Allows writing media queries using ordinary mathematical comparison operators, and adds support for 'or', 'not', nesting, and evaluation of "unknown" features.


Specification link

Specification currently under development in a Working Group

Status in Chromium


In developer trial (Behind a flag) (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.


Last updated on 2022-04-12