RESOLVED DUPLICATE of bug 309907308564
[Site Isolation] Handle cross-site child frame back/forward navigations that require a process swap. 
https://bugs.webkit.org/show_bug.cgi?id=308564
Summary [Site Isolation] Handle cross-site child frame back/forward navigations that ...
Basuke Suzuki
Reported 2026-02-24 10:52:12 PST
Extend the UIProcess-driven back/forward path to support the case where the historical URL is cross-site and triggers a process swap.
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Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2026-03-03 10:53:11 PST
<rdar://problem/171640868>
Basuke Suzuki
Comment 2 2026-03-13 17:26:13 PDT
*** This bug has been marked as a duplicate of bug 309907 ***
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