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                Is there a limit to the undos?  I thought I used to be able to undo many times but for some reason today I could only undo something around 5 times.  I didn't change any settings. Are they in the Preferences somewhere?  Couldn't located a setting for them.. . please help. Thank you.
            
  
         
     
 
    
        
            
     
    
        
            
        
     
 
    
        
     
 
            
        
            
        
            
            
    
        
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                Originally Posted by: flatpack  Is there a limit to the undos?  I thought I used to be able to undo many times but for some reason today I could only undo something around 5 times.  I didn't change any settings. Are they in the Preferences somewhere?  Couldn't located a setting for them.. . please help. Thank you.
Hello Flatpack,
Some operations are canceling the undo list. 
Example :
- Make a solid and modify, add, remove, simplify, blend, shell....the undo list is incrementing ---> you can come back to step 1 by undoing.
- But if you select one solid and chose "Remove links" ---> the entire undo list is wiped off. It is impossible to get the links back or undo any step prior to that. 
Maybe Tim or Todd could explain why ?
Regards,
JL
 
            
  
         
     
 
    
        
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                in general, be careful with Undos which may unnoticeably corrupt your model... do a "Save as..." to a dedicated file (e.g. by adding a serial number "xyz.01.sfx" etc.) before doing this.
Edited by user  Thursday, June 6, 2019 4:47:27 AM(UTC) 
 | Reason: Typo 
 
            
  
         
     
 
    
        
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                I'd be careful with an undo. Ive done it a few times on a sketch with constraints and it goes all over the place. 
            
  
         
     
 
    
        
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                Thanks everyone – had no idea that undo's could be wiped out by removing links.  I would think undo would undo-remove-links.  Oh well...  At least we have a history-tree normally outside of that.
            
  
         
     
 
    
        
            
     
    
        
            
        
     
 
    
        
     
 
            
        
    
                           
    
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