I would say the highlighted update on X.07 makes it worthwhile, as I had this issue cause me headaches.
List of changes from Machinedrum SPS-1 OS X.07 to X.08
** Bug Fixes **
- Machinedrum would freeze when receiving a long stream of MIDI CC data.
List of changes from Machinedrum SPS-1 OS X.06 to X.07
** Bug Fixes **
- Parameter locks on a pattern’s first step would be ignored on sequencer start.
- Song Mode would not honor row 0’s repetition count when starting via MIDI transport.