For people saying it's not working in any browser - do you have some kind of reduced motion preference setting turned on? I can imagine that would have an effect on something like this and it's definitely working in Chrome for me.
replyYes... there's a media query in the codepen disabling animation for people with reduced motion enabled.
replyIt's been behind a flag for ages. Maybe because of performance issues?
replyEnabling (layout.css.scroll-driven-animations.enabled) and refreshing the codepen gives a "we crashed this to prevent a crash from an infinite loop" clicking to allow the infinite loops allowed me to see the animation.
replyFedora 44 Kernel: x86_64 Linux 7.0.10-201.fc44.x86_64 Firefox 151.0.2
Noticed the same thing. In Mac Safari it works without setting any flags.
replytried 4 browsers, didn't work in any of them
replyFWIW it works on iPhone safari
replyBut it jumps around and flickers pretty bad. Chrome’s own demos in the docs don’t work at all.
replyhttps://developer.chrome.com/docs/css-ui/scroll-driven-anima...
Edit: Their reference works and has some really nice demos. Must be an iframe problem. https://scroll-driven-animations.style/#demos
Only on iOS 26.
replyI don’t think it did for me. Are you on iOS 26?
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