It would be nice to be able to "move" a selection from one sheet to another so it does not destroy the part numbering.  Using "copy/paste" or "cut/copy" is not predictable for what part nmber will be allocated.
            
                        
            
                                    
              
                Electron
                  4.2.10
                Windows
                  10
                                EasyEDA
                  6.4.25