According to official Steam patch notes, this update included:
: Item locations (pages, keys, medkits) are randomized in every match to ensure replayability. Difficulty Modes : Includes Normal, Hard, and Insane modes. Official Download & Safety
: A murderous, possessed Lunch Lady patrols the halls. Her speed and aggression scale as you collect more pages. Survival Mechanics :
: Expanded the roster of playable students, which players can unlock by leveling up.
: You can track current updates and official builds directly via the developer's Steam page.