NEW311235
[Scroll anchoring][iOS] The scroll anchoring disablement heuristic does not work the root 
https://bugs.webkit.org/show_bug.cgi?id=311235
Summary [Scroll anchoring][iOS] The scroll anchoring disablement heuristic does not w...
Simon Fraser (smfr)
Reported 2026-03-31 16:54:57 PDT
The scroll anchoring heuristic (bug 311227) does not work on the root on iOS because `upateVisibleContentRects` reports that all scrolls coming from the UI process are "user" scrolls, even if they originated from a programmatic scroll, and this resets the heuristic.
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Radar WebKit Bug Importer
Comment 1 2026-03-31 16:55:04 PDT
<rdar://problem/173819857>
Simon Fraser (smfr)
Comment 2 2026-03-31 17:30:46 PDT
See also bug 309019.
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