Platforms that discuss rendering.

• ompf2
  • Advanced rendering forum. Many researchers are on this site.
• r/GraphicsProgramming
  • A subreddit for graphics related code and software.
• r/computergraphics
  • A subreddit for general CG related stuff.
• appleseed Discord
  • Amazing discord channel for the development of appleseed renderer.

Entries listed with no specific order.