Move up one position
cmd up arrow
Move down one position
cmd down arrow
Move to top
Move to bottom
Move locally (to sibling bucket)
o then keyboard arrows to select. then enter
To move a byte upwards, select the byte and then hit Cmd + Up arrow or Ctrl + Up arrow
To move a byte downwards, select the byte and then hit Cmd + Down arrow or Ctrl + Down arrow
Select a byte and then hit f to move it to the top of the list.
Select a byte and hit b to move it to the bottom of the list.
Select the byte you'd like to move. Then hit o . Now you can select the destination using your keyboard arrows. Once you find your destination, hit enter to move your byte.
You can also use drag and drop to move bytes to stacks.