Saber Interactive today released World War Z Update 1.04, this update only affects Playstation 4.
Client Patch 1.04 is supposed to be just a PS4 hotfix so no new content will be added and the download is very big at 10GB. Below is the official patch notes for the hotfix.
World War Z Patch Notes 1.04 – PS4 Update
- Fixed frequent crashes on a loading screen.
- Fixed frequent crashes affecting PS4 Pro users.
- Fixed a large number of gameplay crashes.