We have just upgraded across the studio to 1.7 hotfix 2, and noticing a couple of problems.
Some scenes crash a couple of times on backburner before they actually pick up and render, which is pretty standard with BB, but seems to be more frequent since the upgrade from 1.6.3
One of the errors we are getting, both on BB and when rendering locally, is Corona version mismatch, Slave version 1.6 (hotfix 3), Master version 1.7 (hotfix 2)... etc etc
All the machines across the studio are running the same version, I have checked the IPs from the errors and the nodes that are coming up with an error definitely are running the same versions.