(Deduction for breaking VR mods; bonus points for finally fixing the memory leak) Update Note: This article refers to Steam Depot ID 2783880. Always verify your build number by right-clicking the .exe -> Properties -> Details. Build 11779437 is the gold standard for Japanese rail simulation in 2024.
Additionally, the build contains commented code regarding . Currently, the game only supports DLSS 2.0; Frame Generation is likely coming in Build 11800000. Conclusion: Is Build 11779437 Worth It? If you already own JR EAST Train Simulator, Build 11779437 is a mandatory installation . The performance uplift on mid-range hardware is significant, and the input lag reduction transforms the experience from a clunky tech demo into a polished simulator. JR EAST Train Simulator Build 11779437
In this article, we will break down everything you need to know about this specific build—from technical patch notes to performance benchmarks, and why this version number has become a hot topic on rail forums. Before dissecting Build 11779437, it is crucial to understand what this software actually is. Developed in partnership with East Japan Railway Company (JR East), this is not a typical consumer train sim. It utilizes actual commercial driving data (including gradient resistance, ATS/ATC signals, and real-world physics logs) recorded from real revenue services. (Deduction for breaking VR mods; bonus points for
Unlike Western sims that often "approximate" train handling, JR EAST Train Simulator plays back telemetry data from the actual driver’s console. If you brake too late, the physics don't just "feel wrong"—they are mathematically incorrect relative to the real train’s deceleration curve. Additionally, the build contains commented code regarding
For the purist, Build 11779437 offers the most authentic braking curve simulation on the market. You cannot "cheat" the deceleration; the train weight calculation is live and unforgiving. According to data-mined strings within Build 11779437, references to "H5 Series Shinkansen" and "Hakodate LIDAR data" suggest that JR East is preparing a Hokkaido Shinkansen expansion. However, the build number indicates this will be a free core update preceding a paid DLC.
Published by: Rail Enthusiast Tech Category: Game Updates & Simulation
| Metric | Build 116700 | Build 11779437 | | :--- | :--- | :--- | | | 58 fps | 87 fps | | 1% Low FPS | 42 fps | 71 fps | | VRAM Usage | 6.2 GB | 5.1 GB | | Load Time (to cab) | 24 seconds | 14 seconds |