Chrome on Windows 7 and Window 10 (and even if you fix that what if I want to use alt tab?)
(I’d personally suggest alt+up/Alt+down or shift+k/l).
Update: Ctrl-alt-up and ctrl-alt-down are also captured on windows 10 for other purposes. I’m beginning to think you did not test on windows.
             
            
              
            
           
          
            
              
                tom  
              
                  
                    February 12, 2018,  7:06pm
                   
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              …guilty, we need to level-up our Windows testing situation. Thanks for reporting these, and we’ll get the Windows keybindings sorted out in the next updates.
             
            
              
            
           
          
            
              
                tom  
              
                  
                    February 13, 2018,  9:36pm
                   
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              @jacobjensen  here’s the change we’re considering:
Before 
After Mac 
After Windows 
Meaning 
 
 
Alt-Cmd-Up / Alt-Cmd-Down 
Cmd-Alt-Up / Cmd-Alt-Down 
Alt-Ctrl-Up / Alt-Ctrl-Down 
Move cell up/down 
 
Alt-Tab/Alt-Shift-Tab 
Alt-Tab/Alt-Shift-Tab 
Alt-Shift-Down/Alt-Shift-Up 
Focus current/next 
 
Cmd-/ 
Cmd-/ 
Ctrl-/ 
Toggle comment 
 
 
 Can you maybe confirm that those Windows keybindings are free?
             
            
              
            
           
          
            
            
              Cmd-/ and alt+cmd+up/down work right now on windows 7, even though help shows ‘ctrl’. In case you’re rending help menu dynamically this is what I’m seeing:
Using command key is pretty unusual on windows, but it seems to work so I don’t have a problem. ctrl-/ would work, but alt-ctrl-up/down is used for screen orientation: https://superuser.com/questions/122789/screen-rotation-hot-key-ctrlaltup-not-responding-whats-going-on 
alt-shift-up/down seems like it’s free.
             
            
              
            
           
          
            
              
                tom  
              
                  
                    February 15, 2018,  6:25pm
                   
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              Here’s the deployed change:
Before 
After Mac 
After Windows 
Meaning 
 
 
Alt-Tab/Alt-Shift-Tab 
Alt-Tab/Alt-Shift-Tab 
Alt-Shift-Down/Alt-Shift-Up 
Focus current/next 
 
Cmd-/ 
Cmd-/ 
Ctrl-/ 
Toggle comment 
 
 
 And not a change but:
Fixed incorrect aliasing of Cmd to Ctrl on Windows, so the Alt-Cmd-Up/Alt-Cmd-Down keybindings are correctly documented on Windows. 
 
Hope that helps!
             
            
              
            
           
          
            
              
                Evan  
              
                  
                    April 12, 2018,  7:35pm
                   
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              You might already know this but Alt-Cmd-Up (or down) doesn’t appear to work in Windows Firefox. Works fine in Chrome. Thanks again for the great tool.
             
            
              
            
           
          
            
            
              Clarified a bit in List of keyboard shortcuts?  why, seems it’s related to a shortcut for editable text selection.