Why I'm Ditching CoffeeScript

I'd be tempted to fork if it were me.

IE6? They insist on supporting IE6???

The jQuery guys finally figured out what a really amazingly horribly bad idea it was spend support and dev effort on old versions of IE. The Coffeescript guys will figure it out sooner or later.

tl:dr; pull request gets rejected, author enters a drama queen mode taking it personally and over emotionally.