Well Pioneer (EU) finally responded to my email about the pitch faders (3 questions - are they 14 bit, what's the part number and will they be releasing an update like with the RZ):
Regarding any quires with your setup, we are unfortunately not able to help directly with specific details as we can’t replicate everybody’s setups.
We suggest the following to answer your queries, and other details.
Ask your dealer for some help as they will have product in the shops and can test out many of these issues.
Contact the manufactures of the DJ Software you are using, as lot of issues are with the software.
Check Pioneer DJ.Com/Support for all Driver and Firmware updates
If you have a and Issue with Rekord box or any questions related to Rekord box setup or issues please follow this link.
https://forums.pioneerdj.com/hc/en-us/requests/new?ticket_form_id=72145
Nice one Pioneer - thanks.... :(