Bug 287005

Summary:	[Site Isolation] ProvisionalPageProxy should not reuse the main frame when its process does not already have a RemotePageProxy
Product:	WebKit	Reporter:	Charlie Wolfe <charliew>
Component:	WebKit Process Model	Assignee:	Charlie Wolfe <charliew>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	nham, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

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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