RESOLVED FIXED316017
Use a cached "initial style" on Document for all non-element context CSS value conversion 
https://bugs.webkit.org/show_bug.cgi?id=316017
Summary Use a cached "initial style" on Document for all non-element context CSS valu...
Sam Weinig
Reported 2026-06-01 10:57:43 PDT
Use a cached "initial style" on Document for all non-element context CSS value conversion. This should simplify and align media query users and remove the need for the RuleMatchingBehavior::MatchOnlyUserAgentRules behavior.
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Add attachment proposed patch, testcase, etc.
Sam Weinig
Comment 1 2026-06-01 11:01:17 PDT
Pull request: https://github.com/WebKit/WebKit/pull/66186
EWS
Comment 2 2026-06-03 10:35:47 PDT
Committed 314476@main (c6316d204111): <https://commits.webkit.org/314476@main> Reviewed commits have been landed. Closing PR #66186 and removing active labels.
Radar WebKit Bug Importer
Comment 3 2026-06-03 10:36:13 PDT
<rdar://problem/178641054>
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