Hi just_a_man_in_black,
here is a complete list of what has changed between pianoV1 and piano V2 . For your information , you can find all this data in every plugin's release notes, using the info icon on this page :
https://www.arturia.com/support/updates&manuals or in your arturia software center, by clicking directly on the product name.
New features
3 New piano models : Japanese Grand, Plucked Grand and Tack Upright
New micro setups for Grand and Upright pianos
Added max polyphony parameter
Added 2 shelf + 3 band Parametric Equalizer, with ranges from 20hz to 10khz, and -30/+30dB
New stereo Delay effect
Added Delay left-right parameter to mixer
New compressor effect
Added a bypass button for all effects
Added a vu-meter on master output
Playlists can now be exported
More special characters are now allowed for typing in comments
Added an "Empty" MIDI configuration
Improvements
Updated Audio engine and sound design for all piano models
Improved all reverb impulses
Improved dynamic range for Grand Piano's presets
Reduced installer size
Various GUI improvements
Bugfixes
No more audio Glitches
Pedals are no more ignored after changing piano model or preset
GUI Sustain pedal now lights up when using a real one
Program Changes are now properly handled in Audio Unit
Program Changes do not lead to an empty playlist anymore
Cancelling an "overwrite" operation doesn't close "save as" panel anymore
Uninstallation from Arturia Software Center is now keeping user presets
No more horizontal scrolling when using a trackball or trackpad on OSX
Parameters are now properly shown on a Keylab Essential LCD screen
Default MIDI mapping cannot be deleted anymore
Empty slots on a playlist can no more be selected with an Arturia MIDI controller
Preset browser and toolbar are now well synchronized
On NKS controllers, LEDs to show keyboard parts are now properly loaded
Save/delete MIDI configuration pop-up window is more readable
Unassigned MIDI buttons are no more shown as active
hope it helps,
best,
