For folks wondering about what the "CoffeeScript is about to get even more interesting" bit is about, it's just the past month of changes since 0.9.4, which are

For folks wondering about what the "CoffeeScript is about to get even more interesting" bit is about, it's just the past month of changes since 0.9.4, which are considerable indeed: https://github.com/jashkenas/coffee-script/compare/0.9.4...master https://github.com/jashkenas/coffee-script/compare/0.9.4...m... If this article inspires you to get started, and you don't mind doing a little bit of legwork to figure out syntactic changes, I'd recommend starting with master instead of 0.9.4.