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RESOLVED FIXED
310050
ResizeObserver is still sluggish over time
https://bugs.webkit.org/show_bug.cgi?id=310050
Summary
ResizeObserver is still sluggish over time
Ryosuke Niwa
Reported
2026-03-16 14:23:14 PDT
I've implemented some optimization in
https://commits.webkit.org/309334@main
but it's still quite a bit slower compared to Chrome.
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proposed patch, testcase, etc.
Ryosuke Niwa
Comment 1
2026-03-16 14:26:51 PDT
Pull request:
https://github.com/WebKit/WebKit/pull/60720
EWS
Comment 2
2026-03-16 21:33:23 PDT
Committed
309376@main
(89c4bdc2aba0): <
https://commits.webkit.org/309376@main
> Reviewed commits have been landed. Closing PR #60720 and removing active labels.
Radar WebKit Bug Importer
Comment 3
2026-03-16 21:34:12 PDT
<
rdar://problem/172718139
>
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