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RimWorld
RimWorld
IndieSimulationStrategy
Ludeon Studios · Ludeon Studios·$34.99
Jul 22, 2025 · 13mo ago

Update 1.6.4528 released

AI summary1mo

Update 1.6.4528 focuses on bug fixes and performance optimizations for the Odyssey expansion, specifically targeting gravship mechanics, glowforest stability, and general game engine efficiency.

Buffs8

  • VulturesVultures are now more resistant to rot stink and other environmental toxins.Increased
  • Animals Specialist
    • Fishing:Animals specialist now increases fishing speed.Increased
    • Fishing:Animals specialist now increases fishing yield.Increased
  • Glowforest
    • Reduced movement difficulty for caravans traveling through the glowforest.Reduced
    • Reduced the frequency of diseases occurring in the glowforest.Reduced
  • GravcoresRemoved HP from gravcores to prevent them from being accidentally destroyed.ValueRemoved
  • GravshipsShield Generator:Gravship shield generator now correctly blocks mortars.NoYes
  • GeneralSwimming:Removed the -3 soaking wet thought when swimming for recreation.-3Removed

Nerfs1

Bug fixes2

  • PsilocapsPsilocaps now correctly have a chance to inspire colonists or induce a catatonic state, aligning behavior with their description.
  • GeneralFixed significant performance drops when the world map or terrain tab is open.SlowFixed

Other changes4

  • GlowforestGeneral performance improvements specifically for the glowforest area.
  • Gravships
    • Disabled gravship landing on worshipful villages.AllowedDisabled
    • World map can no longer be opened during the gravship cutscene.AllowedDisabled
  • GeneralOverall reduction in memory usage and improved load times on Mac.Reduced

subjects affected (8)

tap to see balance history

How did this patch land?
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official notes
RimWorld · Jul 22, 2025

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Patch history

see all 59

  1. Update 1.6.4850 releasedJun 8, 2026 · 2mo

    A small update focusing on stability, bug fixes for space/gravship mechanics, and wealth balancing for ancient bridges.

    +41
  2. Update 1.6.4630 releasedOct 31, 2025 · 10mo

    A small update focused on bug fixes, performance optimizations, and stability improvements, particularly regarding gravships, void structures, and pawn behaviors.

    +4
  3. Update 1.6.4543 releasedAug 6, 2025 · 12mo

    A small update focusing on bug fixes, stability improvements, and quality-of-life adjustments for quest shuttles, pathing, and the Archonexus ending.

    +6
  4. Update 1.6.4535 releasedJul 29, 2025 · 13mo

    Update 1.6.4535 focuses on fixing numerous bugs related to the Odyssey expansion, specifically regarding gravships, room vacuum, and corner-based interactions, alongside minor balance tweaks to psilocaps and genes.

    +31
  5. Update 1.5.4104 releasedMay 24, 2024 · 27mo

    A small update focusing on Anomaly expansion refinements, ghoul behavior improvements, and a wide array of bug fixes across all expansions.

    +7
  6. Update 1.4.3704 releasedApr 19, 2023 · 40mo

    Update 1.4.3704 focuses on fixing colonist assignment resets during caravan travel and improving various UI tooltips and descriptions.

  7. Update 1.4.3682 releasedMar 28, 2023 · 41mo

    Update 1.4.3682 focuses on stability fixes, correcting pawn relationship logic, and refining mechanoid stagger behavior.

    +42
  8. Update 1.4.3641 releasedFeb 15, 2023 · 43mo

    A small maintenance update focusing on Biotech expansion fixes, UI scaling corrections for DSR, and various bug fixes across gameplay systems.

    +6

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