Sustain behaves strangely when unison is selected

With SQ80 V, Sustain behaves strangely when unison is selected.

Enable unison on a preset, send CC64 > 127 (effectively pressing sustain), hold some notes down.

Sending CC64 > 0 (effectively lifting the sustain pedal) while the notes are still held down, silences the sound. This should not happen. Indeed it does not happen with unison turned off.

This happens with SQ80-V standalone and VST2 and VST3

I have installed the recent update to SQ80 V (now at

I have already lodged a support ticket 12 months ago (Request #859753) with Arturia support and one of your team members was able to reproduce this.

Can you please let me know when this will be addressed.