update · February 18, 2025

Satisfactory Experimental Update v1.0.1.5

Satisfactory reopens its Experimental branch with v1.0.1.5, isolating heavier programming changes, customizer fixes, and crash resolutions away from the main stable version. Players who opt into testing can help evaluate these adjustments, though developers advise backing up local save files before switching.

Satisfactory has reopened its Experimental branch to test upcoming fixes without disrupting the stable 1.0 release. Version v1.0.1.5 focuses on customizer tweaks, lightweight buildables, dedicated server stability, and crash fixes.

Experimental Branch Access and Safety

Reopening the Experimental branch allows developers to roll out larger optimizations and bug fixes at a separate cadence, minimizing the download frequency for players on the default version. Because testing builds carry a risk of unexpected side effects, players should manually back up their save files located in the local AppData FactoryGame folder before switching branches on Steam or Epic Games.

Targeted Fixes

The patch addresses specific issues tied to the Customizer tool and Lightweight Buildables. It also resolves a dedicated server problem alongside general crash vectors that affected stability.

Why this patch matters

This update establishes a separate testing environment for Satisfactory players willing to help vet early fixes at the cost of potential stability issues.