Most of the slides and course notes for the SIGGRAPH 2025 Physically Based Shading in Theory and practice course are now online, with more to follow:
https://blog.selfshadow.com/publications/s2025-shading-course/

The EON talk slides are now online: https://blog.selfshadow.com/publications/s2025-shading-course/#course_content

As the date for the 20th anniversary of Advances is coming, I realized some content was missing.
Posted 2007 and 2008 courses online - check them out!

https://advances.realtimerendering.com/