I really think people should slow down on the "ubisoft r evil" posts. For all we know the only reason these effects aren't in the game is because they're buggy and unfinished. Just look at the difference in quality between the headlight shadows and regular shadows. And the bokeh DoF is still in the game, just on a subtler level. Ubisoft aren't evil, they don't hate PC gamers, and this isn't for platform parity.
The E3 2012 demo didn't have this type of DoF, and it didn't have headlight shadows. I'm not going to comment on whether there was a downgrade or not, but don't direct criticism where none is due. These effects are clearly not of good enough quality for Ubisoft to put them in themselves.
Here's proof on the headlight shadows by the way: