HEY FLO, FANCY SEEING YOU HERE
Here is the answer to our November 22 exchange:
World Position Pass:I was actually in contact with the Blender dev team in order to implement this pass without having to go through shader overrides, and it is in fact present in the upcoming 3.0 massive release (slated to come on December 3rd)!
One cool thing about Blender is that you can download daily builds, and get daily access to what the developers are working on (sometimes at the cost of stability though, most of the times it fine). All of this to say: you can download the latest Blender 3.0 Beta build, and get access to the world position pass right away. Here's how to download it:
https://files.cargocollective.com/c674967/Download-blender-daily-build.mp4