Pierre Schiller writes:
Light Groups create a linked list of your lights in the scene as VIEW LAYER passes in the compositor. This is a new feature in Blender 3.2 alpha by @Bone-Studio
THIS IS CURRENTLY WORKING ON CYCLES ONLY. Adjust your denoise and samples accordingly!
Check out how to set up Light Groups in under a minute.We hope to see this in EEVEE, soon! 🌟