42.20.1 STABLE Hotfix Released

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.