The Division 2 stands to evolve and improve upon the experience offered by its predecessor, and some refinements made to the Dark Zone set to help it achieve that goal. One of the new additions is that of a Rogue system, which sets to both punish and reward your actions (depending on how you look at it) when battling out on the streets of Washington D.C.
Source: N4G PC The Division 2 Dark Zone: How To Go Rogue