RESOLVED FIXED307706
Reduce number of ElementRareData allocations due to lang 
https://bugs.webkit.org/show_bug.cgi?id=307706
Summary Reduce number of ElementRareData allocations due to lang
Nipun Shukla
Reported 2026-02-12 13:50:36 PST
Many ElementRareData allocations occur because we optimistically copy the parent's effectiveLang into each child. This should be removed/reduced.
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Radar WebKit Bug Importer
Comment 1 2026-02-12 14:03:32 PST
<rdar://problem/170261859>
Nipun Shukla
Comment 2 2026-02-12 14:09:39 PST
Pull request: https://github.com/WebKit/WebKit/pull/58543
EWS
Comment 3 2026-02-18 10:16:46 PST
Committed 307769@main (8c142edd53ed): <https://commits.webkit.org/307769@main> Reviewed commits have been landed. Closing PR #58543 and removing active labels.
Nipun Shukla
Comment 4 2026-02-19 09:04:37 PST
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/57879
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