Patchnoter

Project Zomboid 42.20.1 (Build 42 Stable) patch notes

Live

  • 6documented changes
  • 6fixes
Open this patch in the reviewAll Project Zomboid patches

What changed

  • 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
  • FIXVehicles

    Fixed: vehicles could temporarily disappear for players after another player disconnected

    Fixed an issue where vehicles could temporarily disappear for players after another player disconnected

    Official source
  • FIXMultiplayer

    Fixed: errors and crashes that could occur when selecting Multiplayer while certain languages were selected

    Fixed errors and crashes that could occur when selecting Multiplayer while certain languages were selected

    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
  • FIXMultiplayer

    Fixed: players switching from b41 to B42 could be met with a missing menu

    Fixed an issue where players switching from b41 to B42 could be met with a missing menu

    Official source
  • FIXPerformance

    Fixed: a memory leak that could lead to performance degradation and crashes over time

    Fixed a memory leak that could lead to performance degradation and crashes over time

    Official source

Full patch notes from The Indie Stone

Read it on the official page

Notes

  • While this update should not break saves, if you encounter any bugs please ensure you can replicate them on a fresh save with no mods installed before reporting them to our team here .

MP

  • Improved Lua checksum validation for multiplayer anti-cheat
  • Fixed an issue that caused significant performance problems with chunk unloading on multiplayer servers
  • This should fix most of the bugs players were getting on high-pop servers due to server lag
  • Fixed errors and crashes that could occur when selecting Multiplayer while certain languages were selected
  • Fixed an issue where vehicles could temporarily disappear for players after another player disconnected
  • Fixed an issue that would allow broken B41 worlds to be hosted on B42 servers
  • Fixed an issue where players switching from b41 to B42 could be met with a missing menu

FIXES

  • Improved memory usage by reusing discarded world data
  • Fixed a memory leak that could lead to performance degradation and crashes over time
  • If you continue to encounter an out of memory error in a new save, please submit a bug report with your logs and profiler video from debug so the team can investigate
  • Fixed a rare exception that could occur during exploration

TECHNICAL/DEBUG

  • Added the ability for mods to write .json files
  • Fixed percent symbol handling in translation files
  • Mod translations should use %% to display % characters
  • As always, discussions regarding this update can be found pinned to the Project Zomboid Discussions Forums here .