Update log
Full Project Motor Racing update
The complete published notes, normalized for clean reading and source attribution.
Extracted changes
- Gameplay
- Fixes
- Workshop
- Server
- Performance
- UI and audio
Patch Notes – Version 1.5.0.1
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Added a new warning message when the game client is outdated and cannot play online.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.
- CosmeticImproved pit-exit behaviouroverlapping 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
- CosmeticMazda RX-7Added front chassis blocker.
- CosmeticPanoz Esperante GTR1Updated diveplanes and corrected attachment across all LODs.
- CosmeticPorsche 911 GT3 (2004)Improved cockpit mirror vibration.
- CosmeticCamaro ZL-1 GT4Adjusted brake-light physical position.
- CosmeticCorvette C5R, Mercedes CLK-LM, Toyota Supra GT4Added missing window-banner shadow meshes.
LMDh
Enhanced traction-control behaviour at low speeds.
Iterated on cold-tyre falloff and steering-rack speed.
- Aston Martin Valkyrieapplied 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 tyre 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
- CosmeticPorsche 992 CupImproved default setups based on player feedback.
Tracks
Nurburgring Nordschleife
Reduced brightness and opacity of ground and wall graffiti.
Other Tracks
- CosmeticZolderReopened garages that were unintentionally closed.
- CosmeticNürburg GPRestored missing dressing for Sprint layout; added dressing across all variants.
Audio
Added cockpit RTPC parameter to improve exhaust attenuation in the Valkyrie.
- Updated Valkyrie audioadded subwave, rebalanced exhaust, boosted
Source
