# RimWorld Update 1.6.4850 released - Product: RimWorld (https://whatsnew.fyi/product/rimworld) - Vendor: Ludeon Studios - Date: 2026-06-08 - Original notes: https://store.steampowered.com/news/app/294100/view/687507011804333827 - Permalink: https://whatsnew.fyi/product/rimworld/releases/2026-06-08-update-1.6.4850-released What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- - **changed** — Heavy bridges are now immune to explosion damage - **added** — Embryos are now forbiddable - **added** — Added ancient bridges and ancient heavy bridges with market value of 0 to prevent large wealth spikes when landing on maps that generate ruins over water - **changed** — Updated Royalty preview images - **changed** — Updated player creative content - **fixed** — Some ancient danger enemies were active before they were unfogged - **fixed** — Cloudwatching sometimes appeared when in space instead of stargazing - **fixed** — Pawns could infinitely desire a looks-change if their ideoligion and genes clashed - **fixed** — Deliver resources jobs issue causing pawns to not take any job - **fixed** — Error with grow zones in pocket maps - **fixed** — Incorrect parameters being used in AncientPodContents - **fixed** — Creepjoiner body types - **fixed** — Pawns passing friendly and enemy blockers - **fixed** — Glower dialog could not be configured not to force a color value - **fixed** — Construct cache not respecting forced orders - **fixed** — Gravship jumps interrupting deathrest - **fixed** — Holding platforms minified by infestations would delete their contents - **fixed** — Cultists would get stuck after their ritual was interrupted - **fixed** — macOS installations on non-Apple filesystems would try and load the generated ._ prefixed XML files 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? You can share it with us on the **[official RimWorld development Discord](https://discord.gg/MC6eYAHuPu)**. Cheers! Tia (https://ludeon.com/blog/) | (https://x.com/LudeonStudios) | (https://bsky.app/profile/ludeonstudios.bsky.social) | (https://www.reddit.com/r/RimWorld/) | (https://www.facebook.com/LudeonStudios/) ##### Changelog - Heavy bridges are now immune to explosion damage. - Embryos are now forbiddable. - Added ancient bridges and ancient heavy bridges which have a market value of 0. This prevents large wealth spikes when landing on maps that generate ruins over water. - Updated Royalty preview images. - Updated player creative content. ##### Fixes - Fix: Some ancient danger enemies were active before they were unfogged. - Fix: "Cloudwatching" sometimes appears when in space instead of "stargazing". - Fix: Pawns can infinitely desire a looks-change if their ideoligion and genes clash. - Fix: Deliver resources jobs issue causing pawns to not take any job. - Fix: Error with grow zones in pocket maps. - Fix: Incorrect parameters being used in AncientPodContents. - Fix: Creepjoiner body types. - Fix: Pawns passing friendly and enemy blockers. - Fix: Glower dialog can't be configured not to force a color value. - Fix: Construct cache not respecting forced orders. - Fix: Gravship jumps interrupt deathrest. - Fix: Holding platforms minified by infestations would delete their contents. - Fix: Cultists would get stuck after their ritual was interrupted. - Fix: macOS installations on non-Apple filesystems would try and load the generated ._ prefixed XML files. - Fix: Bloodrage hediff increasing/decreasing too slowly on pawns ticking at a lower rate. - Fix: Cube interest/withdrawal not behaving correctly on pawns ticking at a lower rate. - Fix: Mechanoids repairing too fast when ticking at a lower rate. - Fix: Wastepack atomizer west and east sprites were flipped. - Fix: Butcher yield storyteller setting affecting "make any stone blocks" bill yield. - Fix: Cancelling a wall blueprint that was replacing another wall would delete any wall attachments. - Fix: Volcanic debris lava can no longer spread to deep water. - Fix: Ghouls can no longer go on caravans alone. - Fix: Lodgers that are arrested and released are no longer recruited for free. - Fix: Ghouls now exit shuttles drafted like other colonists. - Fix: Explosions were not destroying regular bridges. - Fix: If your first home map is in space, pawns were occasionally spawning on other maps with vacsuits. - Fix: Gravship takeoff could leave floating roofs on the launch map. - Fix: Incorrect threat reaction radius for enemies defending a location. - Fix: Buildings could remain connected to power nets on the previous map after launch. - Fix: Beam weapons were creating VFX in the wrong location (only affects mods). - Fix: Shuttle crash rescue quest could generate with too few points to generate an enemy threat. - Fix: Possible for rescue shuttles to land on the crashed shuttle, destroying it. - Fix: Unnatural corpses could be permanently destroyed by turning them into nutrient paste. - Fix: Several issues with fleshmass heart and gravship jumps from maps with grav anchors. - Fix: Possible for strange signal quest to fail to find a place for the monolith on particularly full maps. - Fix: Possible for distress signal map to generate without a shard. - Fix: Possible for terminals to fail to spawn in ancient complex quests, instantly failing the quest on arrival. - Fix: Desired styles were calculated incorrectly if Biotech was enabled, causing the styling station to show all styles, and "look change desired" thought to never occur. - Fix: "Inspired recruitment" pawns interacting incorrectly with _[Truncated at 4000 characters — full notes: https://store.steampowered.com/news/app/294100/view/687507011804333827]_