Eine Woche nach dem ersten Patch für das 2025 Season 4-Build, hat iRacing am Donnerstag, 25. September 2025 die zweitere Aktualisierung veröffentlicht. 2025 Season 4 Patch 2 adressiert weitere Probleme und liefert verteilt über die Simulation, neue Benutzeroberfläche sowie Autos und Strecken notwendige Verbesserungen die im Detail der folgenden Übersicht entnommen werden können.
2025 Season 4 Patch 2 Release Notes [2025.09.24.01]
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.
NOTE - 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
-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 where the steering wheel dash did not display the TC1 and TC2 values in the appropriate places.
Acura NSX GT3 EVO 22
-Fixed an issue with the rain light.
Aston Martin Vantage GT3 EVO
-Fixed an issue where camber would not be highlighted when causing the tech inspection to fail.
Increased the engine torque.
-iRacing setups have been updated.
Aston Martin Vantage GT4
-Aligned the shift lights on the digital dash.
BMW M Hybrid V8
-Renamed TC1 and TC2 to TCLON and TCLAT in order to match the in-car dash display.
-Fixed an issue where the TC1 and TC2 in-car controls did not map correctly to the TC1 and TC2 settings.
Cadillac V-Series.R GTP
-Fixed an issue where the Autofuel keybinds and Fuel To End toggle were not working correctly.
-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.
Dallara IL-15
-Raised the yield and break limits for wheels.
-Increased the meatball flag threshold for wheel damage and improved the pace of wheel repairs.
NOTE - Terminal wheel damage is still possible.
Ferrari 499P
-Fixed an issue where the TC1 and TC2 in-car controls did not map correctly to the TC1 and TC2 settings.
Ford Mustang GT3
-Fixed an issue where the windshield wiper controls were not highlighted in the Options menu.
Ford Mustang GT4
-Slightly reduced the front rebound damping. iRacing setups have been updated.
Lotus 79
-iRacing setups have been updated.
Mercedes-AMG W12 E Performance
-The selected deploy mode should now be accurately reflected by the steering wheel dash and dials.
-Recharge mode can now be bound to an in-car control: Regen Gain.
Mercedes-AMG W13 E Performance
-Relocked the engine braking dial to a max of 12 positions.
-The selected deploy mode should now be accurately reflected by the steering wheel dash and dials.
-Recharge mode can now be bound to an in-car control: Regen Gain.
Porsche 963 GTP
-Renamed TC1 and TC2 to TCLO and TCLA in order to match the in-car dash display.
-Fixed an issue where the TC1 and TC2 in-car controls did not map correctly to the TC1 and TC2 settings.
Porsche Mission R
-Fixed an issue with the power audio.
-Fixed an issue with the In-Car Adjustments black box not functioning correctly.
-Fixed an issue where the dashboard G meters and ABS lights were stuck at 50%.
Renault Clio R.S. V
-Fixed an issue where the car could fail tech without displaying why.
[Legacy] Porsche 911 GT3 R
-Fixed an issue with floating fuel lids appearing in the cockpit view.
Tracks
Autodromo Hermanos Rodríguez (Mexico City)
-Added a temporary renderer.ini setting to help resolve an issue where lower shader quality settings showed white paint around the stadium.
-Added LODs to the scissor lift object.
-Fixed an issue where the stadium section of the track was missing textures at Medium/Low shader settings.
Daytona International Speedway
-Adjusted the instanced powerlines.
Nürburgring
-Updated several adverts around the track.
Oulton Park Circuit
-Added wraps to the weaved tire bundles.
+ 26.09.2025 MK
News zum Thema
- iRacing: Alle Details zum 2025 Season 4 Patch 1 (19.09.25)
- iRacing: 2025 Season 4-Build mit neuer Sim UI, Fahrzeugen, Strecken und Verbesserungen (13.09.25)
- iRacing: Termin zur Bereitstellung des 2025 Season 4-Updates (05.09.25)
- iRacing Studios bringt 2026 offizielles IndyCar-Videospiel auf PC und Konsolen (29.08.25)
- Simracing: iRacing und Cosworth bringen fortschrittliche Datenanalyse an den Start (29.08.25)
