191371 2018-11-07 09:18:20 -0800 [SVG2]: Remove the attributeType attribute from SVGAnimationElement 2026-03-17 22:45:47 -0700 1 1 1 Unclassified WebKit SVG WebKit Nightly Build Unspecified Unspecified NEW P2 Normal --- 191292 1 sabouhallawa webkit-unassigned ahmad.saleem792 karlcow krit zimmermann oldest_to_newest 1476009 0 sabouhallawa 2018-11-07 09:18:20 -0800 https://svgwg.org/specs/animations/#ChangesSinceSVG11 1476051 1 krit 2018-11-07 10:27:21 -0800 This is not part of SVG 2.0 but of the discontinued module SVG Animations 2. Please do not look at this spec. 2191244 2 478712 karlcow 2026-03-17 22:45:14 -0700 Created attachment 478712 testcase https://w3c.github.io/svgwg/specs/animations/#:~:text=the%20attributeType%20attribute%20is%20not%20supported%20by%20SVG > Unlike SMIL Animation, the attributeType attribute is not supported by SVG. SVG's animation elements follow the behavior defined for the auto value of attributeType. That is, when determining if ‘attributeName’ corresponds to an attribute name or a CSS property name, the implementation must first search through the list of CSS properties for a matching property name. If no matching property is found, the implementation must search for a matching attribute on the target element. https://wpt.live/svg/animations/attributeTypes.html Through https://github.com/w3c/svgwg/commit/968d1a83a5c29f6107e01df3b44b172a17cedc90 https://www.w3.org/2015/02/12-svg-minutes.html#:~:text=can%20we%20discuss%20attributeType=%22auto%22 Gecko https://bugzilla.mozilla.org/show_bug.cgi?id=1062106 The test is not really testing attributeType. https://github.com/web-platform-tests/wpt/blob/eec31fe936/svg/animations/attributeTypes.html I'm adding the same testcase without attributeType and it is still passing on all browsers. 478712 2026-03-17 22:45:14 -0700 2026-03-17 22:45:14 -0700 testcase testcase.html text/html 4407 karlcow PCFkb2N0eXBlIGh0bWw+CjxodG1sPgo8bWV0YSBjaGFyc2V0PSJ1dGYtOCI+Cjx0aXRsZT5UaGlz IHZlcmlmaWVzIHNldmVyYWwgYXR0cmlidXRlVHlwZXMgY29tYmluaWF0aW9uczwvdGl0bGU+Cjxz Y3JpcHQgc3JjPSJodHRwczovL3dwdC5saXZlL3Jlc291cmNlcy90ZXN0aGFybmVzcy5qcyI+PC9z 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