A client would like to be see a more obvious version of false in the Boolean column. You see the check if it is true, but nothing if it is false. An empty box or something would communicate more clearly. What you see in editable columns while hovering over the rows would be perfect:
I am sure I can do this if I make it a string and use a ternary with some unicode characters.
What I cannot figure out is how to keep it a Boolean column so it can remain editable as checkbox.