For those that have Reason 10.x
The latest Reason 10.3 update now allows VCV Bridge to work flawless.
Depending on your system and configuration, and on how heavy the patch is obviously.
I loaded a fairly heavy patch , and for the first time i was really smiling big time with bridge!
Could you send and receive CV signals also?
Sure this was already possible.
But to make it work in Reason , you will need to buy an Re to convert Reason CV to audio. And incoming CV audio from VCV, into Reason compatible CV
Checkout the Robotic Bean CV extensions. https://www.propellerheads.com/shop/product_bundle/cv-io-bundle/