A lot of things happened during 4.0 and this one. I found interest in nostalgic designs, Alex got his haircut, ditched his shoes for sandals, went back to the old colour scheme, and that's pretty much it. 5.0 gives the headphones an update as well. It how has g l o s s, because why not? no loud nois- oh screw it. i know what you're all gonna do, and it's going to be a painful process for poor little Alex...