https://docs.djangoproject.com/en/dev/releases/5.0/
刷版本挺快的，对于老玩家感觉挺糟糕的，到 x.2.x 就结束了。当然好处是对提高社区活跃度有好处，版本变化明显
x.2.x
Still ugly. Far behind Rails. Not even catch up with Rails 3.
