Jul 29, 2026
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4/5 Significant
Major content update introduces Gravship improvements, the Vacskin Gland prosthetic, and a 40% boost to world generation speed alongside the RimWorld x Abiotic Factor bundle.
Key Changes
- 1New Gravship launch interface for managing animals and mechanoids
- 240% faster 100% world generation and improved save loading times
- 3Added Vacskin Gland prosthetic for vacuum protection
- 4Starjack xenotype rebalanced with new 'low gravity adapted' gene
- 5Heavy bridges are now immune to explosion damage
- 6Added Ancient Bridges with 0 market value to manage colony wealth
- 7Fishing added as a dedicated work tab category
- 8Fixed exploit allowing Unnatural Corpses to be turned into nutrient paste
- 9Shuttle landing logic improved to prevent unnecessary roof destruction
- 10Added support for DDS texture loading to improve mod performance
All Changes
🚀Space & Gravships(8)
- newGravship: Added a new gravship launch interface to manage animals, mechanoids, and neutral pawns before takeoff
- newGravship: Added a 'view range' tool to the pilot console to visualize travel distance without initiating launch
- newMechanitor: Mechanitors can now summon mechanoid bosses while in space
- buffShuttle: Shuttles no longer destroy excessive roofing when landing inside buildings
- buffShuttle: Shuttles are no longer blocked from landing on items
- changeBridge: Bridges built in space now feature unique border artwork
- fixApparel: Pawns no longer automatically remove vacuum-resistant apparel when in a dangerous vacuum
- changeBestowing ceremony: Bestowing ceremonies can now be conducted while in space
🧬Colonists & Xenotypes(5)
- newVacskin Gland: Added the Vacskin Gland prosthetic which protects colonists against vacuum (requires Odyssey and Royalty)
- buffStarjack: Added 'low gravity adapted' gene to Starjacks, increasing speed and work efficiency in orbit
- buffSentience catalyst: Sentience catalyst now prevents farm animals from roaming away or being blocked by fences
- buffHermit crab: Hermit crabs no longer walk sideways and have significantly increased lifespans
- changeGhoul: Ghouls now exit shuttles in a drafted state like other colonists
⚙️Gameplay Systems(8)
- buffHeavy bridge: Heavy bridges are now completely immune to explosion damage
- newAncient bridge: Added Ancient Bridges and Ancient Heavy Bridges with 0 market value to prevent wealth spikes from ruins
- newFishing: Fishing has been added as a dedicated category in the work tab
- nerfMechhive: Final mechhive raid strength increased by 50%
- buffMechhive: Destroying a mechhive now grants +50 reputation with all factions and a longer-lasting moodlet
- newTimbershroom: Timbershrooms can now be sown in glowforests after researching tree sowing
- changeEmbryo: Embryos can now be set to 'forbiddable' status
- changeWorshipful village: Worshipful village raids now occur every 24 hours and are smaller in size
💻Performance & Technical(5)
- fixWorld Generation: Reduced time to generate a 100% coverage world by approximately 40%
- fixPerformance: Significantly reduced loading times for 100% world save files
- newModding: Added support for mods to load textures from DDS files for faster loading and higher quality
- fixPerformance: Implemented custom atlas packing to improve game startup speed and reduce memory usage
- fixPerformance: Optimized JobGiver_BoardOrLeaveGravship to improve pawn AI performance
🐞Bug Fixes(6)
- fixUnnatural corpse: Fixed an exploit where unnatural corpses could be permanently destroyed using nutrient paste dispensers
- fixBaby: Resolved an issue where babies born during shuttle flights were being deleted
- fixPawn: Fixed a bug causing pawns to spawn in space with vacuum suits even if their first home map was on a planet
- fixSieger: Fixed an issue where siegers would incorrectly respect player blueprints
- fixBills: Fixed a bug where items carried by lifters and animals were not counted toward bill requirements
- fixGeneral: Resolved over 100 additional technical issues related to quest generation, UI rendering, and pawn AI pathing
🎁Events & Bundles(3)
- newAbiotic Factor Bundle: Released the RimWorld x Abiotic Factor bundle featuring 20% discounts and cross-over cosmetics
- newRimWorld World: Announced the 'RimWorld World' theme park opening (April Fools event)
- newMerchandise: Released the Winter Merch Collection including Muffalo beanies and various creature plushes
📅Coming Soon(1)
- newSummer Collection: The Summer Collection merch drop arrives July 31, featuring Warg plushes and Colony Issued Research Notebooks
Summary
Content & Gameplay Overhaul
This series of updates introduces significant new systems for space-faring colonies. Gravships now feature a dedicated launch interface for managing animals and mechanoids, while the new Vacskin Gland prosthetic provides essential vacuum protection. The Starjack xenotype has been rebalanced with a new 'low gravity adapted' gene to improve orbital efficiency.
Technical & Performance Gains
Engine optimizations have drastically reduced loading and generation times, specifically making 100% world coverage generation 40% faster. Modders also gain support for DDS texture loading and improved animal ability systems.
Balance & Fixes
Key balance changes include making Heavy Bridges immune to explosions and rebalancing Mechhive raids to be more challenging but rewarding. Hundreds of bugs have been addressed, ranging from critical quest-breaking errors to minor graphical glitches like flipped sprites and incorrect labels.