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Steam News6 May 20261mo ago

Release Notes v0.3.9

Release Notes v0.3.9 New 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.

Full notes

Full Belts of Iron update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

1 fix2 additions1 change1 removal
  • Gameplay
  • Balance
  • Fixes
  • Performance
addedNew factory modules system! Use Logic Circuits or Execution Units to boost the speed of machines at the cost of higher energy use.
changedLogic Circuit & Execution Unit stack size changed from 50 -> 10.
removedRemoved mining speed technology 2-4 in favor of using modules in mining drills.
fixedFixed a bug with train path signals not working correctly.
addedAdded level of details to trees and rocks to improve graphics performance.
Logic Circuit & Execution Unit stack size5010Logic Circuit & Execution Unit stack size decreased, nerf

Belts of Iron changes

addedNew factory modules system! Use Logic Circuits or Execution Units to boost the speed of machines at the cost of higher energy use.
changedLogic Circuit & Execution Unit stack size changed from 50 -> 10.
removedRemoved mining speed technology 2-4 in favor of using modules in mining drills.
fixedFixed a bug with train path signals not working correctly.
addedAdded level of details to trees and rocks to improve graphics performance.

Release Notes v0.3.9

  • New 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.

Source

Steam News / 6 May 2026

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