Update 1.4.3580 focuses on a wide array of bug fixes, stability improvements for Linux, and quality-of-life adjustments for children, bestowers, and modders.
Images © RimWorld via Steam
▲Buffs4
- ChildrenChildren are now less likely to run headfirst into danger, and nature running learning now checks for deadly danger in the region first.
- MechanoidsReduced the performance impact of idle mechanoids, improving game stability with many mechs.→Reduced
- FabricorFixed a bug where the Fabricor's food poisoning chance was 10 times too large.10x→1x
- GenesGene Extractor:The gene extractor float menu now displays the regrowing duration of genes if available.→Added
▼Nerfs1
- Tox ShellsReduced the explosive radius of tox shells when they are detonated by damage.→Reduced
✚Bug fixes4
- Children
- Radiotalking:Fixed an issue where radiotalking did not adhere to a child's allowed area.
- Fixed a bug where children caused the 'anima linking ready' alert to be active even when no adults could link.
- GenesXenogerm Creation:Fixed an issue where biostats calculated incorrectly for xenogerms created with three of the same gene.
- GeneralFixed horizontal sliders on Linux by creating custom sliders to bypass Unity's GUI.
◆Other changes4
- BestowersBestowers will now leave the map if exposed to dense tox gas or rot stink, preventing them from idling in poisonous environments.
- FabricorUpdated description to remove the mention of a slug gun, as it is no longer present.has slug gun→removed
- General
- Added null check for Trait.ToString() and a utility method for identifying hopper buildings for modders.→Added
- Updated UI to clearly display that bionic stomachs prevent gut worms.
subjects affected (7)
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Patch history
- Update 1.6.4850 releasedJun 8, 2026 · 1mo+4−1→
- Update 1.6.4630 releasedOct 31, 2025 · 8mo+4→
- Update 1.6.4543 releasedAug 6, 2025 · 11mo+6→
- Update 1.6.4535 releasedJul 29, 2025 · 11mo+3−1→
- Update 1.6.4528 releasedJul 22, 2025 · 11mo+8−1→
- Update 1.5.4104 releasedMay 24, 2024 · 26mo+7→
- →Update 1.4.3704 releasedApr 19, 2023 · 39mo
- Update 1.4.3682 releasedMar 28, 2023 · 40mo+4−2→
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