RESOLVED FIXED 284546
[scroll-animations] WPT test scroll-animations/scroll-timelines/scroll-timeline-invalidation.html has failures 
https://bugs.webkit.org/show_bug.cgi?id=284546
Summary [scroll-animations] WPT test scroll-animations/scroll-timelines/scroll-timeli...
Antoine Quint
Reported 2024-12-12 06:53:27 PST
The WPT test scroll-animations/scroll-timelines/scroll-timeline-invalidation.html has one failure: FAIL If scroll animation resizes its scroll timeline scroller, layout reruns once per frame. assert_approx_equals: expected 28.42105263157895 +/- 0.1 but got 60.000003814697266
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Radar WebKit Bug Importer
Comment 1 2024-12-12 06:53:45 PST
<rdar://problem/141357012>
Antoine Quint
Comment 2 2025-04-25 01:50:27 PDT
This is about the concept of stale timelines which we don't implement yet: https://drafts.csswg.org/scroll-animations-1/#event-loop.
Antoine Quint
Comment 3 2025-04-25 01:51:17 PDT
This is the spec change where this concept was introduced: https://github.com/w3c/csswg-drafts/commit/691c816b9d97b56a166f1426b8a79885b8aa6e40.
Antoine Quint
Comment 4 2025-04-25 07:44:53 PDT
Pull request: https://github.com/WebKit/WebKit/pull/44518
Antoine Quint
Comment 5 2025-04-25 07:49:03 PDT
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/52176
EWS
Comment 6 2025-04-25 13:08:28 PDT
Committed 294121@main (3da5ec4d32bd): <https://commits.webkit.org/294121@main> Reviewed commits have been landed. Closing PR #44518 and removing active labels.
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