NEW303137
[threaded-animations] document with a single `<div>` that has `opacity: 0` won't yield an accelerated scroll-driven animation 
https://bugs.webkit.org/show_bug.cgi?id=303137
Summary [threaded-animations] document with a single `<div>` that has `opacity: 0` wo...
Antoine Quint
Reported 2025-11-26 06:07:50 PST
The fix for bug 303136 has to work around an issue found in the existing test `webanimations/threaded-animations/scroll-timeline-in-iframe.html` where we would no longer accelerate the animation of a `<div>` that initially has `opacity: 0`.
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Radar WebKit Bug Importer
Comment 1 2025-11-26 06:10:19 PST
<rdar://problem/165441664>
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