Release Notes for 2016 Season 4 Patch 1 [2016.09.09.02]


Time of Day

– Fixed an issue that was causing the selected time of day to be ignored when anything other than “Constant” weather was selected.


– Flyover timing has been adjusted to better match race events.

– Flyover smoke is now influenced by wind.

– Pit crew helmets are now even safer, with extra padding inside!


– Fixed some hard edges on the air vents for open wheel car helmets.

– Added helmet tear offs for the open cockpit cars helmets.


– A new library, “iRacingARXmsg.js,” is now included in the ARX package.


Aston Martin DBR9 GT1

– Opponent cars are now capable of flashing their headlights.

Dallara DW12

– Slightly tweaked the road course tires to give a bit more degradation.

Ford GT

– Shift lamps and suspension have been changed to match the Ford GT GT3.

– Wheel pivots have been adjusted to help avoid fender collisions.

Formula Renault 2.0

– Damage parameters have been updated so the engine is less resistant to impacts.


– Adjustments have been made to the low DF aero package. This slightly reduces maximum speeds.

– The mirror portals have been moved out slightly so that when damaged, the mirror frames are not in front of the portal.

– Adjustments have been made to the seat-belt mesh and the driver position.

Lotus 79

– Fixed an issue with the driver’s right arm.

Mercedes-AMG GT3

– The tooltip text for the traction control setting was corrected so it correctly indicates that support decreases when increasing the setting number.

NASCAR XFINITY Chevrolet Camaro

– Fixed an issue with the pitbox textures.

SCCA Spec Racer Ford

– Fixed a camera bug.

Skip Barber Formula 2000

– Fixed a camera bug.

Sprint Car

– Fixed a camera bug.

Street Stock

– The rear windshield now uses PBR shaders and should no longer have environment reflections.


Circuit des 24 Heures du Mans

– Fixed curb LOD settings.

– Various environment fixes and updates.

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