Being the second free update for Tom Clancy's The Division, the Conflict update is coming out next week, on May 24. Conflict's content is split into two categories, new activities and new items. The 1.2 update will bring Clear Sky, new Incursion, into the game. The developer also plans to introduce a few changes to Dark Zone, such as Hijack Extractions and Sealed Caches. You can read a more detailed description of the update at the official blog.
Lastly, here's the Conflict trailer: