Retrologue 2 hangs for about 20 seconds

Recently started using this synth, but every time I change a preset my Cubase 9 hangs/freeze for about 10 - 20 seconds (but music playing) - anyone know what is the cause of this?

Same here.
https://www.steinberg.net/forums/viewtopic.php?f=250&t=116486&p=666732#p666732