I've been making minor, unlogged updates to the Fritzing file all along, but here's a big change: I moved the EEPROM Read-Write function from IO7 (on the MAX11312) to IO1. This means less crossing of traces, shorter leads, and fewer vias. It also means a few changes to the programming notes, which is why I'm logging it.

Those minor, unlogged updates will probably continue, for much the same reasons (as well as to maximize ground plating), at least until I send off for a prototype.