Describe the bug:
During browsing in the inventory, the game may suddenly crash.
The crashlog of this type of crash.

When shadows on an Iris shader are turned on, this crash can occur when generating a new world, or simply flying around.
The crashlog of this type of crash.
Alternative crashlog of the same type but on another machine.

The parachute is not being worn, used, etc, in either case

Versions:
Minecraft version: 1.20.1
Spelunkery version: 1.20.1-0.3.5
Moonlight Lib version: 1.20-2.11.33
Fabric API: v0.92.1

Other mods:
Link to paste of all the mods.

Logs:
Same as above,
Crashlog one: https://mclo.gs/Bq301fn
Crashlog two: https://mclo.gs/0mUXUpf
Crashlog three: https://mclo.gs/43bOJN9

To Reproduce:
Crash type one happens at random when navigating the inventory.

Crash type two happens at random on initial world generation and exploration

Still getting issue on 0.3.13. I can only play in a world for a few minutes before randomly crashing