1.8.15 Hotfix

GENERAL:

  • Added Circuit of the Americas as DLC content.
  • Added Indianapolis Motor Speedway as DLC content.
  • Added Watkins Glen International as DLC content.
  • Added bonus liveries from the 2022 GTWCHAM season for all players (via Open Series).
  • Added all full-season liveries from the 2022 GTWCHEU season for all players (via Open Series).

GAMEPLAY:

  • Added support for new DLC tracks in custom championship (via Open Series).
  • Fixed mass driver duplication when playing against the Lamborghini Huracán ST EVO2.

UI:

  • Fixed ever-increasing memory usage when refreshing unfiltered server list.
  • Added new nationality options.

PHYSICS:

  • Tweaks in GT4 slick tyres rolling resistance, camber simulation, combined grip.
  • Tweaks in Wet tyres.
  • Fuel consumption tweaks for Bentley, Porsche 992 Cup, Ferrari 488 GT3 EVO, Porsche 991.2 GT3 and more.
  • BOP tweaks for Bentley, Aston Martin V8.