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Updates for Safari TP 252 - #30488

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Elchi3:safari-tp-252
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Updates for Safari TP 252#30488
Elchi3 wants to merge 1 commit into
mdn:mainfrom
Elchi3:safari-tp-252

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@Elchi3

@Elchi3 Elchi3 commented Sep 11, 2026

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Summary

The https://collector.openwebdocs.org/ project (v10.20.10) found new features shipping in Safari Technical Preview 252 on macOS 27 which was released today. Currently, the collector covers about 90% of BCD, so the following list might not be exhaustive.

🚧 No release notes yet.

  • api.CSSMediaRule.matches
  • api.CSSSupportsRule.matches
  • api.Request.duplex
  • css.properties.user-select

@github-actions github-actions Bot added data:api Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API data:css Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS size:m [PR only] 25-100 LoC changed labels Sep 11, 2026
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Tip: Review these changes grouped by change (recommended for most PRs), or grouped by feature (for large PRs).

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data:api Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API data:css Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS size:m [PR only] 25-100 LoC changed

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