iRacing – 2023 Season 2 Patch 4 Deployed

iRacing - 2023 Season 2 Patch 4 Deployed
iRacing Mazda MX-5 Cup

iRacing has deployed Patch 4 for the 2023 Season 2 Build release of its racing simulation platform.

This relatively small patch contains a number of fixes and improvements for various parts of the simulation. Check out the full changelog below for more details.

Credit: Included iRacing screenshot by Todd Rushing.

2023 Season 2 Patch 4 Changelog


AI Racing

  • Fixed an issue where AI Drivers could sometimes select a substantially inferior downforce package for an event.


  • The pop-up warning text for increasing graphics memory sliders into the Danger Zone has been updated.


  • For Force Feedback, improved the remaining issues with GameInput API where some wheels could complain and cause conflicts with iRFFB.


<Car Class> Stock Car Pro Series Cars

  • Contingency decals and branding have been updated for the 2023 Season.

Audi R8 LMS GT3

  • Fixed an issue where the R8 logo on the trunk would appear incorrect when the New Damage Model was in use for this car.

Dallara F3

  • iRacing setups have been updated.

Mercedes-AMG GT4

  • Improved ABS system with faster response and better control and performance.
  • Vehicle mass has increased slightly.
  • Fixed an issue where the fuel tank size and fuel consumption rate were incorrect.
  • Fixed an issue where RPM lights were not displaying at the correct intervals.
  • iRacing setups have been updated.
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