Beta editor - can only target Waveform Engine 1-4 on MC6 Pro

Running beta 3.13.0 on the MC6 Pro and using https://editor-beta.morningstar.io/mcgen2
When using an Expression Pedal preset to change Waveform Engine Speed I can only target Engines 1-4 of the MC Pro’s 8 Engines.

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A Trello card has been created for this request: Beta editor - can only target Waveform Engine 1-4 on MC6 Pro