1) This very much sounds like you are actually sending or receiving the ‘as-played’ channel. Something that is often missunderstood: In the config menu you don’t use the ‘as-played’ and ‘as-sounds’ keys to switch between those modes, but rather to select a midi channel for each. (or turn them off).
2) The Version 2 manual is currently being written and coming in the next days. You do not have version 2 installed, but version 1.6. Version 2 brings mostly HiRes support.
3) Changes not, but additions. So the overlay would be missing these parameters:
– portamento time adjust
– tuning selection
We are currently looking into having updated overlays manufactured, but lead times are long. So we currently recommend to use the normal overlays