After bug 235014 was resolved, a new code path was enabled that now requires checking if the animation is relevant before adding an action to the list of m_pendingAcceleratedActions
Created attachment 449553 [details] Patch
Thank you @graouts for helping me identify and recommend the proposed fix.
<rdar://problem/87701738>
Created attachment 449554 [details] Patch
Created attachment 449754 [details] Patch
Comment on attachment 449754 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=449754&action=review > Source/WebCore/animation/KeyframeEffect.cpp:1866 > + auto underlyingStyle = [&]() -> std::unique_ptr<RenderStyle> { Probably don’t need explicit return type.
Created attachment 449759 [details] Patch for landing
Committed r288423 (246314@main): <https://commits.webkit.org/246314@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 449759 [details].