The Vfx Platform posted some interesting slides from Siggraph.
Maybe from interest if you have to upgrade the studio pipeline.
https://groups.google.com/forum/#!topic/vfx-platform-discuss/AKqe7oAnUUs
An other interesting Blog from the Shotgun team.
https://developer.shotgunsoftware.com/5583eab1/?title=Python+3+Porting+Best+Practices