RESOLVED FIXED309907
[Site Isolation] Enable subframe loading for UI-process-driven back/forward navigation when site isolation is enabled. 
https://bugs.webkit.org/show_bug.cgi?id=309907
Summary [Site Isolation] Enable subframe loading for UI-process-driven back/forward n...
Basuke Suzuki
Reported 2026-03-13 11:34:09 PDT
When `UseUIProcessForBackForwardItemLoading` is enabled with site isolation, several issues arise with subframe back/forward navigation. This patch addresses them:
Attachments
Add attachment proposed patch, testcase, etc.
Basuke Suzuki
Comment 1 2026-03-13 11:49:31 PDT
rdar://172495046
Basuke Suzuki
Comment 2 2026-03-13 13:42:49 PDT
Pull request: https://github.com/WebKit/WebKit/pull/60583
Basuke Suzuki
Comment 3 2026-03-13 17:26:13 PDT
*** Bug 308564 has been marked as a duplicate of this bug. ***
EWS
Comment 4 2026-03-18 20:33:18 PDT
Committed 309525@main (f57d285d1e5a): <https://commits.webkit.org/309525@main> Reviewed commits have been landed. Closing PR #60583 and removing active labels.
Note You need to log in before you can comment on or make changes to this bug.