RESOLVED FIXED 274804
[Site Isolation] Back forward items for cross-origin iframe navigations are ignored 
https://bugs.webkit.org/show_bug.cgi?id=274804
Summary [Site Isolation] Back forward items for cross-origin iframe navigations are i...
Charlie Wolfe
Reported 2024-05-28 15:33:12 PDT
We should only expect an additional back forward item for the initial load of a root child frame. Separate back forward items are already created when navigating within a child frame (even without site isolation), so we don’t need to set any additional state on those items. This was causing us to skip over cross-origin iframe navigations when moving in the back forward list. Going back/forward to cross-origin iframes still doesn’t work correctly for different reasons.
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Radar WebKit Bug Importer
Comment 1 2024-05-28 15:33:22 PDT
<rdar://problem/128902889>
Charlie Wolfe
Comment 2 2024-05-28 15:35:21 PDT
Pull request: https://github.com/WebKit/WebKit/pull/29194
EWS
Comment 3 2024-05-29 18:21:41 PDT
Committed 279486@main (df735d5e5a8a): <https://commits.webkit.org/279486@main> Reviewed commits have been landed. Closing PR #29194 and removing active labels.
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