https://groups.google.com/forum/#!ms...4/U9TVBE_gqNoJ
Nearest enemy is classic works almost exactly like tab targeting I didn't even notice they took it out, try this out. You basically look at what you want to target, but you may have to move a bit. Its how I've always played, I prefer it to tab because you can go between 2 enemies in a mix of 6 or whatever.
I didnt even notice this but, I've never used tab targeting only this, as none of my hotkeys are affected by the patch haha, lucky me!