This is a page from the Cascading Style Sheets Working Group Blog. Some other places to find information are the “current work” page, the www-style mailing list, the Future of CSS syndicator, and the issue list on Github.
Do you want to know how the CSS WG works? Fantasai has written about:csswg, An Inside View of the CSS Working Group at W3C.
The CSS Working Group has published updated Working Drafts of CSS Fonts Level 4. This module defines new features regarding variable fonts, font loading timeline configuration, and color fonts support.
Please send feedback by either filing an issue in GitHub (preferable) or sending mail to the (archived) public mailing list www-style@w3.org with the spec code ([css-fonts]
) and your comment topic in the subject line. (Alternatively, you can email one of the editors and ask them to forward your comment.)