Thank you for the warning about Panther. I downloaded and applied v4.0.1 binary, taking care all the way to dot all the tees and cross the eyes, and using a projection of the installation protocol onto the ceiling for reference (you're not obliged to believe that last).

First quibble. Please allow for the fact that there are still users with display sizes and geometries that cannot cope with tall windows/panes. Return works for acceptance rather than the OK button when that cannot be seen, but ... what else cannot be seen without changing screen resolution?

Second.