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Steam News3 March 20264mo ago

v0.19.3 Patch

TL;DR Players should now see HUGE performance improvements, up to +150% on low-end devices, and there's MOAR graphs.

In this update3

Full notes

Full HARWELL: Mars Industries update

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

What changed

6 fixes2 additions11 changes1 removal
  • Performance
  • Balance
  • Gameplay
  • UI and audio
  • Fixes
changedTL;DR Players should now see HUGE performance improvements, up to +150% on low-end devices, and there's MOAR graphs.
changedNew FeaturesMarket multi-threading for improved performance
changedNew FeaturesCentralized ProfitCalculator class for consistent profit calculations
changedNew FeaturesPlayer profit tracking with actual purchase costs and sales revenue
addedNew FeaturesFinancial graphs added to the financial tab
changedImprovementsOptimized AI timers to dynamically start/stop based on activity state

HARWELL: Mars Industries changes

changedTL;DR Players should now see HUGE performance improvements, up to +150% on low-end devices, and there's MOAR graphs.
changedMarket multi-threading for improved performance
changedCentralized ProfitCalculator class for consistent profit calculations
changedPlayer profit tracking with actual purchase costs and sales revenue
addedFinancial graphs added to the financial tab

TL;DR Players should now see HUGE performance improvements, up to +150% on low-end devices, and there's MOAR graphs.

New Features

  • Market multi-threading for improved performance

  • Centralized ProfitCalculator class for consistent profit calculations

  • Player profit tracking with actual purchase costs and sales revenue

  • Financial graphs added to the financial tab

  • Custom monitoring statistics in the engine for AI and market information

  • Moddable colony names

Improvements

  • Thread manager now auto-detects number of CPU cores and sets threads accordingly

  • Optimized AI timers to dynamically start/stop based on activity state

  • Centralized color overlay to building manager

  • CanvasItem caching and optimizations

  • Removed await get_tree().process_frame in _process() calls

  • Added static types for various variables

  • Optimized lobby syncing for better performance

  • Max inventory values centralized into a constant

  • Colony spawning changed to every 10 sols (previously 20)

  • Minimum company value and stock price updated to 1

  • Stock menu now sorted by peer ID for consistency across players

  • Construction tooltip formatting centralized and cleaned up

  • Profit tooltip hidden for HQ buildings

Bug Fixes

  • Fixed error spam when player was offline on Steam or had Steam closed

  • Fixed issue where peers wouldn't receive interest notifications

  • Fixed sync issues with player credit ratings in stock menu

  • Fixed credit ratings not displaying properly for non-host players

  • Fixed issues with player inventories

  • Sound effect fixes

Source

Steam News / 3 March 2026

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