*Contact emails*
[email protected]

*Explainer*
https://github.com/w3c/csswg-drafts/blob/main/css-conditional-5/named-feature-explainer.md

*Specification*
https://drafts.csswg.org/css-conditional-5/#typedef-supports-named-feature-fn

*Summary*
The named-feature() function allows CSS @supports rules to query for a
small set of specific named features that are not possible to test for
using other @supports mechanisms but which are considered highly valuable
to test for.

*Blink component*
Blink>CSS
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECSS%22>

*Web Feature ID*
Missing feature
<https://github.com/web-platform-dx/web-features/issues/3697>

*Motivation*
Sometimes we add new features to CSS where two things are simultaneously
true: first, that CSS authors see high value in writing conditional styles
for whether the feature is supported using @supports, and second, that the
existing mechanisms in @supports don't provide a useful way to test for the
feature. This provides a way for us to give names to a small number of
high-value features so that CSS authors can test for them in their style
sheets.

*Initial public proposal*
https://github.com/w3c/csswg-drafts/issues/3559#issuecomment-1868169502

*Requires code in //chrome?*
False

*Tracking bug*
https://issues.chromium.org/353715317

*Estimated milestones*

No milestones specified


*Link to entry on the Chrome Platform Status*
https://chromestatus.com/feature/5153932394102784?gate=5078781807820800

This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.

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