From IGN: “eveloper Saber Interactive, who was recently acquired by the Embracer Group for an industry-rattling $525 million, has announced World War Z. World War Z: Game of the Year Edition. The new package for the co-op third-person shooter will include new content such as weapon packs, character packs, and most notably a new three-mission PvE episode set in the French city of Marseille (see gameplay from Marseille in the video below). It also packs in all of the previously released DLC. A Nintendo Switch version is also in development, though no release date has been confirmed.”
Source: N4G PC World War Z Gets New Content in GOTY Edition, Nintendo Switch Version Announced