Server changes in Project Zomboid
- 40documented changes
- 22patches
- 4new
- 29fixes
Every documented change to Server
40 changes across 22 patches, newest first
42.20.3 (Build 42 Stable) Monday, 17 August 2026
- CHANGEServer
Improved server player limit handling, including support for up to 254 players
Servers handle their player limit better, now allowing up to 254 players and letting administrators join even when the server is full.
Improved server player limit handling, including support for up to 254 players and administrator access when servers are full
Official source
42.20.1 (Build 42 Stable) Wednesday, 5 August 2026
- FIXServer
This should fix most of the bugs players were getting on high-pop servers due to server lag
Multiplayer servers no longer slow down badly when unloading chunks, which should clear up most of the lag-related bugs on busy servers.
Official source - FIXServer
Fixed: an issue that would allow broken B41 worlds to be hosted on B42 servers
B42 servers can no longer host broken worlds carried over from B41.
Fixed an issue that would allow broken B41 worlds to be hosted on B42 servers
Official source
Build 42 Stable (42.20.0) Wednesday, 29 July 2026
- FIXServer
Fixed: footwear condition not appropriately syncing with the server
Fixed footwear condition not appropriately syncing with the server
Official source - FIXServer
Fixed: server option HidePlayersBehindYou not correctly applying when disabled
The HidePlayersBehindYou server option now works correctly when it is turned off.
Fixed server option HidePlayersBehindYou not correctly applying when disabled
Official source - FIXServer
Fixed: an issue that could cause servers to hang during chunk generation
Servers should no longer freeze while generating new chunks of the map.
Fixed an issue that could cause servers to hang during chunk generation
Official source
42.19.0 (Build 42 Unstable) Monday, 1 June 2026
- FIXServer
Fixed: an exploit that allowed players to download server map data
Fixed an exploit that allowed players to download server map data
Official source - FIXServer
Fixed: a server-side exception when attempting to add/remove an animal corpse to/from a trailer
Adding an animal corpse to a trailer or removing one no longer causes a server error.
Fixed a server-side exception when attempting to add/remove an animal corpse to/from a trailer
Official source
42.18.0 (Build 42 Unstable) Monday, 11 May 2026
- FIXServer
Fixed: Server option “Show First And Last Name”
The Show First And Last Name server option now works properly.
Fixed Server option “Show First And Last Name”
Official source - FIXServer
Fixed: burned drying racks causing server-side exceptions spam
Fixed burned drying racks causing server-side exceptions spam
Official source - FIXServer
Fixed: the server connection screen info not displaying properly
Fixed the server connection screen info not displaying properly
Official source
42.17.0 (Build 42 Unstable) Monday, 20 April 2026
- FIXServer
Fixed: a rare server crash when driving vehicles
Fixed a rare server crash when driving vehicles
Official source - FIXServer
Fixed: Spawn with Self server setting respawning player in a random spot
The Spawn with Self server setting no longer respawns players in a random spot.
Fixed Spawn with Self server setting respawning player in a random spot
Official source
42.16.0 (Build 42 Unstable) Tuesday, 31 March 2026
- FIXServer
Fixed: Servers duplicate in the Internet Tab after refreshing
Fixed Servers duplicate in the Internet Tab after refreshing
Official source
42.15.0 (Build 42 Unstable) Monday, 9 March 2026
- FIXServer
Fixed: multiple server-side and client-side errors
Fixed multiple server-side and client-side errors
Official source - FIXServer
Fixed: a server crash
Fixed a server crash
Official source - FIXServer
Fixed: pressing the Back button while starting a host server not stopping the server
Fixed pressing the Back button while starting a host server not stopping the server
Official source - FIXServer
Fixed: server option Drop off white list after death not working
The server option that removes players from the whitelist when they die now works.
Fixed server option Drop off white list after death not working
Official source
42.14.0 (Build 42 Unstable) Monday, 16 February 2026
- FIXServer
Fixed: being unable to connect to a closed steam server with an existing account until you add a user steam ID
Fixed being unable to connect to a closed steam server with an existing account until you add a user steam ID
Official source - FIXServer
Fixed: PlayerBumpPlayer option resulting in player's freeze when enabled on server
Turning on the PlayerBumpPlayer server option no longer freezes players.
Fixed PlayerBumpPlayer option resulting in player's freeze when enabled on server
Official source - CHANGEServer
Re-implemented the option to disable War on server
Server hosts can once again turn off War on their server.
Official source - Official sourceFIXServer
Addressed the issue with dedicated server backups, they were incomplete compared to b41
- FIXServer
Fixed: Custom roles capabilities not saving after server restart
Custom server roles now keep their permissions after a server restart.
Fixed Custom roles capabilities not saving after server restart
Official source
42.13.2 (Build 42 Unstable) Monday, 19 January 2026
- FIXServer
Fixed: server crash caused by pipe bombs
Fixed server crash caused by pipe bombs
Official source
42.13.1 (Build 42 Unstable) Thursday, 18 December 2025
- FIXServer
Fixed: not being able to remove servers from Favorites
Fixed not being able to remove servers from Favorites
Official source - FIXServer
Fixed: server crashes caused by colliding with an animal while inside a safehouse
Fixed server crashes caused by colliding with an animal while inside a safehouse
Official source
Build 42 Multiplayer (42.13.0) Thursday, 11 December 2025
- CHANGEServer
We do not recommend having more than 20 player-slots on your Dedi servers for now
We do not recommend having more than 20 player-slots on your Dedi servers for now.
Official source
41.78.13 (Build 41) Tuesday, 29 November 2022
- NEWServer
Added AllowCoop server option to allow or disallow splitscreen clients
Servers can now allow or block splitscreen players with the new AllowCoop option.
Added AllowCoop server option to allow or disallow splitscreen clients.
Official source
41.78.3 (Build 41) Wednesday, 26 October 2022
- FIXServer
Fixed: not being able to host locally with a nonsteam server
Fixed not being able to host locally with a nonsteam server.
Official source
41.78 (Build 41) Thursday, 20 October 2022
- NEWServer
Added server option "KnockedDownAllowed" to enable/disable the PVP knockdown
Servers get a new "KnockedDownAllowed" option to turn off PVP knockdowns, as a stopgap to make PVP fights less frustrating.
Added server option "KnockedDownAllowed" to enable/disable the PVP knockdown.
- Added server option "KnockedDownAllowed" to enable/disable the PVP knockdown. This is a stopgap change to give servers an option to make PVP combat less frustrating before we can address PVP combat more directly in the future.
- FIXServer
Fixed: a bug that didn't display mods in the mod list of a server in the ESC menu
Fixed a bug that didn't display mods in the mod list of a server in the ESC menu.
Official source
41.77 (Build 41) Tuesday, 27 September 2022
- FIXServer
Fixed: connecting to host after disconnection from a dedicated server
Fixed connecting to host after disconnection from a dedicated server.
Official source
41.76 (Build 41) Thursday, 8 September 2022
- CHANGEServer
Loading screen now shows the download status of large files when connecting to a server
Loading screen now shows the download status of large files when connecting to a server.
Official source
41.72 (Build 41) Thursday, 7 July 2022
- NEWServer
Added MapRemotePlayerVisibility server option to the server-settings editor and admin panel
The new map player visibility option can also be set from the server-settings editor and the admin panel.
Added MapRemotePlayerVisibility server option to the server-settings editor and admin panel.
Official source
41.71 (Build 41) Sunday, 22 May 2022
- FIXServer
Fixed: editing server spawn regions with a controller
Fixed editing server spawn regions with a controller.
Official source
41.68 (Build 41) Monday, 7 March 2022
- CHANGEServer
Limit the "mods" string . A new keyvalue "modCount" reports the actual number of mods used by the server
Server listings now shorten long mod lists and show "... and N more", which fixes servers showing ??? as their version and blocking people from joining.
Limit the "mods" string .
- Limit the "mods" string reported by Steam servers to 128 characters. A new keyvalue "modCount" reports the actual number of mods used by the server. The server browser and favorites list will display "... and N more" after the list of mods, when there are more mods than are displayed. This is to fix some servers reporting ??? as their version number, which prevents people from joining.
41.67 (Build 41) Friday, 4 March 2022
- CHANGEServer
Anti-cheats are disabled by default for co-op hosted servers
Co-op servers hosted by a player now have anti-cheat turned off by default.
Official source - FIXServer
This is to fix some servers reporting ??? as their version number
Servers should no longer show ??? as their version number, which stopped people from joining them.
This is to fix some servers reporting ??? as their version number, which prevents people from joining.
Official source - NEWServer
Added server option "SafehouseAllowNonResidential" to allow claiming all buildings
Server owners can turn on the new SafehouseAllowNonResidential option so players can claim any building as a safehouse.
Official source
Build 41 (41.65) Monday, 20 December 2021
- CHANGEServer
Server-side saving: MP save system now in a server-side database
Multiplayer saves are now stored in a database on the server, so real-life power outages no longer lose your cars.
Server-side saving: MP save system now in a server-side database.
- Server-side saving: MP save system now in a server-side database. Offline SP-side, also means no more lost cars via irl power outages.