Through Patch 1.03 of The Last of Us, several multiplayer fixes comes to effect. Also in the patch comes a brand new multiplayer mode for free called Interrogation.
Interrogation is a 4V4, two-part objective mode where rival factions fight to find and open the other’s lockbox, stealing their supplies inside. Each faction must first get 5 interrogation of players on the opposing team.
More info on the mode and other things in Patch 1.03 are at the PlayStation Blog.