Buildcraft - Mods - Minecraft - CurseForge
2023year3month7day · Generally, your world and map will work fine and upgrade properly bar a few exceptions. However, downgrading is impossible. If you have any custom config options, the config format and filename changed for both BC and Compat, so look into those. The Quarry is now in the Builders module, as opposed to BC 3.x and below when it was in the
