260103 2023-08-11 15:29:20 -0700 REGRESSION(266850@main): imported/w3c/web-platform-tests/cookie-store/change_eventhandler_for_document_cookie.https.window.html is a consistent failure. 2023-10-18 22:00:03 -0700 1 1 1 Unclassified WebKit WebKit API WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 258504 1 rupin cdumez ben_schwartz cdumez webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1970829 0 rupin 2023-08-11 15:29:20 -0700 imported/w3c/web-platform-tests/cookie-store/change_eventhandler_for_document_cookie.https.window.html is flaky 1972158 1 webkit-bug-importer 2023-08-18 15:30:13 -0700 <rdar://problem/114112210> 1985713 2 ben_schwartz 2023-10-17 15:39:07 -0700 imported/w3c/web-platform-tests/cookie-store/change_eventhandler_for_document_cookie.https.window.html This test is a consistent text failure on wk2. HISTORY: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcookie-store%2Fchange_eventhandler_for_document_cookie.https.window.html TEXT DIFF: PASS document.cookie set/overwrite/delete observed by CookieStore PASS CookieStore set/overwrite/delete observed by document.cookie FAIL CookieStore agrees with document.cookie on encoding non-ASCII cookies assert_equals: Cookie we wrote using document.cookie in cookie jar expected (string) "DOCUMENT-🍪=🔵" but got (undefined) undefined -PASS document.cookie agrees with CookieStore on encoding non-ASCII cookies +FAIL document.cookie agrees with CookieStore on encoding non-ASCII cookies assert_equals: Empty cookie jar after CookieStore delete expected (undefined) undefined but got (string) "DOCUMENT-🍪=🔵" DIFF URL: https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/269423@main%20(319)/imported/w3c/web-platform-tests/cookie-store/change_eventhandler_for_document_cookie.https.window-pretty-diff.html REPRODUCIBILITY: I was able to reproduce this issue on macOS Ventura (13.6, 22G120/arm64) ToT using the following command: run-webkit-tests -v --iterations 10 --exit-after-n-failures 1 imported/w3c/web-platform-tests/cookie-store/change_eventhandler_for_document_cookie.https.window.html REGRESSION: The flakiness dashboard indicates a potential regression point at 266850@main. Changes at this point appear to be directly related to this issue and are likely what caused the failure. 1985901 3 cdumez 2023-10-18 10:31:49 -0700 Pull request: https://github.com/WebKit/WebKit/pull/19235 1986079 4 ews-feeder 2023-10-18 22:00:01 -0700 Committed 269503@main (8572ca9d273c): <https://commits.webkit.org/269503@main> Reviewed commits have been landed. Closing PR #19235 and removing active labels.