iRacing: 2024 Season 4 Patch 1 Release Notes

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 reflective materials on cones and other trackside objects were not receiving light correctly from vehicle headlights.
• Fixed an issue where some thin lines could be seen floating above certain 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

NASCAR Cup Series Next Gen Class Cars

• iRacing setups have been updated.

NASCAR Xfinity Class Cars

• Dashboard is now backlit on opponent cars.
• iRacing setups have been updated.

TCR Class Cars

• Fixed an issue where tire types could not 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 the IMSA branding caused one of the pit crew members to forget to remove the windshield sunshade, making it challenging to drive.

McLaren 720S GT3 EVO

• NEW CAR!
  • The McLaren 720S GT3 EVO is now available for purchase and racing!
  • Since 2019, the McLaren 720S GT3 has been one of the world’s most competitive GT3 platforms. The 720S GT3 EVO, introduced in 2023, improves aerodynamics, suspension, and overall balance. Pfaff Motorsports debuted the car in IMSA’s GTD Pro class in 2024, scoring its first podium at WeatherTech Raceway Laguna Seca in May.
  • Owners of the McLaren MP4-12C GT3 at the time of this Patch deployment will receive iRacing Credits as compensation:
    • 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 brake marker blocks were placed incorrectly 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 a particularly nasty bump at the Chicane has been smoothed out.
• The Chicane escape road slowdown penalty has been increased.
• Cones have been added to block pit entries while not in use.
• Some missing brake markers have been added.
• Removed some phantom collision zones from tire barriers.
• Improved grandstand positioning on terrain and enhanced rocky walls.
• Updated a variety of night textures.
• Trimmed back some tree branches that were poking onto the track.
• Fixed issues with trees receiving double lighting and protruding grass terrain polygons.

Circuit Zolder

• Increased the slowdown penalty at Villeneuve Chicane for cutting the gravel trap. Don’t do it.

• Remember, you can join iRacing clicking here.
• iRacing: Essential Apps for Planning Your Season 4 [2024]

Check out our Hardware Guide 2024

• iRacing: Top Direct Drive Racing Wheel Bundles for 2024
• Sim Racing:  The Best Entry-Level Racing Wheels in 2024
• Best No Direct Drive Wheel For Sim Racing 2024

See you on the track!