kubejs-immersive-engineering-1605.1.2-build.19.jar is a release file of the Minecraft mod KubeJS Immersive Engineering for Forge, made for Minecraft 1.16.5. It was published on January 12, 2022 and is 0 MB in size. For the full description, screenshots and every other version, visit the KubeJS Immersive Engineering mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.