The once a month whql drivers got daft after a while as they were always behind where they needed to be, whql certifying takes something like 2 weeks iirc so any issues that cropped up needed to be fixed in a hotfix or in a driver further down the line.
	
		
			
		
		
	
				
			 
	 
  
 
		 
 
		 
 
		
 
 
		
 
 
		
 
 
		
 
 
		