На стим вышло новое обновление=) список изменений ниже=)

Steam Client

• Win32 side support for Steam Play / Steam Cloud integration with upcoming Mac titles
  
• Fix a regression causing Steam to fail if installed in a path with non-ascii characters
  
• Fix to grant achievements based on stat progress if progress is 100% but the achievement was not previously granted
  
• Fix a case where opt-in free games like the Counter-Strike: Source Beta would not appear in the library view until installed.