"This includes support for emerging formats and technologies like Web Components, CFF, WebP, SVG 2.0, a top-notch, multiweight, unicode-mapped icon web font implementation, SVG animation and a powerful SVG DOM injection tool"
Now, that said, I've longed for an alternative to Illustrator. I like your thinking around the DSL, but because this is all inherently visual work, nothing will become widely adopted until the visual design tools supporting the standard are excellent.