This addon mod prevents the Twilight Forest's caves from cutting off due to being below rivers by removing the check for water
Before - After


This is only for 1.20.1, 1.20.4 onwards already has this bug patched
Only needs to be installed on server side
Programming by Project8gbDeRam
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Twilight Forest Cave Fix is a free Minecraft Java mod. Compatible with Minecraft 1.20.1. Downloaded 2,952,580 times (via CurseForge). Download it and open it directly in the game.