Hello there.
AFAIK VDP 6 includes advanced features for free now for owners of vsphere essentials plus and higher redactions. According to the interoperability matrix I can deploy VDP 6 with vSphere 5.5u3. I got vsphere 5 enterprise plus, however I see only VDP 5.8.4 in "my products" tab of my.vmware.com portal. I guess I can evaluate vsphere 6 then download VDP 6 and deploy it with my vsphere 5.5 (assuming that I have no license for VDP) and it should work fine, am I right?
P.S. I couldn`t find VDP branch on the forum, so I posted my question here.