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.
will-change.subgrid to level 2 of Grid would create accessibility issues that would be hard to rectify even after level 2 is released. TabAtkins stated that he still believes that the inclusion of subgrid in level 1 will cause too much of a delay to implement before shipping. The discussion will continue on the mailing list with sylvaing recommending a focus on use-cases instead of general speculation on what adopters may or may not do.keyframes all revolved around reaching consensus on how browsers implement the spec. Sylvaing will solicit feedback from the browsers to ascertain the best path to compatibility and then move to solve the other issues.custom-ident values, but there still isn’t a clear path on how to decide what other keywords should be excluded. Discussion will continue on the mailing list.