DevelopmentTools
Compat 2021 mid-year update: Flex gap everywhere
Firefox, Safari, and Chrome have improved their browser compatibility score.
DevelopmentResources
Compat 2021 holiday update
Presents for developers before the end of the year.
DevelopmentOpinions
State of CSS 2021: a look at some of the results
How the survey results map with upcoming CSS features.
DevelopmentTalks
Interview with Björn Ottosson
A talk with the creator of the popular Oklab color space.