 byte         : orig. val  ->  fixed val -  description
------------------------------------------------------------------------------------------
    2 (0x0002):  49 (0x31) ->  52 (0x34) -  firmware version minor number change to 4

 3521 (0x0DC1): 153 (0x99) -> 143 (0x8F) -  fix for VCA 2 (parameter 29) cannot be set
 3522 (0x0DC2):  44 (0x2C) ->  52 (0x34)    individually

 6090 (0x17CA): 189 (0xBD) ->  57 (0x39) - fix for VCF Frequency (parameter 21) update
 6091 (0x17CB): 152 (0x98) ->  18 (0x12)   sluggishness
 6092 (0x17CC):  67 (0x43) ->  18 (0x12)

18068 (0x4694): 128 (0x80) ->   0 (0x00) - fix NRPN support

24136 (0x5E48):  56 (0x38) ->  45 (0x2D) - fix for Env1 Sustain impossible to set via MIDI
