303857 2025-12-09 10:41:44 -0800 [GTK][WPE] Test imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html is flaky since it was added on 304083@main 2026-04-02 09:51:15 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=303540 P2 Normal --- 1 clopez webkit-unassigned csaavedra eri fred.wang oldest_to_newest 2164513 0 clopez 2025-12-09 10:41:44 -0800 The test imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html is flaky since it was added on 304083@main on platforms GTK and WPE. imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html [ Pass ImageOnlyFailure ] When it fails, the diff is the following: * WPE: https://build.webkit.org/results/WPE-Linux-64-bit-Release-Tests/304152@main%20(24192)/imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001-diffs.html * GTK: https://build.webkit.org/results/GTK-Linux-64-bit-Release-Tests/304151@main%20(22427)/imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001-diffs.html So its the same issue. It usually fails on the first run and when the runner retries the test it passes: See: https://s3-us-west-2.amazonaws.com/ews-archives.webkit.org/wpe-x86_64-release-layout-tests/b5310326-102471.txt [...] 12:29:55.299 705 [71567/78252] imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html failed unexpectedly (reference mismatch maxDifference=255; totalPixels=876) 12:29:55.299 705 worker/10 imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html failed: 12:29:55.299 705 worker/10 reference mismatch maxDifference=255; totalPixels=876 [...] 12:40:39.435 705 imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html passed 12:40:39.435 705 finished test group 2164580 1 clopez 2025-12-09 13:53:55 -0800 Test expectations updated on 304176@main 2165424 2 eri 2025-12-12 08:35:57 -0800 Is it still flaky after the [patch](https://github.com/WebKit/WebKit/commit/5d81af3f80a0583e2107f811905c7fc7c6392292) adding the namespace was merged? I can't reproduce it locally. 2196323 3 csaavedra 2026-04-02 09:51:15 -0700 Not flaky anymore.