Update #11 includes additional performance improvements as well as some bug fixes and general game improvements. Here are the patch notes:

Bus Simulator 18 (PC) – Update #11

• Fixed an issue that could cause crashes in multiplayer games if a player was using a bendy bus.
• Multiplayer Rights Management is now offering full game controller support.
• It is no longer possible to bypass Multiplayer Rights Management restrictions when using a gamepad.
• Performance improvements
• Some smaller fixes for the buses