RESOLVED FIXED304287
Web Inspector: Add Order Number to display: grid and grid-lanes 
https://bugs.webkit.org/show_bug.cgi?id=304287
Summary Web Inspector: Add Order Number to display: grid and grid-lanes
Brandon
Reported 2025-12-16 14:50:25 PST
Add an "Order Numbers" option to CSS Grid overlays in Web Inspector, matching the existing functionality for Flexbox overlays. The implementation supports both regular CSS Grid layouts and CSS Masonry layouts. For regular grids, item bounds are computed from grid area lines. For masonry layouts, the item's frame rect is used directly since grid areas may not have definite positions in the masonry axis.
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Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2025-12-16 14:50:32 PST
<rdar://problem/166648769>
Brandon
Comment 2 2025-12-16 14:51:37 PST
Pull request: https://github.com/WebKit/WebKit/pull/55512
EWS
Comment 3 2025-12-17 20:48:10 PST
Committed 304645@main (10ae7dbc9030): <https://commits.webkit.org/304645@main> Reviewed commits have been landed. Closing PR #55512 and removing active labels.
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