Lots of interesting talks and also some news about Karma:

“Karma XPU: A Houdini 20 Preview

Learn about the latest improvements to Karma XPU – SideFX's USD-based GPU/CPU renderer. New capabilities include subsurface scattering, demand-loaded sparse textures, nested dielectrics, uniform volumes, and more. Gain insights on Houdini's USD-based Solaris framework and how Karma XPU integrates with it. Uncover the technical details of how the SideFX team leveraged NVIDIA technology to power the industry's newest USD renderer.”