Verified patch notes, affected platforms and developer-listed issues.

Satisfactory
Experimental Update v1.0.1.5
Feb 18, 2025 · Steam update tracked by Buffs & Bugs
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Quick take
Hello again everyone, Today we are reopening Experimental again!
- From now on we intend to use Experimental to properly implement bigger bug fixes, programming changes or optimizations without compromising the current 1.0 experience for those who are comfortably playing in the 1.0 default version of Satisfactory
- This should also help with reducing the frequency of patches/downloads necessary for the majority of players since we’ll space out a bit more when we will move Experimental versions into the default version once they have been stabilized
- Since changes in Experimental might have some unexpected side effects, please BACKUP YOUR SAVES before trying it out
What officially changed
Hi Pioneers!
Hello again everyone, Today we are reopening Experimental again!
From now on we intend to use Experimental to properly implement bigger bug fixes, programming changes or optimizations without compromising the current 1.0 experience for those who are comfortably playing in the 1.0 default version of Satisfactory
This should also help with reducing the frequency of patches/downloads necessary for the majority of players since we’ll space out a bit more when we will move Experimental versions into the default version once they have been stabilized
Since changes in Experimental might have some unexpected side effects, please BACKUP YOUR SAVES before trying it out
You can find your saves in:
%LocalAppData%/FactoryGame/Saved/SaveGames/
There should be a folder with a lot of numbers, that is your Steam/Epic ID and that folder will contain your saves, you can copy this folder somewhere else
The fixes today involve the Customizer, Lightweight Buildables as well as a Dedicated server fix and some crash fixes, if you would like to know more about the changes in detail you should watch our video on them by our community manager Mikael
https://youtu.be/Z3UtGdftZbc
If you would like to quickly access the Experimental version, first BACKUP YOUR SAVES and then:
For Steam:
Then right click the Game on Steam > Properties > Betas > Beta Participation > Select Experimental
For Epic:
Look in your game library for “Satisfactory Experimental” from there you can install it
And don’t forget to BACKUP YOUR SAVES before you start playing
If we happened to introduce any new issues with these changes, please let us know over at our QA Site https://questions.satisfactorygame.com/ We appreciate all of your feedback
If the Experimental release turns out to be too unstable for you, you can always switch back to the default version of the game and restore your save game and continue enjoying Satisfactory as usual
See you all again soon <3
DEDICATED SERVER
Fixed Windows Dedicated Server not working after a player disconnects until it is restarted
This change required making some changes to port binding, so let us know about any new unexpected behavior
CUSTOMIZER
New optimizations to the Customizer to address heavy performance hitches
Mostly noticeable when hovering a customizer hologram over buildables, please note that there might still be other hitches in this situation unrelated to the Customizer improvements
Fixed performance issues when editing swatches in the Customizer Menu
Fixed changes made to swatches in the Customizer Menu not applying to the session until saving and reloading or rejoining the server
Fixed multiple crashes related to the Customizer
LIGHTWEIGHT BUILDABLES
Fixed an issue where Lightweight buildables could be seen but not interacted with, either by walking through them or by dismantling them but not actually being able to remove them until restarting a Dedicated Server or rejoining a Multiplayer Session
This was most commonly seen with Foundations and Walls, but could also affect other buildables like Road Barriers, Catwalk Walkways, etc.
Fixed an issue where Lightweight buildables would fail to sample (MMB) in Dedicated Server or Multiplayer sessions
BUGFIXES
Fixed a couple crashes related to Conveyor Belts
Fixed a couple crashes related to the Customizer
LOCALISATION
German translation update based on the German community help
Updated community translated languages with the latest translations
Updated language completion rates
What Xbox players experienced
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