Bug 315739

Summary:	[web-animations] adopt `OrderedHashSet` for `AnimationCollection` and `CSSAnimationCollection`
Product:	WebKit	Reporter:	Antoine Quint <graouts>
Component:	Animations	Assignee:	Antoine Quint <graouts>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	graouts, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Antoine Quint

Reported 2026-05-28 00:59:59 PDT

A new `OrderedHashSet` class was introduced that can replace `ListHashSet` with better performance and lower memory usage. We should adopt it for the animation-related types that use `ListHashSet`.

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Radar WebKit Bug Importer

Comment 1 2026-05-28 01:00:08 PDT

<rdar://problem/178124843>

Antoine Quint

Comment 2 2026-05-28 01:03:48 PDT

Pull request: https://github.com/WebKit/WebKit/pull/65870

EWS

Comment 3 2026-05-28 06:08:49 PDT

Committed 314033@main (e04760875bf9): <https://commits.webkit.org/314033@main> Reviewed commits have been landed. Closing PR #65870 and removing active labels.

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