ArbiterLib b5 is a beta file of the Minecraft data pack ArbiterLib, made for Minecraft 26.1, 26.1.1, 26.1.2. It was published on May 29, 2026 and is 1.4 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 ArbiterLib data pack page.
How to install: Put the .zip into the datapacks folder of your world (.minecraft/saves/<world>/datapacks) and run /reload. No mods needed.