At least February is the shortest month so if it releases on the last day we don't have to wait quite as long as if it came out in any of the other months.
I have the same problem, started the game and it said they were not compatible with the latest game version. I downloaded all the files yesterday around 1:30 PM EST.
I have LSPD:FR+, Arrest Manager, Assorted Callouts, and Traffic Policer. All of them say they are not compatible.