Bug 310050

Summary: ResizeObserver is still sluggish over time
Product: WebKit Reporter: Ryosuke Niwa <rniwa>
Component: New BugsAssignee: Ryosuke Niwa <rniwa>
Status: RESOLVED FIXED    
Severity: Normal CC: webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 309699    

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.
Attachments
Ryosuke Niwa
Comment 1 2026-03-16 14:26:51 PDT
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
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