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.
resize: both for textarea user-select: none proposed here that Florian was actioned to investigateuser-select: none regarding its use in template-based editinguser-select must not apply to ::first-line or ::first-lettersideways-left, but the proposed options will go into the ED of Writing Modes with an invitation for input on a solution.