DH fails on 1.20.1 .
The error is only visible w/o shaders. With shaders, the image is wholly black.
'Error: Distant horizons renderer has encountered an excelption: Renderer disabled to try preventing GL state corruption. Toggle DH rendering via the config UI to re-activate DH rendering. Error: java.lang.runtimeexception: uniform name not found: uiswhiteworld'
The error persists if DH is the only mod.
It may be hardware specific, as it works on my GFs computer next to me.