Project Motor Racing – Update V1.5.0.5 Deployed

Project Motor Racing
Project Motor Racing - Update V1.5.0.5

Straight4 Studios has deployed the first 2026 update for Project Motor Racing. Update V1.5.0.5 delivers a range of improvements across visuals, performance, AI behaviour, penalty system, audio, and tracks.

The development team focused its work on clean-up, consistency, and long-standing edge cases, with refinements based directly on community feedback.

Check out the full changelog for all teh details.

Changelog V1.5.0.5:


Graphics, Performance & Display

  • Simplified and fixed VSync handling
  • The frame rate limiter is now always available.
  • Double and triple buffering options have been removed.
  • Increased maximum frame rate limit to 180 FPS.
  • Removed the “Off” option from the frame limiter.
  • Added support for AMD FFX SDK 2.0, improving upscaling and performance compatibility.

Radar System & Race Awareness

  • Radar System polished and optimised with smoother rotation
  • More accurate proximity warnings
  • Corrected vehicle length alignment (front-to-rear)
  • Fixed issues where yellow flags and backmarker voice-overs could trigger from inactive cars in online sessions.
  • Fixed the issue where the radar could throw an error after pausing and restarting a session.
  • Improved overall radar stability and accuracy, especially online.

Penalty System & Track Limits

  • Refinements to penalty detection and messaging
  • Off-track penalties now require all four wheels to be on a non-drivable surface.
  • Added clearer feedback messages: Under Investigation and No Further Action
  • “Under Investigation” will no longer appear on the first lap of Practice or Qualifying.
  • “Under Investigation” notifications now clear correctly when entering the pits.
  • Improved penalty calculations
  • Distance-gained factor is now clamped to prevent excessive penalties.
  • Fixed cases where AI penalties could be assigned to incorrect track sections.
  • Fixed known cases where AI penalties could be assigned to incorrect track sections.
  • Fixed known cases where pit lanes could be exploited without penalties on certain tracks.
  • Fix to unfair penalties for minor track cuts.

AI Improvements

  • Improved collision behaviour between player and AI cars.
  • Reduced excessive sliding and brake locking on LMDh AI opponents.
  • Improved tyre grip behaviour for LMDh AI opponents.
  • Fixed brake and tyre heat spikes for AI opponents.

Audio Improvements

  • Improved collision audio response.
  • Attenuation tweaks to turbo and backfires.
  • Added low-pass filtering to car-to-car scrape audio for improved realism.

Multiplayer & Stability

  • Fixed crashes when accessing multiplayer with missing or invalid driver profile data.
  • Fixed a crash when opening the driver profile menu with invalid profile entries.
  • Speculative fix for broken multiplayer replay loading.

Career & Game Flow

  • Removed hardcoded career length, allowing for more flexible progression.
  • Default session time changed to 10:00 AM with light rubbering.
  • Updated French localisation for tyre compounds.

Vehicles

  • Numerous fixes and improvements across GT and Group C cars.

Tracks & Environments

  • Numerous fixes and refinements across many circuits.
  • Additional environment improvements.

Input & Controls

  • Fixed an issue where the pit limiter might not turn off automatically after rebinding inputs.
  • Improved controller behaviour consistency across platforms.

General Fixes & Polish

  • Fixed multiple crash scenarios across physics, audio, radar, multiplayer, and UI.
  • Improved data validation and cleanup for collision and penalty systems.
  • Numerous smaller stability, performance, and visual polish improvements throughout the game.

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.


Official Webpage – straight4.comProject Motor Racing