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Whenever I load a JSON file into the editor, the colors for the pads are not retained (and sometimes the faders seem to choose random colors but are more consistent). In one case they all defaulted to Green and then had local control for the pad to change with aftertouch even though the editor said this was not enabled. Strangely, the editor showed that the colors for each individual pad were as they were supposed to be but they were not sent to the device. Upon reloading the preset these were erased from the editor too. This behavior seems consistent.