build 3783
macOS 10.14.6
I just had some very weird things happen with this dialog box too. Under the “Local Catalogs” heading, catalogs are usually listed vertically. On one occasion it spontaneously switched (in the middle of working on it) so that my 2nd catalog was shown to the right of the 1st rather than under it. The dialog box itself did not change size though, so at first I couldn’t figure out where my 2nd catalog had gone. It was just by chance that I figured out I could now scroll horizontally, where I found it off to the right. After quitting and restarting PM it was back to normal.
Another time while in that same dialog box, the “Forget, Rename, Delete” buttons, which are normally black-text-on-white, changed to white-text-on-black instead. Nothing else changed, just the buttons. And again it just spontaneously changed all by itself while I was working, and went back to normal after relaunching PM.
Sorry Kirk, I should have taken screenshots, but I will if it happens again.