Edirol have posted the updates to HyperCanvas (v1.51) and SuperQuartet (v1.5) on their international (English) website.

New in Super Quartet VST/DXi v1.5

• Multi-output support.
• Support for MIDI automation.
• MIDI Learning function.
• Phrase Preview function.
• Tone Remain function.
• Light load mode.
• Save and load performance data.
• Certain aspects of Pan processing have been improved; you can now pan to the far left or right even when a stereo sound is selected.

New in Hyper Canvas VSTi/DXi v1.51:

• Fixed the problem that "Bank Select LSB" message is not ignored when the "Logic" control change map was chosen.
• Fixed the problem that had caused "stuck notes" when switching between Mono mode / Poly mode while a note was sounding.
• Multi-output support.
• Support for MIDI automation.
• MIDI Learning function.
• Phrase Preview function.
• Tone Remain function.
• Light load mode.
• Save and load performance data.
• I Certain aspects of Pan processing have been improved; you can now pan to the far left or right even when a stereo sound is selected.
• Fixed the problem that had made it impossible to select the following sound from the sound menu:
  
  Sound name: Burst Noise (Bank number: MSB=121(0x79H) / LSB=9(0x09H) - Program number: 126)