Project Motor Racing – Update V1.5.0.1 Deployed

After a somewhat rough launch, the Project Motor Racing development team is hard at work to iron out the most urgent fixes and improvements.

Update V1.5.0.1 is now deployed on PC, PlayStation 5, and Xbox Series X|S, adding a healthy number of fixes and improvements to the game, including important enhancements to the GT3 class and tweaks to the LMDh vehicles.

Changelog V1.5.0.1

Online & Multiplayer

• Added a new warning message when the game client is outdated and cannot play online.
• Fixed a missing callback that caused version-mismatch connection failures.
• Fixed an issue where selecting a lobby on a different backend prevented selecting other lobbies – lobby details are now fetched only when attempting to join.
• Fixed a Lua error caused by incorrect parameter order during failed Social Event matchmaking.
• Fixed an issue where players could fail to sign in due to legacy avatar data.
• Improved shutdown handling of audio graphs when network users disconnect.
• Improved server performance.
• Fixed a crash caused by processing the lobby list twice.
• Fixed missing text in the player reporting dialog.
• Fixed a crash when finishing a Social Race.

Stability & Systems

• Added protection in audio code to prevent rare invalid value (“NaN”) errors.
• Addressed fast-math divergence between platforms to improve simulation consistency.
• Fixed incorrect vehicles showing up in License Test after starting an Endurance race.
• Added additional null-pointer protection and increased memory headroom for True-Track presets to resolve rare crashes.
• Fixed a memory leak in True2Track preset handling.
• Improved code logic to prevent unexplained crashes during audio and gameplay operations.

Gameplay

• 1st infringement penalty warning added based on feedback.
• Disabled frame-rate limiter during replays.
• Tyre Warmer setting now defaults ON in new profiles.
• Fixed an issue where certain vehicle setup values were not applied to physics when loading setups.
• Removed debug Page Up/Page Down camera-cycle keys.
• Reduced skid-audio sensitivity on dry tyres for clearer feedback during understeer.
• Improved pit-exit behaviour – overlapping exit lines no longer allow unsafe merges.

First-Time User Experience (FTUE)

• Fixed soft-lock and backspace issues during calibration.
• Updated FTUE assist presets to better values.

Driver AI

• Improved AI lateral awareness to combat AI driver blind spots.
• Improved AI driver engine stall restart logic.
• Enhanced AI logic to help combat AI-to-player collisions.

Vehicles

General Fixes

• Mazda RX-7 – Added front chassis blocker.
• Panoz Esperante GTR1 – Updated diveplanes and corrected attachment across all LODs.
• Porsche 911 GT3 (2004) – Improved cockpit mirror vibration.
• Camaro ZL-1 GT4 – Adjusted brake-light physical position.
• Corvette C5R, Mercedes CLK-LM, Toyota Supra GT4 – Added missing window-banner shadow meshes.

LMDh

• Fixed low-level fast math optimisation affecting tyre surface.
• Enhanced traction-control behaviour at low speeds.
• Iterated on cold-tyre falloff and steering-rack speed.
• Aston Martin Valkyrie: applied new performance data as part of pad-driving fixes.
• Additional manual adjustments were applied to support improved drivability based on player feedback.

GT Classes

GT3

• Fixed low-level fast math optimisation affecting tyre surface.
• Standardised steering, tie-rod, and damping stiffness for a tighter, more unified feel.
• Improved default setups for all GT3 cars based on player feedback.

GT3 Handling revision:

• Fast math optimisation reverted in engine inertia.
• Updated throttle-blip behaviour.
• Cars now roll more naturally into corners (note: may require brake-bias adjustments).

GT4

• Improved default setups for all GT4 cars based on player feedback.

Cup & Other Classes

• Fixed low-level fast math optimisation affecting tyre surface.
• Porsche 992 Cup – Improved default setups based on player feedback.

Tracks

Nordschleife

• Reduced the brightness and opacity of ground and wall graffiti.

Other Tracks

• Zolder – Reopened garages that were unintentionally closed.
• Nürburg GP – Restored missing dressing for Sprint layout; added dressing across all variants.

Audio

• Added cockpit RTPC parameter to improve exhaust attenuation in the Valkyrie.
• Updated Valkyrie audio: added subwave, rebalanced exhaust, boosted mid frequencies.
• Replaced and remixed engine audio for the Porsche 963 and Peugeot 9X8.

Input, FFB & Hardware Support

Newly Supported Devices

Steering Wheels / Wheelbases / Shifters

• Aiologs H-Pattern Shifter
• Generic H7R Shifter
• Hori FFB Truck Control System + Shifter
• SimLab SQ-1 Shifter
• Cammus C12 Wheel
• Cammus C12 Wheelbase
• Lunatech AMG GT3/GT4 Wheel
• Pokornyi GTE Pro Wheel
• El-Halo-X Wheel

Pedals

• Simagic P500 Pedals
• Cammus LC100 Pedals
• MECA CUP1 Pedals
• Simjack Pro Pedals
• 3DRap HC01 Pedals
• Updated Heusinkveld HE Sim Pedals (DIView calibration support)
• New HE variant with updated VID

Controllers / Boards

• Generic Key Control Console Button Box
• Arduino Leonardo–based devices
• Additional PXN wheelbase devices

Fixes

• Updated Simagic P1000 Pedals to correct an outdated PID.
• Fixed an issue affecting some Logitech wheels around rotary dials.

Project Motor Racing is available via Steam and the Epic Games Store.

Standard Edition:

• US Dollar (USD): $59.99 (on Steam, official website) or $69.99 (on Xbox)
• Euro (EUR): €59.99
• British Pound (GBP): £49.99

Year 1 Bundle / Deluxe Edition (Includes Year 1 Season Pass):

• US Dollar (USD): $89.99 (on Steam, official website) or $99.99 (on Xbox)
• Euro (EUR): €89.99
• British Pound (GBP): £79.99

Please note that prices can fluctuate based on region, retailer, and any current sales or promotions.

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Official Webpage – straight4.com – Project Motor Racing

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