https://www.gamespot.com/articles/god-of-war-ps4s-new-game-plus-update-out-now/1100-6461266/

An anticipated update for PS4's God of War launches today, August 20. Its biggest feature is the introduction of New Game Plus mode, although that's not all it has in store--it also includes some changes for those who have not yet completed their initial playthrough. [Update: The update is now live on PSN.]