Difference between build 40 and 41
Things added in 41
-New tutorial
-A new map system
-A very large Louisville city to explore

-New Gameplay Styles
-New challenges
Kingsmouth, Studio
-Foraging overhaul
How the new foraging system works
-New inventory slots

-New thermal / body temperature system

-New Tailoring system for clothing repairs
-New Fitness / Exercise system
-New emote system

-New water visuals
-New fog visuals
How Does Fog Affect Zombie Vision
-New levelling system
-New VHS, and CDs system
-Broken glass and related injuries
What are the benefits of wearing gloves when dealing with broken glass?
-3D Store Mannequins

-Working washing machines and driers
How to clean and dry clothes in project zomboid
-Server-side saving
-New radial menu for reloading firearms

-New game cursor
-New loot balance
-Isometric aiming cursor
-A gigantic list of fixes and QoL improvements
For more information about the latest updates and what's coming next, check out our guides on Build 41 vs Build 42 differences and what's new in Build 42.