hmm how can you see this post? the release is not published yet…
There is a lot of information missing from the new behaviour and Duo X, we are working on wiki things at the moment.
But the basic gist of it is that aggregated MIDI mode, well, aggregates all MIDI ports into a single one.
The “legacy” mode is the old behaviour, where each MIDI input gets its own MIDI port in the pedalboard assembler.