2025 Season 4 Patch 2 [2025.09.24.01]

This Patch contains some updates and fixes for the 2025 Season 4 Release.

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

Sim

AI Racing

• The Dallara IL15 is now enabled for AI racing.

Audio

• Added the latest Italian spotter pack.

Graphics

• Fixed an issue with AMD FSR where the viewport was not being calculated correctly.

  • CosmeticNOTE/While this issue is fixed for non-VR, AMD FSR still is not functioning correctly in VR.

• For AMD FSR, the new UI is now centered and interacts properly with the mouse when FSR is enabled.

• Fixed some issues with eye tracking for Pimax.

Physics

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

Race Servers

• Fixed a crash that was occurring when switching from a Practice server to a Race server.

User Interface

• Fixed an issue where spotting in practice sessions would cause overlapping unreadable buttons to appear in the Session Screen.

• 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.

• Added expand/collapse functionality.

• Fixed an issue where the wind direction arrow was facing the incorrect direction.

• Fixed an issue with QuickChat not saving properly.

• 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.

• Removed the word "Sector" from the Splits display to make it more compact.

• Fixed an issue where the horizontal scroll for the Results tab would not always appear at the bottom of the window.

• 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.

• Fixed an issue where the Lap Timing black box included a blank rectangle next to the title.

• Increased the contrast of the gradient behind the steering wheel icon.

• Fixed an issue where the 'Configure Now' option would not return users to the calibration wizard.

• Fixed a crash that was occurring for users in specific Time Zones with specific Regional Formats.

• Fixed an issue where the Entries tab was sorting Divisions by their first digit.

• Fixed the dropdown values when exporting Garage setups.

• For heat races, fixed an issue where the left and right columns in the Event Rules were not aligned.

• Increased the resolution on the steering lock range slider.

• Fixed an issue where car numbers in the Results tab were not always aligned.

• Added an Official/Unofficial flag state next to certain sessions.

• Fixed an issue with text being cut off in the chat box.

• Fixed the camera timer overlay so it matches the legacy UI behavior.

• Fixed an issue where the Shift Horizon setting had values of -0 and +0.

• Fixed an issue where setups would reset if they had special requirements for fields that would limit options.

• Added some missing spotter options to the Settings.

iRacing

Paint Kit

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

Cars

GTP

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

Acura ARX-06 GTP

• Fixed an issue where the Autofuel keybinds and Fuel To End toggle were not working correctly.

• Fixed an issue