42.20.1 STABLE Hotfix Released
Hotfix patch 42.20.1 STABLE addresses multiplayer performance, stability, and localization issues, plus minor technical improvements for mods and translation handling.
▲Buffs1
- MPLua checksum validation:Enhanced Lua checksum validation for multiplayer anti-cheat to reduce false positives and improve security.Improved→Improved
✚Bug fixes3
- FIXES
- Fixed a memory leak that could lead to performance degradation and crashes over time.
- If you encounter an out of memory error in a new save, submit a bug report with logs and profiler video.
- Fixed a rare exception that could occur during exploration.
◆Other changes10
- MP
- Fixed significant performance problems with chunk unloading on multiplayer servers.
- This should fix most bugs 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.
- FIXESImproved memory usage by reusing discarded world data.
- 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.
subjects affected (3)
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Patch history
- →42.20.3 STABLE Hotfix ReleasedAug 17, 2026 · 1d
Hotfix 42.20.3 STABLE improves server handling, memory stability, and rendering glitches, with general memory optimizations and lighting fixes.
- →42.20.2 STABLE Hotfix ReleasedAug 5, 2026 · 1w
Hotfix 42.20.2 stabilizes text handling for percent signs, improves mod compatibility, and enhances FPS/memory debug output.
- 42.16.2 UNSTABLE Hotfix ReleasedApr 8, 2026 · 4mo
Hotfix 42.16.2 focuses on improving gamepad controls, specifically fixing UI interactions, vehicle behavior, and aiming conflicts.
+6→ - 42.16.1 UNSTABLE Hotfix ReleasedApr 2, 2026 · 4mo
A hotfix addressing server browser privacy, multiplayer connectivity crashes, and character creation exploits.
−1→ - 42.15.2 UNSTABLE HOTFIX ReleasedMar 11, 2026 · 5mo
Hotfix 42.15.2 addresses critical loading issues with usernames and fixes animal rope behavior.
+1→ - →42.15.1 UNSTABLE HOTFIX ReleasedMar 10, 2026 · 5mo
Hotfix 42.15.1 addresses a critical game loading issue related to usernames.
- 42.14.1 BETA HOTFIX ReleasedFeb 18, 2026 · 6mo
Hotfix 42.14.1 addresses various single-player and multiplayer bugs, including vehicle-zombie attraction and item interaction issues.
+2→ - 42.13.2 UNSTABLE HOTFIX ReleasedJan 19, 2026 · 7mo
Hotfix 42.13.2 focuses on multiplayer stability, animal behavior fixes, and various quality-of-life corrections for building and crafting.
+9→
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