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.
We’ve published a new snapshot of the CSS Namespaces test suite. This one is a Release Candidate, meaning it’s considered complete, has at least one almost-passing implementation, and contains no known or suspected bugs at its publication. This test suite was written primarily by Anne van Kestern of Opera Software.