Blending post-processing volumes with different LUTs

I am currently writing a day / night cycle and am using several color lookup textures (LUTs) for sunrise, sunset, evening, night etc. I need to be able to have a smooth transition between these.

I tried two approaches but both failed:

1. I tried adding two gameobjects each with a Volume. Each Volume contained a different LUT and I tried changing their Weight values to make them blend. But having two volumes with different weights (e.g. x and 1-x) does not do any blending. It simply prioritizes one and changes to the other instantly when the former's weight becomes 0. Screenshots of my settings can be found here.
2. I have managed to create a shader that transitions from one LUT to another but now the problem is, how can I use this shader as a post-processing effect in the "Volume"? The "Volume" component does not show the custom effect I created. And I could not find how to create custom effects in URP Volume system. There is this page but it only works for the old post processing system.

I have been researching all week and could not find a solution. I would be forever grateful if someone can point me in the right direction.

 

Did any solution to this come up? I want to do the same thing, and this is the top hit on google!

 

Hey. I finally did it like explained here: https://www.reddit.com/r/gamedev/comments/jh70ij/is_it_possible_to_transition_from_one_lut_to/

Hope it helps!