Note for macOS users : Build 74625 is available but has slightly lower performance due to OpenGL-to-Metal translation layers. Windows remains the primary platform.

This affects DLS access for some users. : Log out of MyTrainz in Content Manager, then log back in. Ensure your FCT (First Class Ticket) is active.

Should you stick with Build 74625 or upgrade? Here’s the consensus:

The base game typically features four main routes with dozens of sessions: Chesapeake & Ohio RR : A classic heavy-haul freight route. ECML Kings Cross - Edinburgh

| Metric | Build 67459 | Build 74625 | |--------|-------------|-------------| | Avg FPS (1080p, High) | 34 fps | 52 fps | | 1% Low FPS | 18 fps | 38 fps | | Load time (route + session) | 2 min 15 sec | 1 min 08 sec | | Texture pop-in severity | High | Low | | Crashes per 4 hours | 1-2 | 0 |

The built-in Content Manager (T:ANE CM) received a major speed boost. Database repairs that took 45 minutes in Build 67459 were reduced to 12–15 minutes in 74625. Filtering by “Out of date” or “Faulty” assets became instant.