Ruby Weekly is a weekly newsletter covering the latest Ruby and Rails news. Guess what? Yep, the forthcoming Rails 3.1 is going to be bringing in a few new friends as dependencies: CoffeeScript, jQuery, and Sass. What does this mean? Why has this been controversial? I'm going to quickly run through the details here. jQuery - A Non-Controversial Switch It was back in March (2011) when David Heineme