Bug 302569

Summary: Support automatic initial value for grid-auto-flow [css-grid-3][masonry]
Product: WebKit Reporter: fantasai <fantasai.bugs>
Component: Layout and RenderingAssignee: fantasai <fantasai.bugs>
Status: RESOLVED FIXED    
Severity: Normal CC: bfulgham, brandonstewart, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Local Build   
Hardware: Unspecified   
OS: Unspecified   

fantasai
Reported 2025-11-15 07:27:30 PST
CSSWG has tentatively adopted a new initial value for grid-auto-flow, which resolves to either row or column depending on which of grid-template-rows / grid-template-columns is set to 'none'. We should implement this value, which would both be a useful default behavior as well as allowing us to run the row-track masonry WPTs.
Attachments
Radar WebKit Bug Importer
Comment 1 2025-11-15 07:27:36 PST
fantasai
Comment 2 2025-11-15 07:40:22 PST
EWS
Comment 3 2025-11-29 00:32:34 PST
Committed 303634@main (ed04b373358b): <https://commits.webkit.org/303634@main> Reviewed commits have been landed. Closing PR #53989 and removing active labels.
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