[NeoForge 1.21.4] v18.0.815 is a beta file of the Minecraft mod Roughly Enough Items Fabric/Forge/NeoForge (REI) for NeoForge, made for Minecraft 1.21.4. It was published on June 14, 2026 and is 2.3 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Roughly Enough Items Fabric/Forge/NeoForge (REI) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
