For many, this version represents the "Gold Standard" of the game's performance before the later patches shifted focus toward the Royal Edition content, which changed some of the fundamental balance of the early-game chapters. Conclusion
For users on older hardware or specific Windows 10 builds, v1138403 is often cited as the smoothest performing version of the Luminous Engine. Key Features of the Windows Edition
Final Fantasy XV Windows Edition v1138403: The "A Exclusive" Phenomenon Explained