what happened to volumetric lighting / fog

I kinda found a nice solution for my UE4 fork that I like and will talk about on my site’s BLAGGY BLOG:

https://cdnb.artstation.com/p/assets/images/images/004/728/505/large/joy-machine-sh-hr-placeholder-behemoth.jpg?1485836558

(Of note: the default light shafts are completely disabled here).

And when applied to point/spotlights:

https://cartrdge.com/s/images/unsafe/https://cartrdge-east.s3.amazonaws.com/uploads/post/image/b6c86530-7366-41a7-b35b-db2527c5a907/volumetric_lighting_spotlights_and_pointlights.png