Bug 302647

Summary: [threaded-animations] timelines contained within iframes don't get uploaded to the remote layer tree
Product: WebKit Reporter: Antoine Quint <graouts>
Component: AnimationsAssignee: 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 2025-11-17 09:46:56 PST
Timelines contained within iframes don't get uploaded to the remote layer tree and this yields a crash on a page like https://codepen.io/michellebarker/pen/JjxBzvO since we fail to find the expected timeline on the remote end and fail an assertion.
Attachments
Radar WebKit Bug Importer
Comment 1 2025-11-17 09:47:05 PST
Antoine Quint
Comment 2 2025-11-17 09:49:06 PST
EWS
Comment 3 2025-11-17 22:39:36 PST
Committed 303169@main (62b90babf8ba): <https://commits.webkit.org/303169@main> Reviewed commits have been landed. Closing PR #54055 and removing active labels.
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