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.
dense
/sparse
keyword to grid-auto-flow
, defaulting to sparse.
text-align
and text-align-last
. Aligning on a shorthand-longhand relationship, details to be worked out on-list so that we can extend with first-line controls in the future.