313262 2026-04-24 12:35:29 -0700 [Site Isolation] http/tests/security/frameNavigation/not-opener.html has intentional log diff 2026-04-24 21:19:38 -0700 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 a.tarbinian webkit-unassigned webkit-bug-importer oldest_to_newest 2204255 0 a.tarbinian 2026-04-24 12:35:29 -0700 With site isolation enabled, http/tests/security/frameNavigation/not-opener.html has an intentional test difference between the output when run with site isolation disabled. See the following diff: @@ -1,3 +1,3 @@ -CONSOLE MESSAGE: Unsafe JavaScript attempt to initiate navigation for frame with URL 'http://127.0.0.1:8000/security/frameNavigation/resources/ready.html' from frame with URL 'http://localhost:8000/security/frameNavigation/resources/not-opener-helper.html'. The frame attempting navigation is neither same-origin with the target, nor is it the target's parent or opener. +CONSOLE MESSAGE: Unsafe JavaScript attempt to initiate navigation for frame with URL 'http://127.0.0.1:8000/' from frame with URL 'http://localhost:8000/security/frameNavigation/resources/not-opener-helper.html'. The frame attempting navigation is neither same-origin with the target, nor is it the target's parent or opener. This was an intentional difference caused by https://commits.webkit.org/310093@main since we don't want to allow a web process to access the full URL of a remote frame. Also see https://commits.webkit.org/310523@main 2204256 1 webkit-bug-importer 2026-04-24 12:35:37 -0700 <rdar://problem/175533445> 2204261 2 a.tarbinian 2026-04-24 12:49:12 -0700 Pull request: https://github.com/WebKit/WebKit/pull/63548 2204390 3 ews-feeder 2026-04-24 21:19:37 -0700 Committed 312005@main (82c23c393f9b): <https://commits.webkit.org/312005@main> Reviewed commits have been landed. Closing PR #63548 and removing active labels.