Much stronger recoil and spread/shot so you can't instantly burst people down unless they're very close to you.
Link weapon types to classes again, why the fuck did you get rid of that?
No individual characters, didn't you notice that everyone was against that from the last game?
Just fucking delete recon, nobody has ever done anything worthwhile with recon at any point ever. If you really really think some of his gadgets are important give them to assault.