RESOLVED FIXED306427
[threaded-animations] WPT test `css/css-contain/content-visibility/content-visibility-animation-in-auto-subtree.html` fails with "Threaded Time-based Animations" enabled 
https://bugs.webkit.org/show_bug.cgi?id=306427
Summary [threaded-animations] WPT test `css/css-contain/content-visibility/content-vi...
Antoine Quint
Reported 2026-01-28 07:58:59 PST
The WPT test `css/css-contain/content-visibility/content-visibility-animation-in-auto-subtree.html` fails with "Threaded Time-based Animations" enabled. It appears we are entering the accelerated animation code path when reading the computed style, but that animation should not be accelerated.
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Radar WebKit Bug Importer
Comment 1 2026-01-28 07:59:13 PST
<rdar://problem/169096874>
Antoine Quint
Comment 2 2026-01-28 08:06:27 PST
Pull request: https://github.com/WebKit/WebKit/pull/57408
EWS
Comment 3 2026-01-28 09:44:10 PST
Committed 306355@main (2d110664327e): <https://commits.webkit.org/306355@main> Reviewed commits have been landed. Closing PR #57408 and removing active labels.
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