313014@main> Reviewed commits have been landed. Closing PR #64684 and removing active labels. 2209767 5 d_delatoba 2026-05-11 10:31:57 -0700 Pull request: https://github.com/WebKit/WebKit/pull/64686 2210277 6 ews-feeder 2026-05-12 15:07:28 -0700 Committed 313110@main (0fd177fb1b30): <https://commits.webkit.org/313110@main> Reviewed commits have been landed. Closing PR #64686 and removing active labels.