- Steam App
- Belts of Iron (3427850)
- Event type
- patch note
- Published
- 6 May 2026 - 18:30:36 UTC
- Source
- steam_community_announcements
Release Notes v0.3.9New factory modules system! Use Logic Circuits or Execution Units to boost the speed of machines at the cost of higher energy use.Logic Circuit & Execution Unit stack size changed from 50 -> 10.Removed mining speed technology 2-4 in favor of using modules in mining drills.Fixed a bug with train path signals not working correctly.Added level of details to trees and rocks to improve graphics performance.