AFAIK there is no shortcut to show/hide the two line panel at the botton, may
you consider it ?, thanks

Btw, the icon to show/hide the two line panel doesn't have tooltip.
Moderators: Hacker, petermad, Stefan2, white
Confirmed implemented in TC 10.52rc1history.txt wrote:27.09.22 Added: New hotkey F9 in "Compare by content" to toggle visibility of the two line compare box at the bottom (32/64)