From the blog "Featured News"
Class is back in session! Second Life University returns today at 12pm PT with Second Life’s Senior Software Engineer Runitai Linden (also known as Davep), and Second Life’s Product Manager, Kyle Linden. Davep and Kyle will be giving us an update on the status of PBR Materials in Second Life!
These are some of the topics they are planning to cover during the show:
Physically Based Rendering Wiki [Work in Progress]
How to create a Metalic-Roughness! by Medhue Animations