Bug 252312

Summary: [css-transitions] `transition-property: all` does not apply to custom properties
Product: WebKit Reporter: Antoine Quint <graouts>
Component: AnimationsAssignee: Antoine Quint <graouts>
Status: RESOLVED FIXED    
Severity: Normal CC: dino, graouts, koivisto, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://github.com/web-platform-tests/wpt/pull/38519
Bug Depends on: 252393    
Bug Blocks: 235132    

Description Antoine Quint 2023-02-15 07:49:54 PST 
Setting `transition-property: all`, either explicitly or via its initial value, does not allow registered custom properties that could otherwise be interpolated to yield a transition.
Comment 1 Antoine Quint 2023-02-15 07:58:01 PST 
Pull request: https://github.com/WebKit/WebKit/pull/10142
Comment 2 Antoine Quint 2023-02-15 08:00:13 PST 
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/38519
Comment 3 Antoine Quint 2023-02-15 08:11:00 PST 
Filed a spec issue to clarify that `transition-property: all` ought to apply to custom properties.
Comment 4 Antoine Quint 2023-02-15 08:11:10 PST 
https://github.com/w3c/csswg-drafts/issues/8456
Comment 5 EWS 2023-02-16 11:13:53 PST 
Committed 260384@main (fcdce8ff40bb): <https://commits.webkit.org/260384@main>

Reviewed commits have been landed. Closing PR #10142 and removing active labels.
Comment 6 Radar WebKit Bug Importer 2023-02-16 11:14:24 PST 
<rdar://problem/105556538>