
🛠️ RimWorld update history
Official announcements the developer posts on Steam—patches, new content, and events—sorted by date. Click a title to read the full post.
October 2026
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10/13Tue🛠️ Patch / update v1.7Announcing the Waylith Engine and Update 1.7
Hey everyone, big news today! We’re announcing update 1.7, which moves RimWorld from Unity to the Waylith Engine, our own in-house engine built by Ludeon Studios. The game looks and plays exactly the …
August 2026
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8/1Sat📢 AnnouncementThe Jugust merch caravan has arrived!
Howdy, the traders are here! They've brought a summer-y RimWorld merch collection with them. The caravan closes up shop on August 24, so get yours now. The new collection includes a plush warg to watc…
July 2026
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7/30Thu📢 AnnouncementGet the RimWorld x Project Zomboid bundle
Hey everyone, I'd like you to meet the survivors of Knox Country! Project Zomboid just dropped their huge B42 update, and we put together this bundle with them to celebrate the moment. If you've ever …
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7/14Tue📢 AnnouncementRimWorld x Abiotic Factor bundle out now
Hey all, our scientists just finished researching a new bundle: RimWorld x Abiotic Factor! It's Abiotic Factor's birthday and they've released their Anniversary update to celebrate. 🎉 It even features…
June 2026
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6/9Tue🛠️ Patch / update v1.6.4850Update 1.6.4850 released
Hey everyone, we’re back with a small update for RimWorld and the expansions today. Check out the changelog below. This update should be compatible with all savegames and mods. Have a bug to report? Y…
March 2026
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3/28Sat📢 AnnouncementRimWorld x Going Medieval bundle now available
Hey there everyone, Going Medieval just launched in 1.0 and we're bundling RimWorld with them in the Fortresses and Frontiers Bundle! You get 10% off with the bundle, or 10% off the other game if you …
November 2025
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11/28Fri📢 AnnouncementThe winter merch collection is here! ❄️
Hey everyone, a holiday trade caravan just arrived! 🎁 We’ve got a fresh RimWorld winter collection as well as beloved items from past drops, so this is your chance to grab something if you missed it l…
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11/5Wed📢 AnnouncementHappy birthday, RimWorld!
Get out the lavish meals and chocolate - RimWorld is 12 years old today! 🎂🍫 As part of our celebrations, we're running a birthday community event to celebrate the game and everyone who plays it. 🎉 We …
October 2025
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10/31Fri🛠️ Patch / update v1.6.4630Update 1.6.4630 released
BOO! Happy Halloween! 🎃💀 On this spooky day, we’ve got a small RimWorld update loaded with fixes. They’re listed below in the changelog. This update should be compatible with all savegames and mods. H…
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10/11Sat📢 AnnouncementBring home a thrumbo and boomalope!
Hello everyone, our new RimWorld thrumbo figure and boomalope nightlight are now available on YouTooz: https://youtooz.com/collections/rimworld! It's a limited edition campaign, so get yours before it…
August 2025
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8/29Fri🛠️ Patch / update v1.6.4566Update 1.6.4566 improves gravships, shuttles, and more
Hello everyone, we’ve got a content update for RimWorld today! Gravships have received some quality-of-life changes. The new gravship launch interface lets you get your colony's animals and mechanoids…
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8/6Wed🛠️ Patch / update v1.6.4543Update 1.6.4543 released
Hi everyone, we just released a small update for RimWorld. Have you reached Odyssey’s ending? There’s now a new epic song that plays! We also fixed an issue where quest shuttles attempted to land on w…
July 2025
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7/29Tue🛠️ Patch / update v1.6.4535Update 1.6.4535 released
Hello, we’re back with another update for RimWorld! If you need to report a bug, or you’re having a problem while playing, please join us on the official RimWorld development Discord. Today’s update f…
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7/23Wed🛠️ Patch / update v1.6.4528Update 1.6.4528 released
Hello! It’s been almost 2 weeks since Odyssey came out, and we’ve been hard at work fixing bugs and incorporating your feedback. If you’d like to help us by reporting a bug, please join the official R…
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7/11Fri✨ New content v1.6Odyssey expansion and update 1.6 out now!
The RimWorld - Odyssey expansion is out now! https://store.steampowered.com/app/3022790/RimWorld__Odyssey/ We’re celebrating Odyssey’s release with a sale on all past RimWorld products. Get 20% off Ri…
Source: official Steam announcements (updated every 6–24 hours). Titles and summaries are copyright of the original developers.