An update for Bus Simulator 18 PC version Steam has just been released. It features a new feature called Bus Shop along with a number of small bug fixes and game improvements.
Bus Shop is just a window to buy DLC for the game. They will be easier to manage in the future. Which heralds the development of an add-on for Bus Simulator. Several minor fixes, including the size of the save files, are also included in this update, which is mainly there to prepare the ground for the next DLC bus pack.