Satisfactory 1.2 Experimental Update - V1.2.2.0 Notes (28th April 2026)

Hi Pioneers!

Hello again everyone, it’s been a while since the last patch but we have a lot of fixes coming in this time around, this should cover the majority of issues and crashes we’ve seen so far so hopefully this will make the 1.2 Experimental a lot more stable

If the 1.2 Experience has gotten better or if we have introduced any new issues please let us know over at our QA Site https://questions.satisfactorygame.com/ Your posts are extremely helpful for us

If you heard about the 1.2 Update on Experimental and are interested trying it out, you can do so by following the instructions below:

And remember, you can BACKUP YOUR SAVE before trying it to avoid losing any of your progress

You can backup your save & blueprints by copying the folders in:

%LocalAppData%\\FactoryGame\\Saved\\SaveGames\\-YOUR ID-

%LocalAppData%\\FactoryGame\\Saved\\SaveGames\\blueprints

To access the Experimental version on Steam:

Right click Satisfactory on your library > Properties > Game Versions & Betas > experimental

Then exit this menu and the experimental version will start downloading for you

To access the Experimental version on Epic:

In your Library, search for “Satisfactory Experimental” and install it, it’s a separate entry from the default version so you need to download it individually

See you all next time, thank you so much for your continuous support <3

BUG FIXES

• Fixed rare Dedicated Server crash related to Conveyor lift and Pipeline connections
• Fixed distorted audio which could happen when joining a session that has ongoing rain weather states
• Fixed a crash related to Clients joining late game multiplayer sessions
• Fixed custom map markers disappearing in some scenarios
• Fixed custom map markers from old saves being wiped when being loaded into 1.2
• Fixed crash due to path nodes having invalid connections when loading a save, either from save editing or invalid blueprints
• Fixed performance degradation when dragging a long vehicle path segment
• Fixed a crash on load related to incorrect SubObject properties which would result in a crash on load for some saves
• Fixed previously opened Crash Sites that require Power to be opened respawning alongside their contents in 1.2
• Fixed several crashes related to Railways that might have been preventing certain saves from being loaded
• Fixed several Crashes related to Blueprint holograms
• Crash fixes for issues when Dismantling in certain scenarios
• Fixed FICSIT Material not being available in the Customizer
• Fixed issues with hologram curvature for Conveyor Belts
• Fixed issues with Conveyor Lift Splitters/Mergers, Removed step placement from lift attachments, so now it behaves the same as with belts, Logic for guideline snapping was changed to be similar to belts one. Which means - no snapping has occurred by default as it was before (except for endings). When pressing guideline snapping - it snaps vertically towards the guidelines
• Fixed conveyor lifts not getting removed when using Blueprint mass dismantle
• Fixed lifts snapped at certain angles having misalignments or other issues
• Fixed incorrect UI prompts when interacting with a Portable Miner on a Crude Oil Node
• Potential fix for Radiation persisting after sorting the inventory and then removing a radioactive resource from it
• Fixed conveyor belt customization disappearing after using a Splitter or Merger
• Fixed sometimes being granted additional hand and inventory slots when skipping the intro sequence which would later result in MAM/Hard Drive unlocks that interact with Hand or Inventory slots not working properly
• Fixed previously built Railroad Switches not dismantling properly
• Potential fix for stack sizes becoming 100 sometimes when they shouldn’t
• Fixed invalid conveyor lift hologram setups that could be built by nudging
• Fixed customizer pattern alignment issues on foundations

DEDICATED SERVER

• Fixed Dedicated Server crashing when a specified port is out of range
• Fix in Server API when a socket cannot be allocated
• Fixed a crash on Dedicated Servers that don’t have local player controllers in the Sign subsystem
• Fixed incorrect menus showing up for weather in the Dedicated Server settings

UI

• Fixed issue where opening/closing the Hotbar radial menu with controller would cause the HUD to fade in and out
• Fixed issue where hiding the HUD in Build Mode would hide the entire HUD instead of only the Build Mode HUD
• Fixed an issue with navigation when using Dynamic input mode in a building while using the cost slot without having any recipes selected
• Fixed focus loss issues in the pause menu when using Dynamic input
• Fixed foliage auto pickup UI being stuck after using the Chainsaw on a pickupable item
• Fixed issue where the to-do list would get squished sometimes if there are only notes and no recipes
• Fixed Remove prompt overlapping in the Select Color UI in the Personnel Elevator
• Fixed issues with Dynamic input when playing Productive Packager Deluxe
• Fixed several issues with incorrect button hints when switching between MKB and Controller with Dynamic input enabled
• Fixed incorrect scaling for the Map and Map Markers on Steam Deck

CONTROLLER

• Fixed issue where Controller input wouldn’t work after using the Search function on Programmable Splitters
• Fixed issue with focus loss after entering map coordinates in the Vehicle UI
• Fixed issue where focus would stay stuck on the map regardless of which part of the Vehicle UI was being used
• Added missing functionality to sort Train Station inventories when using a controller

TECH ART

• Fixed issue where the weather states would stack and play on top of each other in Multiplayer
• Performance improvements to Locomotives by adjusting their light components
• Fixed Photo Mode Fog Density value not matching the game settings on startup, new behaviour makes it work exactly like Zoom value, it will match whatever the player settings are when entering Photo Mode and will not be "stored"
• Significant improvements to LODs on Train Tracks and enabled support for Paint finishes for them
• Several optimizations for Signs
• Fixed Geothermal paint finishes issues
• Fixed build effect issues on Clean Pipelines

LOCALISATION

• Fixed issues with missing descriptions in most languages
• Fixed several instances of untranslatable text
• Imported latest community translations, updated completion rates

MODDING

• Adding RainRendering headers to community resources