Randy Lee Forum Home | Recent Posts New Member Joined: Mar 12, 2020 Follow Profile Activity Topics: 0 / Replies: 1 AllTopicsReplies Reply In case anyone is searching for the latest MPE spec, it was updated to v1.1 in April of 2022. The new file name is M1-100-UM_v1-1_MIDI_Polyphonic_Ex... 1 year ago Forum MIDI News & Stories