RESOLVED FIXED297438
[css-anchor-position-1] Last-successful position fallback doesn't apply on anchoreum.com 
https://bugs.webkit.org/show_bug.cgi?id=297438
Summary [css-anchor-position-1] Last-successful position fallback doesn't apply on an...
Kiet Ho
Reported 2025-08-14 17:30:08 PDT
http://anchoreum.com, level 23. Observe that the white label box.
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Radar WebKit Bug Importer
Comment 1 2025-08-14 17:30:52 PDT
<rdar://problem/158365856>
Kiet Ho
Comment 2 2025-08-19 18:40:26 PDT
There's an issue with animation + remembering last-successful position fallback. It seems that it doesn't remember when an element has animation.
Kiet Ho
Comment 3 2025-08-21 21:08:37 PDT
Pull request: https://github.com/WebKit/WebKit/pull/49752
EWS
Comment 4 2025-08-30 19:11:29 PDT
Committed 299367@main (9a79c5246dd6): <https://commits.webkit.org/299367@main> Reviewed commits have been landed. Closing PR #49752 and removing active labels.
Kiet Ho
Comment 5 2025-09-02 11:18:28 PDT
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/54645
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