← WebKit — 2026-W39
78c9cafc0c7751d50937e06c61ba4029f40f5ca1 [Site Isolation][macOS Tahoe Debug]REGRESSION(315452@main): 2x TestWebKitAPI.* (api-tests) are constant crashes.
not a security fix
confidence 0.12
signal score 7.77
Source/WebKit/UIProcess
Classified as not security-relevant.
Triage note: findReusableSuspendedPageProcess takes a Site instead of RegistrableDomain and compares full site when siteIsolationEnabled; process-swap predicate tweaked for site isolation. Process-reuse policy plumbing for a feature, not a bug fix.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Triage note: findReusableSuspendedPageProcess takes a Site instead of RegistrableDomain and compares full site when siteIsolationEnabled; process-swap predicate tweaked for site isolation. Process-reuse policy plumbing for a feature, not a bug fix.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Structural signals: smartptr_member_added (+6.47), surgical (+1.3)
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