Here's some intel from the horse's mouth back in December...
"actually quite a few of the more advanced features can be set up through the editor only. Basic functionality like creating patches and presets, banks, songs, setlists, programming expression pedal setups,... can be done with the built-in menus. You can have a detailed answer by looking at chapter 17 of the user manual. That's the setup reference. For each topic, it is specified if it is available in the local menus, or only in the editor."
"- Pedal calibration is editor only, but that is because the functionality is very new (came with the recent release of the 2nd generation products), I didn't have the time yet to add it to the local menu structure. It will be added later on."
"I don't have an estimated release date yet for the Mac editor (I'm very cautious - don't want to promise something and then start delaying things....) I'm currently still researching what the best options are for the Little Giant to communicate with the Mac (USB of course, but maybe I will try not using MIDI - that would open up some more possibilities). Once that is clear to me, I will start the development of the Mac editor. "