RESOLVED FIXED323026
[css-sizing] The size shorthand needs a feature flag 
https://bugs.webkit.org/show_bug.cgi?id=323026
Summary [css-sizing] The size shorthand needs a feature flag
Andrew Martinez
Reported 2026-08-31 14:03:42 PDT
The `size` shorthand for `width`/`height` was added in 320162@main (https://bugs.webkit.org/show_bug.cgi?id=289633) without a feature flag. The property added is still being drafted (css-sizing-4 sizing-properties, tracked by w3c/csswg-drafts#820). Instead of adding as a release feature, the appropriate step was to enable it in technology preview. For this specific case (previewed shorthand while longhands available / untouched) there are no existing precedents to copy from.
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Andrew Martinez
Comment 1 2026-08-31 14:03:44 PDT
<rdar://problem/186287743>
Andrew Martinez
Comment 2 2026-08-31 15:41:00 PDT
Pull request: https://github.com/WebKit/WebKit/pull/72887
EWS
Comment 3 2026-09-01 13:27:13 PDT
Committed 320265@main (3027d46f2e7c): <https://commits.webkit.org/320265@main> Reviewed commits have been landed. Closing PR #72887 and removing active labels.
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