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Steam News16 June 20251y ago

Patch update #33: Upgraded rendering

Graphics Improved global illumination Improved sky and clouds Improved shadows Improved reflections Added volumetric fog light scattering Upgraded water (waves, caustics, underwater volume) Performance Updated graphics

Full notes

Full eXpanSIM update

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

What changed

0 fixes5 additions16 changes0 removals
  • Gameplay
  • Performance
  • UI and audio
changedGraphicsImproved global illumination
changedGraphicsImproved sky and clouds
changedGraphicsImproved shadows
changedGraphicsImproved reflections
addedGraphicsAdded volumetric fog light scattering
changedGraphicsUpgraded water (waves, caustics, underwater volume)

Graphics

  • Improved global illumination

  • Improved sky and clouds

  • Improved shadows

  • Improved reflections

  • Added volumetric fog light scattering

  • Upgraded water (waves, caustics, underwater volume)

Performance

  • Updated graphics quality options (restored settings to defaults)

  • Improved VR performance (switched to single-pass rendering)

  • Improved overall rendering performance

Vehicle Physics

  • Adjusted combustion engine throttle curve and lag

  • Added the speed limiter to trucks

  • Adjusted retarder levels

  • Added realistic automatic gearbox shifter option

  • Adjusted the power steering curve

Steering Wheel

  • Improved FFB calibration logic

  • Updated FFB settings

  • Added FFB center force filter

  • Improved surface roughness vibrations

UI

  • Added the green RPM range to the dashboard panel

  • Optimised input actions filtering

  • Improved HUD text rendering

Source

Steam News / 16 June 2025

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