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.
image-fit: auto;
issue at Opera’s request:contain
for video/*
and fill
for everything else, and mark it as possibly removed in the future.image-fit
and image-position
to CSS3 Image Values, mark as possibly moving again to CSS3 Generated and Replaced Content once that draft is under active editorship.