According to your testing, does the issue occur with ONLY Immersive Portals mod and Fabric API?

Select One

Describe the issue

when i try to launch immersive portals 2.3.1 with optifabric 1.13.16 it crashes

the dev has stopped making the mod compatible with optifine, use the sodium mod for preformance, and the iris mod for shaders

https://qouteall.fun/immptl/wiki/Miscellaneous.html#optifine-compatibility