3D Artist known as Late as usual, whose work has been featured multiple times on 80 Level, has demonstrated decals created using Blender 5.1’s new Raycast node, opening the door to a whole new range of procedural workflows. While a Raycast node existed before, its functionality was limited, and the upcoming one for Cycles and Eevee brings much more flexible control.
Here’s the node setup shared by the artist herself:

