OK no Logic users here…
Anyway maybe this can be helpful to someone: I’v downloaded the HS3 Demo and it works perfectly with the Apple DAW (MacOS 10.12, be careful if you’ve got 10.13!!).
So, I have to pay 99$ to get the possibility to work again with Logic: thank you Steinberg 
In the meanwhile, today I updated Logic X to 10.4 (with outstanding new reverbs, vintage EQs and sound patches) for free…
Auf wiedersehen Steinberg!