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Oxygen Not Included
Oxygen Not Included
IndieSimulation
Klei Entertainment · Klei Entertainment·$24.99
Feb 2, 2018 · 103mo ago

[Preview Update] - Hotfix 253538 and a note about priority

AI summary1mo

A major update introducing a Job system with permanent perks, attribute leveling changes, and several hotfixes addressing stability and building behavior.

Buffs6

  • Jobs System
    • Job perks are now permanent once a job is mastered, rather than temporary.Permanent
    • A larger number of Duplicants can now be assigned to a single job.Increased
  • Steam Turbine
    • The Steam Turbine can now be controlled via logic signals.Added
    • The Steam Turbine now accepts steam at lower temperatures, increasing viability.Reduced
    • The turbine no longer requires steam to be present in the tile directly above it to function.Requires steam aboveWorks without steam above
  • GeneralThe Coal Generator can now be controlled via logic signals.Automatable

Nerfs1

  • DuplicantsThe maximum base level for attributes has been reduced to 20.20

Bug fixes1

  • GeneralFixed numerous crashes related to transfer arms, logic doors, Auto-Sweepers, and save loading.

Other changes9

  • Duplicants
    • The strength attribute has been reintroduced to determine how much a Duplicant can carry.RemovedAdded
    • Athletics is now rolled separately from other attributes and is no longer directly buffed by jobs.
    • Anemic:The Anemic trait now impacts athletics instead of strength.strengthathletics
  • Jobs System
    • Job management is now restricted to the Jobs Desk building.Jobs Desk
    • Job-related subpriorities have been completely removed to simplify Duplicant behavior.ActiveRemoved
  • Priority System
    • The priority scale has been standardized to 1-9.1-9
    • Jobs now affect priority within a single level (e.g., preferring one prio 5 task over another) rather than overriding higher priority levels.Across levelsWithin level
  • Auto-SweeperFixed an issue where Auto-Sweepers had overly aggressive or incorrect item placement logic.Fixed
  • GeneralIncreased the specific heat capacity of Igneous Rock, Magma, and Rock Gas to 1.1

subjects affected (6)

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How did this patch land?
🔗
official notes
Oxygen Not Included · Feb 2, 2018

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Patch history

see all 100

  1. [Game Update] - 744825Jul 28, 2026 · 2d

    A small update focusing on bug fixes for Duplicant teleportation, building deconstruction, and various memory and graphics optimizations.

    +1
  2. [Game Update] - 740622Jul 7, 2026 · 3w

    This update focuses on the Aquatic Planet Pack, improving Minnow's traits, adjusting critter behaviors, and fixing various stability and visual bugs across multiple DLCs.

    +5
  3. [Game Update] - 737790Jun 17, 2026 · 1mo

    A quality-of-life and bug-fix update focusing on the Prehistoric and Aquatic Planet Packs, improving critter interactions, and fixing various system stability and visual issues.

    +11
  4. [Game Update] - 737195Jun 12, 2026 · 1mo

    A small update focusing on stability fixes and corrections for the Aquatic Planet Pack and Spaced Out! DLC.

    +1
  5. [Game Update] - 720580 & 720697Apr 2, 2026 · 3mo

    A series of bug fixes addressing insulated doors, power generators, UI input issues, and stability for the Bionic Booster Pack.

    +4
  6. [Game Update] - 707956Jan 16, 2026 · 6mo

    A small stability update addressing crashes related to critter feeding and mess station deconstruction, along with a rocket return fix for Spaced Out!

    +1
  7. [Game Update] - 706793Jan 12, 2026 · 6mo

    A series of stability fixes and bug corrections focusing on Duplicant behavior, Printerceptor mechanics, and general game crashes.

    +1
  8. [Game Update] - 704096Dec 11, 2025 · 7mo

    Minor bug fixes regarding Duplicant suit checkpoints and composting behavior.

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