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.
pointer-events applied to HTML (not just SVG). Only two values are supported: auto and none.color-correction addition.start and end values to float (CSS3 Box Model)