Nice job with the mod so far, there are a few things I would look into. I dont know if the defrost time has change but it seemed like you could be defrosted by one person much faster than before, or if two people were defrosting it didnt give the points to he second person. I do like that the health packs dont always fall under the frozen persons body though, only happened to me once and I think it was because the guy was next to a wall when shot. If you pull back on the crossbow a bit it should be fine, although I think a lot of people will grow to hate it quite fast.
One kinda odd thing, not really involved in the game play, was the colors of the teams on the score sheet and when typing in game. They seemed opposite from what you would assume. I did like the new SAS (I think) symbol though, that was cool looking.
I haven't had connection issues really, I did lose connection once and when I came back had to start all over at 55 again but that may have been because it was my first time on the server so it didnt have a chance to save anything. Overall looking good though, I will play some more and report back anymore findings.