Issues

• [scroll-animations-1] Should SVG transforms be taken into account for view timelines?

  Agenda+scroll-animations-1
  w3c/csswg-drafts#14364 · Filter by author dshin-moz opened on Aug 20, 2026
  1

• [scroll-animations-1] [html] Stale timeline update needs clarifications

  Agenda+scroll-animations-1
  w3c/csswg-drafts#14337 · Filter by author emilio opened on Aug 17, 2026
  3

• [scroll-animations-1] Fix ViewTimeline progress range calculation (#10960)

  scroll-animations-1
  Unread
  w3c/csswg-drafts#14305·lancy69 opened Aug 11, 2026 · Updated Oct 21, 2026
  1

• [scroll-animations-1] What should a view progress timeline do when its subject is position:fixed?

  scroll-animations-1
  w3c/csswg-drafts#14296 · Filter by author jwatt opened on Aug 7, 2026
  3

• [css-animations-2] [scroll-animations-1] The choice of the multiple matched 0%/100% keyframes when using <timeline-range-offset> offsets

  css-animations-2scroll-animations-1
  w3c/csswg-drafts#14281 · Filter by author BorisChiou opened on Aug 5, 2026

• [scroll-animations-1] Clarify what pseudo-elements can be scroll/view timelines other than ::before and ::after, if any

  scroll-animations-1
  w3c/csswg-drafts#14234 · Filter by author dshin-moz opened on Jul 28, 2026
  1

• [scroll-animations][css-viewport] How should the zoom property affect animation-range-start/animation-range-end

  Agenda+css-viewport-1scroll-animations-1web-animations-2
  w3c/csswg-drafts#14188 · Filter by author weinig opened on Jul 15, 2026
  6

• [scroll-animations-1] Proposal: add range name stuck

  Needs Editsscroll-animations-1
  w3c/csswg-drafts#14181 · Filter by author ydaniv opened on Jul 14, 2026
  3

• [scroll-animations-1] Update the attributes of ViewTimeline startOffet and endOffset to be nullable (#13844)

  scroll-animations-1
  Unread
  w3c/csswg-drafts#14005·BorisChiou opened Jun 3, 2026 · Updated Oct 21, 2026

• [web-animations-2] partial dictionary OptionalEffectTiming should specify duration

  scroll-animations-1web-animations-2
  w3c/csswg-drafts#13990 · Filter by author jwatt opened on May 30, 2026
  1

• [scroll-animations-1] Now that scroll timelines are more visible by default, should the timeline lookup be in flat tree?

  Needs EditsNeeds Testcase (WPT)scroll-animations-1
  w3c/csswg-drafts#13974 · Filter by author dshin-moz opened on May 27, 2026
  3

• [scroll-animations-1] When exactly does the timeline change take effect? What does the initial scroll snapshot look like?

  Needs Testcase (WPT)scroll-animations-1
  w3c/csswg-drafts#13963 · Filter by author dshin-moz opened on May 25, 2026
  4

• [scroll-animations-1] Condition for returning null vs inactive timeline for missing named timeline reference

  scroll-animations-1
  w3c/csswg-drafts#13955 · Filter by author dshin-moz opened on May 22, 2026
  2

• [scroll-animation-1][interop-2026] Clarify when named timeline (re-) lookup is processed

  scroll-animations-1
  w3c/csswg-drafts#13944 · Filter by author hiikezoe opened on May 20, 2026
  3

• [scroll-animations-1] Should switching from animation-timeline: none to animation-timeine: --scroll-timeline cause the animation to pause?

  scroll-animations-1
  w3c/csswg-drafts#13899 · Filter by author dshin-moz opened on May 7, 2026
  1

• The implicit keyframes (0% and 100%) if specified keyframes use <timeline-range-name>

  css-animations-2scroll-animations-1
  w3c/csswg-drafts#13872 · Filter by author BorisChiou opened on Apr 30, 2026
  1

• [scroll-animations] How/when does the "inset" parameter in the ViewTimeline constructor get evaluated?

  Needs EditsNeeds Testcase (WPT)scroll-animations-1
  w3c/csswg-drafts#13852 · Filter by author weinig opened on Apr 28, 2026
  7

• [scroll-animations-1] WebIDL and prose for ViewTimeline conflict (startOffset/endOffset)

  Needs EditsNeeds Testcase (WPT)scroll-animations-1
  w3c/csswg-drafts#13844 · Filter by author jwatt opened on Apr 28, 2026
  5

• [scroll-animations-1] How should ViewTimeline work on an inline or fragmented subject?

  Needs EditsNeeds Testcase (WPT)scroll-animations-1
  w3c/csswg-drafts#13818 · Filter by author flackr opened on Apr 16, 2026
  4

• [css-animations-2][web-animations-2][scroll-animations-1] Timeline returned for scope with no timeline providing that name.

  css-animations-2Needs EditsNeeds Testcase (WPT)scroll-animations-1web-animations-2
  w3c/csswg-drafts#13807 · Filter by author flackr opened on Apr 14, 2026
  7

• [scroll-animations-1][css-animations-2] Move the definition of animation-range-start and animation-range-end (and their shorthand) into css-animations-2

  css-animations-2scroll-animations-1
  w3c/csswg-drafts#13569 · Filter by author BorisChiou opened on Feb 26, 2026

• [scroll-animations-1] view-timeline and keyframes that affect its own view progress

  scroll-animations-1
  w3c/csswg-drafts#13543 · Filter by author dshin-moz opened on Feb 20, 2026
  2

• [web-animations-2] [scroll-animations] "at progress timeline boundary" for view timelines

  scroll-animations-1web-animations-2
  w3c/csswg-drafts#13509 · Filter by author graouts opened on Feb 17, 2026
  2

• [css-value] Clarification on the serialization of the shorthand associated with coordinated value lists

  css-values-4Needs Testcase (WPT)scroll-animations-1spec-test-mismatch
  w3c/csswg-drafts#13500 · Filter by author weinig opened on Feb 16, 2026
  23

• [scroll-animations-1] Define when ScrollTimeline.source should update

  Needs EditsNeeds Testcase (WPT)scroll-animations-1
  w3c/csswg-drafts#13480 · Filter by author dshin-moz opened on Feb 10, 2026
  3