Mesh gradients!!! This is something I’ve personally wanted in CSS since I started giving talks on mixing layered gradients with blend modes in 2016
After the CSSWG resolved to explore mesh gradients, the chair also made me an editor of the CSS Images 5 spec. 😱 FYI, I have absolutely no idea what I'm doing, but thankfully I have help from some very clever people. Sadly I will have to spec what happens if someone makes a mesh gradient like this: