He's more outgoing than he used to be. More willing to talk to people and less awkward on an interpersonal level by all accounts. Though that really isn't saying much. I think he has a bit more experience with people in general and is less stuck inside of his own head.
When Chris was "discovered" he was seriously a mid 20's nerd who never left his room. He graduated high school, and then just locked himself away for years on end. Every relationship he had in that time period was very distant at best. He was never really "close" with anybody. I think that's changed a bit, but while he used to be anxious and inexperienced, now he's cynical, paranoid, violent, and openly deranged. Keep in mind, this guy's major social experiences of the past few years have been with internet trolls. It does not produce a well adjusted human being