- 2026 Season 4 Hotfix 1 [2026.09.10.02] - 11 September 2026
This Hotfix contains some fixes and updates for the 2026 Season 4 Release.You can find the Release Notes for this Hotfix below, or on the iRacing Forums here: https://forums.iracing.com/discussion/100023/2026-season-4-hotfix-1-release-notes-2026-09-10-02/p1?new=12026 Season 4 Hotfix 1 Release Notes \========================================================================Patch Release:—---------------------------------------------------------This downtime was planned and is required for fixing an issue with both Caterham cars, as well as two crashes with iRacing. iRacing Simulator —--------------------------------------------User InterfaceFixed a crash that could occur when minimizing the SIM window.Fixed a crash that could occur when using the VCR controls while viewing a replay. Cars—---------------------------------------------------------Caterham 420RAdjusted the damage properties on…
- 2026 Season 4 Release [2026.09.09.01] - 9 September 2026
The iRacing 2026 Season 4 Release Build is moving out onto the track! This is one of four major annual releases for iRacing, and it adds new content, features, upgrades, and a hauler-full of fixes and tweaks. iRacing 2026 Season 4 officially starts on September 15th at 0000 UTC!iRacing welcomes FOUR brand new cars into our garage, including the Aston Martin Valkyrie AMR-LMH, two versions of the Caterham - Academy and 420R, and the Gen 4 Grand National. A diverse set of vehicles showcasing the many ways drivers race! We’ve also added THREE entirely re-scanned and re-built tracks to update the iRacing 2026 landscape: Road America, Mid-Ohio Sports Car Course, and The Milwaukee Mile. Each of these tracks fully replace the older versions and are top-notch racing locations. Both Summit Point Raceway and Road Atlanta have also received a major artwork update, taking their appearance into the m…
- 2026 Season 3 Patch 3 Hotfix 2 Release [2026.07.17.01] - 21 July 2026
2026 Season 3 Patch 3 Hotfix 2 Release Notes \======================================================================== Hotfix Release:—---------------------------------------------------------This downtime was unplanned and is required for fixing a critical issue with iRacing. Simulation:—--------------------------------------------------------- Race ControlFixed an issue where caution states were transitioning incorrectly. This could cause the entire field to be required to pass the pace car on delayed restarts. User InterfaceAdjusted the level of zoom on the Track Map widget for some tracks. SpotterAdded the latest Japanese spotter pack updates. Cars:—--------------------------------------------------------- Dallara IR18Added an additional final drive gearing set to specifically improve performance at superspeedways.
- 2026 Season 3 Patch 3 Hotfix 1 [2026.07.14.02] - 15 July 2026
This Hotfix contains some fixes and updates for the 2026 Season 3 Release.You can find the Release Notes for this Hotfix below, or on the iRacing Forums here: 2026 Season 3 Patch 3 Hotfix 1 Release Notes \ — iRacing ForumsPatch Release:—---------------------------------------------------------This downtime is for a hotfix to fix a loading issue with the Acura NSX GT3 EVO 22. Cars—---------------------------------------------------------Acura NSX GT3 EVO 22Fixed a loading issue with this car where members could not enter the car once joining a session.Formula VeeIn partnership with Sabre Racing Cars, the Formula Vee - Cutlass has been renamed to Formula Vee - Sabre.
- 2026 Season 3 Patch 3 Release [2026.07.10.04] - 14 July 2026
This Patch contains some updates and fixes for the 2026 Season 3 Release.You can find the Release Notes for this Patch below, or on the iRacing Forums here: 2026 Season 3 Patch 3 Release Notes \ — iRacing ForumsPatch Release:—---------------------------------------------------------This release is a Patch, focusing on additional updates, improvements, and fixes for the 2026 Season 3 Release. Simulation—--------------------------------------------------------- Race ControlAn early version of a multi-class multi-pace car race start system has been implemented, and will be testable by you in an upcoming limited-time “iTested” Official iRacing Series!Participants in this Series will receive the coveted “iTested” account Award badge, and will help us collect test data on how this feature is operating. Once analyzed, this test series results may give us a better time estimate on when you can…
- 2026 Season 3 Patch 2 Release [2026.06.24.02] - 25 June 2026
2026 Season 3 Patch 2 Release Notes \======================================================================== Patch Release:—---------------------------------------------------------This release is a Patch, focusing on additional updates, improvements, and fixes for the 2026 Season 3 Release. iRACING Launcher—---------------------------------------------------------Paint KitFixed an issue where car paints would not render accented characters when painting a driver name onto a car. Simulation—---------------------------------------------------------GeneralFixed an issue where having accented or some non-english characters in your Windows username could prevent the Simulator from launching. Race ControlFor the race control rules governing pit speed limit, the rules will now have a notion of how far ahead of where the car is now it should be within given timeframes regardless of speed. Thi…
- 2026 Season 3 Patch 1 Release [2026.06.12.02] - 15 June 2026
2026 Season 3 Patch 1 Release Notes \======================================================================== Patch Release:This release is a Patch, focusing on additional updates, improvements, and fixes for the 2026 Season 3 Release. iRACING Launcher—---------------------------------------------------------Demo DriveFixed an issue where the BMW M2 Racing (G87) was unavailable for use. Simulation—---------------------------------------------------------InstallerFixed an issue where iRacing was not correctly prompting the required installation of Microsoft VC redistributable packages that are needed by iRacing to function. AI RacingAI Drivers have completed boot camp, and are now fully trained and ready for racing at Qualcomm Circuit (Naval Base Coronado)!Fixed an issue where AI Drivers could incorrectly apply brakes when being bump drafted.AI Drivers have improved their overall skills…
- 2026 Season 3 Initial Release [2026.06.09.01] - 10 June 2026
2026 Season 3 Initial Release Notes \—---------------------------------------------------------The iRacing 2026 Season 3 Release Build is on the grid and ready to fly! This is one of four major annual releases for iRacing, and it adds new content, features, upgrades, and more fixes than an expert pit crew could apply during a 24-hour special event. iRacing 2026 Season 3 officially starts on June 16th at 0000 UTC!The wait is over - AI Racing has arrived at Dirt Ovals! AI Drivers are ready to challenge you in the dirt at TWELVE of our Dirt Oval tracks with either the Dirt Street Stock or the Dirt Legends Ford '34 Coupe! Two brand new vehicles arrive on our service, including the BMW M2 Racing (G87) and the EURO NASCAR V8GT. We have also added two new body types for the Formula Vee; Cutlass and Conqueror, which capture the worldly spirit of grassroots racing. Get ready to spend some time i…
- 2026 Season 2 Patch 4 Hotfix 1 Release [2026.05.20.05] - 21 May 2026
2026 Season 2 Patch 4 Hotfix 1 Release Notes \===========================================================================Hotfix Release:This release is an unplanned Hotfix, required to fix a critical issue or problem with the 2026 Season 2 Release.We apologize for the short notice before this downtime occurred.Simulator—---------------------------------------------------------SessionsFixed an issue where some users were unable to connect to multiple events in succession without restarting iRacing.
- 2026 Season 2 Patch 4 Release [2026.05.04.02] - 6 May 2026
2026 Season 2 Patch 4 Release Notes \—---------------------------------------------------------Patch Release:This release is a Patch, focusing on additional updates, improvements, and fixes for the 2026 Season 2 Release. Simulator—---------------------------------------------------------GeneralAfter installing this Patch, customers with NVidia GPUs should expect a Windows Security popup related to allowing public and private network access for iRacing.This is appearing as a result of preparations for the release of the Apple Vision Pro device support, coming soon!If you do not have nor intend to use an Apple Vision Pro device, you can disregard this request.Race ControlFixed an issue where the pace car could speed out of the pits at an unrealistic velocity, only to pick up the wrong lead car.This was most often triggered in sessions with AI Drivers. Fred, Flawless Wheelman, has improved…
- 2026 Season 2 Patch 3 Release [2026.04.21.01] - 22 April 2026
2026 Season 2 Patch 3 Release Notes \—--------------------------------------------------------- Patch Release:This release is a Patch, focusing on additional updates, improvements, and fixes for the 2026 Season 2 Release. Simulator—--------------------------------------------------------- AI RacingAI Drivers have improved their racing skills with the Nissan GTP ZXT. User InterfaceFor the Throttle/Brake Widget, an ABS line highlight has been added.Fixed an issue where performance could be adversely affected by the Results tab.Fixed an issue where UI elements were not positioned correctly after loading into VR on certain headsets and with certain positions.Fixed an issue where mirrors could sometimes display as black. Mirrors may flicker black at initialization, but they should become and stay reflective before you even have a chance to put your foot on the gas!Fixed a crash that could oc…
- 2026 Season 2 Patch 2 Release [2026.04.06.02] - 7 April 2026
2026 Season 2 Patch 2 Release Notes \---------------------------------------------------------Patch Release:This release is a Patch, focusing on additional updates, improvements, and fixes for the 2026 Season 2 Release. iRacing Launcher---------------------------------------------------------Paint KitThe Fanatec sponsor logos have been updated. Simulator---------------------------------------------------------AI RacingFixed an issue where AI Drivers could fail to post Qualifying times if the player advanced the event too quickly. The AI Drivers now operate at simulated lightning speed, and will post Qualifying times.In AI Solo events, when the player quits the race between the green and checkered flags, the AI race results are estimated. An error in lap counting resulted in an underestimation of the laps completed by the AI. The error had no impact if the player quit during the first la…
- 2026 Season 2 Patch 1 Release - 16 March 2026
======================================================================== 2026 Season 2 Patch 1 Release Notes \—--------------------------------------------------------- Patch Release:This release is a Patch, focusing on additional updates, improvements, and fixes for the 2026 Season 2 Release. iRacing Launcher—--------------------------------------------------------- Paint ShopFixed an issue where the artwork for the new sponsors we added for 2026 Season 2 were not showing up on vehicles. This is fixed, and the logos are now appearing correctly. The following new sponsors were added to the Paint Kit:Asetek RacingGood RanchersHolley Performance BrandsHolmatroJerky BoysLarry Chen PhotoLVRYNova MotorsportPAGID RacingPenske Racing ShocksPPGRoot InsuranceRoush Yates Manufacturing SolutionsSafecraftFixed an issue where the updated artwork for the updated sponsors for 2026 Season 2 was not sho…
- 2026 Season 2 Release - 10 March 2026
2026 Season 2 Initial Release Notes \---------------------------------------------------------The iRacing 2026 Season 2 Release Build is revving its engine and waiting for the green to drop! This is one of four major annual releases for iRacing, and adds new content, features, upgrades, and more fixes than would fit in an iRacing Arcade campus grid. iRacing 2026 Season 2 officially starts on March 17th at 0000 UTC!iRacing adds two new garage bays to the world’s best racing simulator, featuring the Audi RS3 LMS Gen2 TCR and the NASCAR Truck RAM. The legendary street course, St. Petersburg Grand Prix is now also fully available for racing. Barber Motorsports Park has been fully rebuilt from scratch, utilizing new scan data, and sweeping art updates have been completed at Lanier National Speedway, Langley Speedway, and USA International Speedway.The iRacing in-Sim interface (HUD) continues…
- 2026 Season 1 Patch 3 Release Notes [2026.02.02.02] - 3 February 2026
2026 Season 1 Patch 3 Release Notes \---------------------------------------------------------This Patch Release contains updates and fixes for 2026 Season 1. iRacing---------------------------------------------------------SessionsA new User Preference has been added, which automatically launches a Session for which you are registered once it becomes available.You can enable this auto-launch feature in Settings > Preferences. Steam MembersImproved the purchase flow for our iRacing Members who use Steam.Fixed navigation errors when clicking payment-related buttons and streamlined the process of making purchases through Steam.Customers are no longer directed to the Legacy Membersite to complete purchases. iRacing Simulator---------------------------------------------------------Race ServersFixed an issue where some interim session results were not always being transmitted to customer clie…
- 2026 Season 1 Patch 2 Release - 5 January 2026
This Patch Release contains updates and fixes for 2026 Season 1. iRacing Simulator---------------------------------------------------------AI RacingAI Drivers have improved their racing skills with the Mercedes-AMG W12 E Performance.AI Drivers have improved their racing skills with the GTP Car Class. GraphicsThe shiny metallic tire shader has been applied to GTP car tires.For a variety of NASCAR tracks, updated the Musco lighting near pit road so that they illuminate properly at night. TelemetryThe secondary incident limit has been added to the session string as "IncidentWarningInitialLimit" and "IncidentWarningSubsequentLimit". User InterfaceCompleted the conversion of the "iRacing" driver flag to the "Global" driver flag.Fixed some issues with Timing column widths on Relative and Standings overlays.Removed a duplicate spotter text message setting.Fixed a few issues with the Widget Edi…
- 2026 Season 1 Patch 1 Hotfix 1 Release Notes [2025.12.16.02] - 17 December 2025
This Hotfix Release contains a critical fix for an unpredicted serious issue with the 2026 Season 1 Initial Release. iRacing Simulator---------------------------------------------------------WeatherFixed a critical issue that could crash Race Servers where the code managing water heights and rain rates at certain tracks could exceed the allowable value bounds.
- 2026 Season 1 Patch 1 - 15 December 2025
2026 Season 1 Patch 1 Release Notes \--------------------------------------------------------- This Patch Release contains important fixes as well as some updates for the 2026 Season 1 Release. iRacing Simulator--------------------------------------------------------- AI RacingAI Drivers have improved their racing skills with the following vehicles: NASCAR Truck SeriesMercedes-AMG W13 E Performance. User InterfaceFixed a critical issue where the interface was blurry for some VR users.Fixed an issue where certain dropdown selections would be blank in the Options menu.Fixed an issue where the FOV calculation was not being saved correctly.Fixed an issue where some widgets were not responding to opacity changes correctly.Fixed an issue with license data overlapping the delta time in the large Relative Standalone Widget.Fixed a few issues with the rows for the Standings and Relative Standalo…
- 2026 Season 1 Initial Release - 9 December 2025
2026 Season 1 Initial Release Notes \----------------------------------------------------------The iRacing 2026 Season 1 Release Build is out of the paddock and on the starting grid! This is one of four major annual releases for iRacing, and adds new content, features, upgrades, and a toolbox-full of fixes for 2026 Season 1, which officially starts on December 16th at 0000 UTC!We have wasted no time in advancing our new Sim UI towards the next level of awesome and have added several new features for this release, including: Options Search, four Black Box pages have been repackaged into standalone Widgets, and substantial UI customization is now available via the new Widget Editor feature! Standalone Widgets are read-only UI elements you may place anywhere on your screen to monitor important data, including: Lap Timing, Relative, Standings, and Weather. Options Search will let you short-…
- 2025 Season 4 Patch 4 Release - 19 November 2025
2025 Season 4 Patch 4 Release Notes \ This Patch Release contains important fixes as well as some updates for the 2025 Season 4 Release. Simulation:PerformanceFixed a recent and prevalent issue where framerate significantly drops after racing for some length of time.Race ControlSlightly improved the precision used for verifying missed checkpoints and course cut black flags.AI RacingAI Drivers have improved their racing skills at Circuit des 24 Heures du Mans.AudioFixed an issue where the RPM on nearby opponent cars could appear to sound substantially too high.User InterfaceImproved the performance and functionality of the Skew (S) meter.Corrected some bindings for Best Times and Delta Times.Add a subtle background to the Player’s entry for Relative Brake Bias.Fixed an issue in Settings where the FOV calculator would not accept text inputs.Fixed an issue where the Custom Sector box was n…
