Updates to Company of Heroes have been released. The updates will be applied automatically when your Steam client is restarted. The specific changes include:

Company of Heroes

• Added warning on option screen for excessive memory usage
  
• Fixed crash on entity spawn (occurs with several mods)
  
• Fixed various other crashes
  
• Fixed various memory leaks
  
• Window maximize button switches windowed mode back to full screen
  
• Fixed D3D10 sky shader
  
• Fixed D3D10 stippled scarring
  
• Better color for HTML news links

Source