Just found a previous post on the same topic that links to an article that describes the changes between 4.2 and 5.0: http://news.ycombinator.com/item?id=42760

Just found a previous post on the same topic that links to an article that describes the changes between 4.2 and 5.0: http://news.ycombinator.com/item?id=4276088 http://news.ycombinator.com/item?id=4276088