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Operation Sports

Steve Noah

Project Motor Racing Update 1.5.0.1 Available - Patch Notes

Porsche

Project Motor Racing stumbled out of the gate and the team acknowledges it. They’ve told players their concerns were heard loud and clear, adding that the goal now is to regain trust through steady updates rather than statements.

In the meantime, patch 1.5.0.1 is live on all platforms and packs in a long list of fixes and upgrades. It includes noticeable changes for GT3, some tweaks for LMDh, better online and multiplayer stability, gameplay adjustments, improved AI, support for more wheels and pedals, and plenty of other tweaks under the hood. Check out the patch notes below.

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Added a new warning message when the game client is outdated and cannot play online.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.
Tire 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 tires 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

Enhanced traction-control behaviour at low speeds.
Iterated on cold-tire falloff and steering-rack speed.
Aston Martin Valkyrie: applied new performance data as part of pad-driving fixes.
Additional manual adjustments applied to support improved drivability based on player feedback.

GT Classes

GT3

Altered grip falloff at slip for more consistent handling.
Standardised steering, tie-rod, and damping stiffness for a tighter, more unified feel.
Updated tire adhesive falloff across all compounds.
Added slight cold-temperature falloff to balance increased grip.
Improved default setups to all GT3 cars based on player feedback.
Handling revision:
- Adjusted decel torque and engine inertia.
- Updated throttle-blip behaviour.
- Cars now roll more naturally into corners, (note: may require brake-bias adjustments).

GT4

Adjusted adhesive grip falloff across all compounds to align with GT3 improvements.
Improved default setups to all GT4 cars based on player feedback.

Cup & Other Classes

Porsche 992 Cup – Improved default setups based on player feedback.

Tracks

Nurburgring Nordschleife

Reduced 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