These godrays i the new biome. There are way too many of them and they are too densely packed.
While DST works perfectly fine on my PC on huge worlds with caves enabled. Perfect performance everywhere including in mega bases with a lot of players or enemies etc.
Waterlogged biome is the ONLY place in entire game where my performance completely tanks (game locks to 30 FPS whenver i'm near or in the biome)
Sure they look pretty but an option to disable them or tone them down (or both) would be nice.
PS:
Disabling canopy shadows has 0 effect on the performance in the new biome