The update places a heavy emphasis on freight behavior. Couplers now have more realistic slack simulation. When you throttle up with a heavy consist behind the ET25, you can feel the weight transferring through the wagons. It is no longer a case of a train acting as one solid block; it is now a chain of individual masses. This makes braking and acceleration a game of strategy. Brake too hard, and you risk a rough coupling jolt; accelerate too fast, and you might damage the cargo.
Build 10583330 for SimRail - The Railway Simulator is a significant update that introduced the and addressed various multiplayer and technical issues . Key Update Highlights (Build 10583330) SimRail - The Railway Simulator Build 10583330
That was as real as steel.