immersive_engineering_js-2101.1.0.jar is a release file of the Minecraft mod Immersive Engineering JS for NeoForge, made for Minecraft 1.21.1. It was published on December 24, 2025 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Immersive Engineering JS mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
