https://wccftech.com/nier-replicant-ver-1-22474487139-new-trailer-showcases-additional-content/

A new NieR Replicant ver.1.22474487139... trailer has been released online, showcasing the game's additional content.

The new trailer showcases, among other things, the 15 Nightmares high-difficulty dungeon, which was released for the original game as DLC, several extra costumes, including those included in the 4 YoRHa free DLC pack and the extra episode, Mermaid.