See the full release notes below, or on the iRacing Forums here:
https://forums.iracing.com/discussion/67534/2024-season-4-patch-1-release-september-9th-0900edt-1300utc#latest


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This release is a Patch that contains fixes and updates for the 2024 Season 4 Release.
This release also contains the full release of the McLaren 720S GT3 EVO!


SIMULATION:--------------------------------------------------------------
iRacing Weather System
- The telemetry output for current precipitation has been updated to use the actual rainfall at start/finish.

Graphics
- Fixed an issue where the reflective materials on cones and other instanced (duplicated) track side objects were not receiving light correctly from vehicle headlights.
- Fixed an issue where some thin lines could be seen floating above some trees.

Replay
- Fixed an issue where smoke particles could remain in the world when scrubbing through a replay.

Controls
- Simucube API has been updated.
- Conspit API has been updated.


CARS:--------------------------------------------------------------
<Car Class> NASCAR Cup Series Next Gen Class Cars
- iRacing setups have been updated.

<Car Class> NASCAR Xfinity Class Cars
- Dashboard is now backlit on opponent cars.
- iRacing setups have been updated.

<Car Class> TCR Class Cars
- Fixed an issue where tire types were not able to be changed during Fixed Setup Sessions.

BMW M4 G82 GT4
- In-car engine sounds have been significantly improved.
- Updated the damage and dirt decal texture layers.
- Fixed an “unplayable” issue with a mirrored logo on the front grill.

Dallara IR18
- P2P is now available for use for up to 15 seconds at Detroit Grand Prix at Belle Isle and WeatherTech Raceway Laguna Seca.

Dirt Mini Stock
- iRacing setups have been updated.

Ford Mustang FR500S
- Footwell has been darkened.

Ford Mustang GT3
- Corrected an issue with the wheel hub orientation.

Indy Pro 2000 PM-18
- iRacing setups have been updated.

Lamborghini Huracán GT3 EVO
- Fixed an issue where if the IMSA branding was selected for use, one of the pit crew members forgot to remove the windshield sunshade, making it rather challenging to drive.

McLaren 720S GT3 EVO
- NEW CAR!
- - The McLaren 720S GT3 EVO, a new Sports Car, is now available for purchase and racing!
- - Since 2019, the McLaren 720S GT3 has proven itself one of the world's most competitive GT3 platforms. That success only continued in 2023 with the introduction of the 720S GT3 EVO, which improved upon the car's aerodynamics, suspension, overall balance, and other key elements. The 720S GT3 EVO is a popular customer car the world over. After a long-standing association with the McLaren brand at both its automotive dealerships and in the GT4 class, Pfaff Motorsports brought the car to IMSA's GTD Pro class for the 2024 season for the first time. The team scored its first podium with the 720S GT3 EVO at WeatherTech Raceway Laguna Seca in May, adding to the long history of McLaren GT3s running up front the world over.
- - Owners of the McLaren MP4-12C GT3 at the time of this Patch deployment will receive iRacing Credits as compensation for the release of this newer version of the car. Compensation is based on how long ago a customer purchased the McLaren MP4-12C GT3, and is as follows:
- - - - 0-90 days = 100% price compensation
- - - - 91-180 days = 75% price compensation
- - - - 181-365 days = 50% price compensation
- - - - 366+ days = no compensation
- - The original McLaren MP4-12C GT3 is now [Legacy] content.
- AI Racing is available with this car!
- This car is rain-racing ready!

Mercedes-AMG W12 E Performance
- Fixed an issue where the rear tires could appear transparent at certain camera distances.

Renault Clio R.S. V
- Footwell has been darkened.

Street Stock - Panther C1
- Car body textures have been updated to better match the style of the Casino M2 and the Eagle T3.

[Legacy] McLaren MP4-12C GT3
- With the release of the McLaren 720S GT3 EVO, the McLaren MP4-12C GT3 has now become [Legacy] content.
- This vehicle will no longer appear in Official Series.
- This vehicle’s price has been lowered to $2.95 for direct iRacing customers.


TRACKS:--------------------------------------------------------------
Cadwell Park Circuit
- Fixed an issue where a practical joker had placed the brake marker blocks in the wrong order leading into Park corner (Turn 4).
- A duplicating cat has been consolidated into a single cat. Can you find him now?

Circuit de Spa-Francorchamps
- Track surface bumpmap has been regenerated, and an especially nasty bump at the Chicane has been steam-rolled.
- The Chicane escape road slowdown penalty has been increased.
- Cones have been added to block pit entries while they are not in use.
- Some missing brake markers have been added.
- Removed some phantom collision zones from some tire barriers.
- Positioned the grandstands on the terrain better, and improved the rocky walls.
- A variety of night textures have been updated.
- Some tree branches that were poking out onto the track have been trimmed back.
- Fixed an issue where some trees were receiving double lighting.
- Fixed an issue with some protruding grass terrain polygons.

Circuit Zolder
- Increased the slowdown penalty at Villeneuve Chicane if you cut the gravel trap. Don’t do it.