The test fast/selectors/querySelector-window-inactive.html fails in WebKit2 and passes in WebKit1. The following is the failure diff: [[ --- /Volumes/.../OpenSource/WebKitBuild/Debug/layout-test-results/fast/selectors/querySelector-window-inactive-expected.txt +++ /Volumes/.../OpenSource/WebKitBuild/Debug/layout-test-results/fast/selectors/querySelector-window-inactive-actual.txt @@ -4,7 +4,7 @@ PASS document.querySelectorAll("a:window-inactive").length is 0 -PASS document.querySelectorAll("a:window-inactive").length is 1 +FAIL document.querySelectorAll("a:window-inactive").length should be 1. Was 0. PASS successfullyParsed is true TEST COMPLETE ]]