[p]This Patch contains some updates and fixes for the 2025 Season 4 Release.[/p][p]You can find the Release Notes for this Patch below, or on the iRacing Forums here: 2025 Season 4 Patch 2 Release Notes \[2025.09.24.01] — iRacing Forums[/p][p][/p][p][/p][p][/p]

Sim

AI Racing

• [p]The Dallara IL15 is now enabled for AI racing.[/p]

Audio

• [p]Added the latest Italian spotter pack.[/p]

Graphics

• [p]Fixed an issue with AMD FSR where the viewport was not being calculated correctly.[/p]
• [p]NOTE - While this issue is fixed for non-VR, AMD FSR still is not functioning correctly in VR.[/p]
• [p]For AMD FSR, the new UI is now centered and interacts properly with the mouse when FSR is enabled.[/p]
• [p]Fixed some issues with eye tracking for Pimax.[/p]

Physics

• [p]Updated correction for engine power that will bring power unit outputs more in line with reality at high altitude tracks like Mexico City.[/p]

Race Servers

• [p]Fixed a crash that was occurring when switching from a Practice server to a Race server.[/p]

User Interface

• [p]Fixed an issue where spotting in practice sessions would cause overlapping unreadable buttons to appear in the Session Screen.[/p]
• [p]Fixed the sliders in the Camera Tool to now behave properly when typing values outside of the minimum and maximum constraints, or entering a blank string.[/p]
• [p]Added expand/collapse functionality.[/p]
• [p]Fixed an issue where the wind direction arrow was facing the incorrect direction.[/p]
• [p]Fixed an issue with QuickChat not saving properly.[/p]
• [p]The Garage > 'My Setups' file dialog and Camera file dialog now correctly show the contents of directories when a user has characters outside of their default locale in their file path.[/p]
• [p]Removed the word "Sector" from the Splits display to make it more compact.[/p]
• [p]Fixed an issue where the horizontal scroll for the Results tab would not always appear at the bottom of the window.[/p]
• [p]Fixed the Tire Options black box navigation for the Porsche Mission R. This fix applies to any car with changeable tires but non-adjustable tire pressures.[/p]
• [p]Fixed an issue where the Lap Timing black box included a blank rectangle next to the title.[/p]
• [p]Increased the contrast of the gradient behind the steering wheel icon.[/p]
• [p]Fixed an issue where the 'Configure Now' option would not return users to the calibration wizard.[/p]
• [p]Fixed a crash that was occurring for users in specific Time Zones with specific Regional Formats.[/p]
• [p]Fixed an issue where the Entries tab was sorting Divisions by their first digit.[/p]
• [p]Fixed the dropdown values when exporting Garage setups.[/p]
• [p]For heat races, fixed an issue where the left and right columns in the Event Rules were not aligned.[/p]
• [p]Increased the resolution on the steering lock range slider.[/p]
• [p]Fixed an issue where car numbers in the Results tab were not always aligned.[/p]
• [p]Added an Official/Unofficial flag state next to certain sessions.[/p]
• [p]Fixed an issue with text being cut off in the chat box.[/p]
• [p]Fixed the camera timer overlay so it matches the legacy UI behavior.[/p]
• [p]Fixed an issue where the Shift Horizon setting had values of -0 and +0.[/p]
• [p]Fixed an issue where setups would reset if they had special requirements for fields that would limit options.[/p]
• [p]Added some missing spotter options to the Settings.[/p]

iRacing

Paint Kit

• [p]Fixed an issue where certain cars had painted tires, windshields, and windows when using specific paints and car patterns.[/p]

Cars

<Car Class> GTP

• [p]Adjusted the hybrid code to ensure that every GTP and the Ferrari 499P have equivalent hybrid-assisted fuel economy.[/p]

Acura ARX-06 GTP

• [p]Fixed an issue where the Autofuel keybinds and Fuel To End toggle were not working correctly.[/p]
• [p]Fixed an issue where the steering wheel dash did not display the TC1 and TC2 values in the appropriate places.[/p]

Acura NSX GT3 EVO 22

• [p]Fixed an issue with the rain light.[/p]

Aston Martin Vantage GT3 EVO

• [p]Fixed an issue where camber would not be highlighted when causing the tech inspection to fail.[/p]
• [p]Increased the engine torque.[/p]
• [p]iRacing setups have been updated.[/p]

Aston Martin Vantage GT4

• [p]Aligned the shift lights on the digital dash.[/p]

BMW M Hybrid V8

• [p]Renamed TC1 and TC2 to TCLON and TCLAT in order to match the in-car dash display.[/p]
• [p]Fixed an issue where the TC1 and TC2 in-car controls did not map correctly to the TC1 and TC2 settings.[/p]

Cadillac V-Series.R GTP

• [p]Fixed an issue where the Autofuel keybinds and Fuel To End toggle were not working correctly.[/p]
• [p]Fixed an issue where the TC1 and TC2 in-car controls did not map correctly to the TC-A and TC-B settings. TC-A is also correctly labelled in the black boxes and garage now.[/p]

Dallara IL-15

• [p]Raised the yield and break limits for wheels.[/p]
• [p]Increased the meatball flag threshold for wheel damage and improved the pace of wheel repairs.[/p]
• [p][/p]
• [p]NOTE - Terminal wheel damage is still possible.[/p]

Ferrari 499P

• [p]Fixed an issue where the TC1 and TC2 in-car controls did not map correctly to the TC1 and TC2 settings.[/p]

Ford Mustang GT3

• [p]Fixed an issue where the windshield wiper controls were not highlighted in the Options menu.[/p]

Ford Mustang GT4

• [p]Slightly reduced the front rebound damping. iRacing setups have been updated.[/p]

Lotus 79

• [p]iRacing setups have been updated.[/p]

Mercedes-AMG W12 E Performance

• [p]The selected deploy mode should now be accurately reflected by the steering wheel dash and dials.[/p]
• [p]Recharge mode can now be bound to an in-car control: Regen Gain.[/p]

Mercedes-AMG W13 E Performance

• [p]Relocked the engine braking dial to a max of 12 positions.[/p]
• [p]The selected deploy mode should now be accurately reflected by the steering wheel dash and dials.[/p]
• [p]Recharge mode can now be bound to an in-car control: Regen Gain.[/p]

Porsche 963 GTP

• [p]Renamed TC1 and TC2 to TCLO and TCLA in order to match the in-car dash display.[/p]
• [p]Fixed an issue where the TC1 and TC2 in-car controls did not map correctly to the TC1 and TC2 settings.[/p]

Porsche Mission R

• [p]Fixed an issue with the power audio.[/p]
• [p]Fixed an issue with the In-Car Adjustments black box not functioning correctly.[/p]
• [p]Fixed an issue where the dashboard G meters and ABS lights were stuck at 50%.[/p]

Renault Clio R.S. V

• [p]Fixed an issue where the car could fail tech without displaying why.[/p]

\[Legacy] Porsche 911 GT3 R

• [p]Fixed an issue with floating fuel lids appearing in the cockpit view.[/p]

Tracks

Autódromo Hermanos Rodríguez (Mexico City)

• [p]Added a temporary renderer.ini setting to help resolve an issue where lower shader quality settings showed white paint around the stadium.[/p]
• [p]Added LODs to the scissor lift object.[/p]
• [p]Fixed an issue where the stadium section of the track was missing textures at Medium/Low shader settings.[/p]

Daytona International Speedway

• [p]Adjusted the instanced powerlines.[/p]

Nürburgring

• [p]Updated several adverts around the track.[/p]

Oulton Park Circuit

• [p]Added wraps to the weaved tire bundles.[/p]