I would like to install Big Sur on my development machine.  But I get the message that I need at least 30 GB of free disk space.  But there are 50 GB free.  Does anyone else have this problem?
        
      
      
    Big Sur too little disk space
        
          Yes same issue. i have 32 GB free and it is asking 18 Gb more so 50Gb
        
      
      
    
        
          I had the same issue. I had to turn off time machine and delete old snapshots.
        
      
      
    