RESOLVED FIXED312959
Avoid updating UI-side layer positions for no-op transactions 
https://bugs.webkit.org/show_bug.cgi?id=312959
Summary Avoid updating UI-side layer positions for no-op transactions
Simon Fraser (smfr)
Reported 2026-04-21 21:17:07 PDT
If a page is running a no-op requestAnimationFrame, or doing other things that trigger RemoteLayerTreeTransactions with no scrolling tree changes, then we don't need to run `applyLayerPositions` in the UI process for such transactions.
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Radar WebKit Bug Importer
Comment 1 2026-04-21 21:17:13 PDT
<rdar://problem/175308880>
Simon Fraser (smfr)
Comment 2 2026-04-21 21:22:42 PDT
Pull request: https://github.com/WebKit/WebKit/pull/63293
EWS
Comment 3 2026-04-22 17:11:20 PDT
Committed 311816@main (8ff9ee25d0ec): <https://commits.webkit.org/311816@main> Reviewed commits have been landed. Closing PR #63293 and removing active labels.
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