RESOLVED FIXED 287005
[Site Isolation] ProvisionalPageProxy should not reuse the main frame when its process does not already have a RemotePageProxy 
https://bugs.webkit.org/show_bug.cgi?id=287005
Summary [Site Isolation] ProvisionalPageProxy should not reuse the main frame when it...
Charlie Wolfe
Reported 2025-02-04 02:02:09 PST
Remove the last scenario where a main frame is unnecessarily being reused after a cross-site navigation, which is necessary to enable the back/forward cache with site isolation.
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Radar WebKit Bug Importer
Comment 1 2025-02-04 02:02:22 PST
<rdar://problem/144148232>
Charlie Wolfe
Comment 2 2025-02-04 02:07:45 PST
Pull request: https://github.com/WebKit/WebKit/pull/39978
EWS
Comment 3 2025-02-04 13:34:05 PST
Committed 289823@main (6620ec4e5d02): <https://commits.webkit.org/289823@main> Reviewed commits have been landed. Closing PR #39978 and removing active labels.
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