Reaktor doesn't get same Note+Gate when keyboard velocity is off

So I built this brilliant way to play big chords and single notes at the same time on a 25 key keyboard, in Reaktor. I noticed Reaktor does not Reakt properly to note-offs if the note comes from a pc keyboard with the “top velocity” aka the 128 (I guess) that’s probably out of the midi spec…
Bug or a feature?

I press a key very shortly

release phase of instrument(s)

note keeps playing. only panic + reaktor audio on/off fixes it.