Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 401e156fe3e88acc612597a6c68358b534c7ccd2
      
https://github.com/WebKit/WebKit/commit/401e156fe3e88acc612597a6c68358b534c7ccd2
  Author: Devin Rousso <[email protected]>
  Date:   2026-07-06 (Mon, 06 Jul 2026)

  Changed paths:
    A LayoutTests/inspector/animation/keyframes-custom-property-expected.txt
    A LayoutTests/inspector/animation/keyframes-custom-property.html
    M Source/WebCore/inspector/agents/InspectorAnimationAgent.cpp

  Log Message:
  -----------
  Web Inspector: Crash when opened with CSS Variable @keyframes Animation
https://bugs.webkit.org/show_bug.cgi?id=283981
<rdar://problem/140880870>

Reviewed by Antoine Quint.

Custom properties in a keyframe should be serialized from the keyframe's own 
style instead of the current computed style.

* Source/WebCore/inspector/agents/InspectorAnimationAgent.cpp:
(WebCore::buildObjectForKeyframes):

* LayoutTests/inspector/animation/keyframes-custom-property.html: Added.
* LayoutTests/inspector/animation/keyframes-custom-property-expected.txt: Added.

Canonical link: https://commits.webkit.org/316540@main



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