Patchnoter

Server changes in Project Zomboid

Latest change 42.20.3 (Build 42 Stable) ·

  • 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
  • FIXServer

    Addressed the issue with dedicated server backups, they were incomplete compared to b41

    Official source
  • 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.
    Official source
  • 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.
    Official source

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.
    Official source