Cubase Pro 12 is now out. I'm finally noticing a big improvement over Cubase Pro 11.5 in terms of CPU usage. Kudos to Steinberg for this update.
Here's a comparison of the exact same session's CPU usage in 11, and then Cubase 12. Session is 32 bit float, 48KHz
Here's a comparison of the exact same session's CPU usage in 11, and then Cubase 12. Session is 32 bit float, 48KHz