[csswg-drafts] Pull Request: Update procedure for determining if at a progress timeline boundary

kevers-google has just submitted a new pull request for https://github.com/w3c/csswg-drafts:

== Update procedure for determining if at a progress timeline boundary ==
[web-animations-2][scroll-animations-1] 

Update spec based on discussion in https://github.com/w3c/csswg-drafts/issues/12134.

Keeping the animation in effect at a phase boundary is intended to alleviate the need for a fill mode, when the scroll range for the animation aligns with the maximum or minimum scroll position.  The update aligns with the original intent of the feature.




See https://github.com/w3c/csswg-drafts/pull/13819


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Received on Thursday, 16 April 2026 18:57:50 UTC