Light Glow from Zesterer's Volumetric Clouds shader is popping into view

Old behavior:

old.mp4

Recent:

recent.mp4

The shader: https://github.com/zesterer/openmw-volumetric-clouds

Make sure distance and fading are at max and max lights is higher than 16 to not confuse things/this with normal light pop-in. The location is the Red Palace, coc to "karthwasten" and its door is close by, you need Skyrim Home of The Nords mod if you want to test this specific location: https://www.nexusmods.com/morrowind/mods/44921