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iRacing
Massively MultiplayerRacingSimulation
iRacing.com Motorsport Simulations, iRacing · iRacing.com Motorsport Simulations, iRacing·$9.99
Oct 13, 2021 · 58mo ago

2021 Season 4 Patch 2 Hotfix 1 Release [2021.10.08.01]

AI summary1mo

Hotfix 1 for Season 4 Patch 2 focuses on a significant rendering optimization for DX11, removal of meatball flags for Dirt Oval racing, and various UI and car setup updates.

Buffs2

  • Dirt Oval RacingDirt Oval vehicles will no longer receive meatball flags for excessive damage, allowing drivers to decide when to retire from a race.ActiveRemoved
  • Rendering EngineTrack Surface Decal (TSD):Optimized TSD rendering to reduce CPU bottlenecks, potentially increasing frame rates by up to 25% on some hardware.Optimized

Bug fixes3

  • General UIAI Opponent Rosters:Fixed a bug that prevented the deletion of custom specular maps from AI Opponents.
  • Rendering EngineFixed an issue where rubber appeared to be laid down heavily on grass surfaces.
  • Circuit de Spa-FrancorchampsCorrected the placement or model of a janky yellow cone on the track.JankyFixed

Other changes4

  • General UIThe results screen now explicitly displays '± 0' when a driver's Safety Rating remains unchanged after a race.± 0
  • Lotus 79iRacing base setups have been updated for better performance/handling.Updated
  • NASCAR Next Gen ClassiRacing base setups have been updated for the Next Gen class cars.Updated
  • Street StockOpponent Steering Wheel:Reverted the experiment that placed opponent steering wheels on the roof of the car.RoofInterior

subjects affected (7)

tap to see balance history

How did this patch land?
🔗
official notes
iRacing · Oct 13, 2021

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Patch history

see all 51

  1. 2026 Season 3 Patch 3 Hotfix 1 [2026.07.14.02]Jul 15, 2026 · 1w

    Hotfix addressing a critical loading issue for the Acura NSX GT3 EVO 22 and a rebranding for the Formula Vee.

  2. 2026 Season 2 Patch 4 Hotfix 1 Release [2026.05.20.05]May 21, 2026 · 2mo

    A critical hotfix addressing connectivity issues when joining consecutive events.

  3. 2026 Season 1 Patch 1 Hotfix 1 Release Notes [2025.12.16.02]Dec 17, 2025 · 7mo

    Critical hotfix addressing server crashes caused by weather system value overflows.

  4. 2025 Season 4 Patch 3 Hotfix 1 Release Notes [2025.10.17.01]Oct 21, 2025 · 9mo

    Critical hotfix addressing a car loading failure and a UI bug regarding tire options.

  5. 2025 Season 3 Patch 4 Hotfix 1Aug 12, 2025 · 11mo

    Critical stability fix for Moza hardware and UI improvements for the Dallara IR18.

    +2
  6. 2025 Season 3 Patch 3 Hotfix 1 Release Notes [2025.07.02.02]Jul 3, 2025 · 12mo

    Critical hotfix addressing system stability, CPU alert logic, and disabling specific Moza wheel effects to prevent crashes.

    1
  7. 2025 Season 3 Hotfix 1 [2025.06.10.04]Jun 11, 2025 · 13mo

    2025 Season 3 Hotfix 1 focuses on critical stability fixes for race servers, the updater, and Charlotte Motor Speedway, alongside setup updates for the NASCAR Cup Series Gen 7.

  8. 2025 Season 1 Hotfix 2 Release Notes [2024.12.16.02]Dec 17, 2024 · 19mo

    A hotfix focusing on critical simulation stability, AI behavior fixes, and various car-specific visual and physics adjustments for the 2025 Season 1 release.

    +2

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