[csswg-drafts] Pull Request: [css-conditional-5] Defined @supports-query #12622

SebastianZ has just labeled a pull request from SebastianZ for https://github.com/w3c/csswg-drafts as "css-conditional-5":

== [css-conditional-5] Defined @supports-query #12622 ==
This defines the `@supports-query` at-rule that allows authors to create custom support queries. It closes #12622.

Note that the [resolution](https://github.com/w3c/csswg-drafts/issues/12622#issuecomment-3204959140) was to add it to the same spec as `@custom-media`, i.e. [Media Queries 5](https://drafts.csswg.org/mediaqueries-5/#custom-mq). Though, as noted in https://github.com/w3c/csswg-drafts/issues/12622#issuecomment-3313935264, it is strongly tied to `@supports`. Therefore, I've added it to CSS Conditional 5, instead.

Sebastian

See https://github.com/w3c/csswg-drafts/pull/12935


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Received on Saturday, 11 October 2025 23:55:29 UTC