← WebKit — 2026-W39
2a62dc2f4ea5e52e11f52f6a53a2fceeb3c20236 [AppKit Gestures] quip.com: Cannot drag notification bar's scrollbar
not a security fix
confidence 0.15
signal score 7.92
Source/WebCore/page
Classified as not security-relevant.
Triage note: Replaces isPointInScrollbar(root-frame scrolledContentsLayer) with hitTestableScrollbarLayers() gathered from every scrolling node and a topmost-layer check. The rdar://178173007 ASSERT is pre-existing; this is a scrollbar hit-testing correctness refactor, not memory safety.
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: Replaces isPointInScrollbar(root-frame scrolledContentsLayer) with hitTestableScrollbarLayers() gathered from every scrolling node and a topmost-layer check. The rdar://178173007 ASSERT is pre-existing; this is a scrollbar hit-testing correctness refactor, not memory safety.
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), null_guard (+1.95), msg_medium (+2.0), msg_noise (-2.5)
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