It has, IMO, a very unintuitive behavior: You have to click and hold on the "Used" button to see a dropdown of recently run Macro, with the most recent on top.
I've been told that there are other Mac apps that use this behavior, but even if this so I don't like it. I'd submit that many users, like me, are not likely to know the last macro run, if they have a number of macros triggered by events other than direct user action.
So, I just uploaded a companion set of macros that I have been using for a long time to make this easier: