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Project Zomboid
Project Zomboid
IndieRPGSimulation
The Indie Stone · The Indie Stone·$19.99
Oct 2, 2025 · 9mo ago

42.12.1 UNSTABLE Hotfix Released

AI summary3h

Hotfix 42.12.1 focuses on improving firearm targeting accuracy, fixing various building and item bugs, and providing critical fixes for modders.

Buffs3

  • FirearmsAdded priority logic for ballistic target colliders and camera selection, significantly improving the consistency of headshots across all firearms.Head > Spine > Pelvis
  • General
    • Fixed a performance drop occurring when player-made building code ran in cells without any buildings.DropStable
    • Fixed the issue preventing players from opening bottles of wine.UnopenableOpenable

Bug fixes7

  • General
    • Fixed missing BodyLocationGroup and WeaponCategory enum exposures in Lua, restoring functionality for clothing and weapon mods.Fixed
    • Fixed generators not updating toxic effects for player-made rooms when roofs are added or removed.StaticDynamic
    • Fixed an issue where ripping clean clothes gave dirty rags and vice versa.InvertedCorrect
    • Fixed animal traps not resetting the internal timer when a new animal is caught.Persistent timerReset timer
    • Fixed issues with roofs not cutting away and basement buildings incorrectly combining with above-ground structures.BuggedFixed
    • Fixed a bug where vehicle horns would only play twice.2 playsFixed
    • Fixed an infinite loop when calculating sheet rope capacity in underground areas.Infinite loopFixed

Other changes1

  • GeneralDisabled the visual system that blacked out unseen rooms while it is being reworked.Blacked outDisabled

subjects affected (2)

tap to see balance history

How did this patch land?
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official notes
Project Zomboid · Oct 2, 2025
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Patch history

see all 13

  1. 42.16.2 UNSTABLE Hotfix ReleasedApr 8, 2026 · 3mo

    Hotfix 42.16.2 focuses on improving gamepad controls, specifically fixing UI interactions, vehicle behavior, and aiming conflicts.

    +6
  2. 42.16.1 UNSTABLE Hotfix ReleasedApr 2, 2026 · 3mo

    A hotfix addressing server browser privacy, multiplayer connectivity crashes, and character creation exploits.

    1
  3. 42.15.2 UNSTABLE HOTFIX ReleasedMar 11, 2026 · 4mo

    Hotfix 42.15.2 addresses critical loading issues with usernames and fixes animal rope behavior.

    +1
  4. 42.15.1 UNSTABLE HOTFIX ReleasedMar 10, 2026 · 4mo

    Hotfix 42.15.1 addresses a critical game loading issue related to usernames.

  5. 42.14.1 BETA HOTFIX ReleasedFeb 18, 2026 · 5mo

    Hotfix 42.14.1 addresses various single-player and multiplayer bugs, including vehicle-zombie attraction and item interaction issues.

    +2
  6. 42.13.2 UNSTABLE HOTFIX ReleasedJan 19, 2026 · 6mo

    Hotfix 42.13.2 focuses on multiplayer stability, animal behavior fixes, and various quality-of-life corrections for building and crafting.

    +9
  7. 42.13.1 BETA HOTFIX ReleasedDec 18, 2025 · 7mo

    A comprehensive hotfix for the 42.13.1 Beta focusing on multiplayer stability, animal behavior, skill progression, and various critical bug fixes.

    +44
  8. Build 42.12.2 UNSTABLE Hotfix ReleasedOct 20, 2025 · 9mo

    Build 42.12.2 UNSTABLE Hotfix focusing on critical bug fixes for combat, stability, and security.

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