Cubase 10, Windows 10 and multi-core (14+ cores)

No. Cubase Pro 10 is capable of spawning prefetch threads in different amounts, let’s say dynamicaly… or asynchronously.
It’s possible to define it in a different way, via the switches I previously mentioned. However, we’re at the point where I can’t provide more details.
Special cases should be individually discusses with Support via the proper means.