Today, Monday 8th December, we will be releasing a hotfix update for Train Simulator TS2015. The hotfix updates the core game files to latest version of Steam’s API in order to ensure continued compatibility with the Steam platform. The update is approximately 22.3 MB in size and makes no changes to the content of the game but the version number will change to 49.4a. As usual, the hotfix will download automatically from the Steam client once released.