1.21.11_8.0.0 Beta Release 2 is a beta file of the Minecraft mod BuildCraft UNOFFICIAL for NeoForge, made for Minecraft 1.21.11. It was published on April 10, 2026 and is 3.9 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 BuildCraft UNOFFICIAL mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
