Blender 5.0 has just entered its beta phase, introducing significant updates to the Compositor. Ilyasse L, whose projects we've featured a fewtimes on 80 Level, has been experimenting with these new features, showcasing some surreal and impressive results. You can also find details about the nodes he used in the comments under some of these setups.
Here are the nodes for the snow effect:
Enjoy more of Ilyasse L's creations:
You can download Blender 5.0 beta here and check out Thomas Marcos' overview of the new features and improvements: