RESOLVED FIXED316263
netflix.com: v2: Webpage scrolls when adjusting volume slider (VisionOS / iPad) -- narrower fix after revert of 314097@main 
https://bugs.webkit.org/show_bug.cgi?id=316263
Summary netflix.com: v2: Webpage scrolls when adjusting volume slider (VisionOS / iPa...
joanne_pan2
Reported 2026-06-03 16:07:20 PDT
Re-opening Netflix volume slider scrolling issue after after rdar://177895899 prompted to revert 310491@main (revert landed as 314097@main, "An appropriate solution to the Netflix scrolling bug should be much narrower."). The original symptom from rdar://173988278 has thus returned. We need a narrow fix that does not: - Suppress synthetic clicks when preventDefault() is called on pointerdown (root cause Lily identified that broke Clues By Sam tap targets) - Broadly enable touch-event regions on iOS-family (caused Hulu PiP rdar://174187687, AR Quick Look rdar://175797378, layout-test timeout rdar://177731895) Reverted commit: https://commits.webkit.org/310491@main Revert commit: https://commits.webkit.org/314097@main (See Related radars for the full regression cluster.)
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Add attachment proposed patch, testcase, etc.
joanne_pan2
Comment 1 2026-06-03 16:07:33 PDT
rdar://178545839
joanne_pan2
Comment 2 2026-06-03 16:23:40 PDT
Pull request: https://github.com/WebKit/WebKit/pull/66411
EWS
Comment 3 2026-06-04 22:43:06 PDT
Committed 314617@main (af3beda8beed): <https://commits.webkit.org/314617@main> Reviewed commits have been landed. Closing PR #66411 and removing active labels.
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