The New Key Tools toolbar includes tools to work with keys and tangents.
 
		
Snap Scales 
		  
Scale Tangents Up 
		  
Scale Tangents Down 
		  
Flatten 
		  
Grow Key Selection 
		  
Select Next Key 
		  
Isolate Curve 
		  
Ease to Next Key 
		  
Flatten to Average Value 
		  
Loop 
		  
Nudge 
		  
Split 
		  
Mirror Tangents 
		  
Space Keys Evenly 
		  
Relax Keys