Well, the story was that they were having trouble with the Y Axis (up and down?), so they couldn't do jumping. People thought it was unrealistic, so now they have the animation for it, but you don't get any height off it.
I think dual wielding should be in, but I'm not too bothered that it's not. If it was, you would see a lot of Pistoleers with dual pistols, and armor on that looks like Mandalorian.
As far as things that I think they should have kept in, or should have put in...I'm not sure. At this point it seems like it's coming along nicely.