1.4.5 for MC 1.21 - 1.21.10 is a release file of the Minecraft data pack Efficient Raw Ore Blocks Smelting, made for Minecraft 1.21, 1.21.8, 1.21.5, 1.21.4, 1.21.1, 1.21.6, 1.21.3, 1.21.7, 1.21.2, 1.21.9, 1.21.10. It was published on October 10, 2025 and is 0 MB in size. For the full description, screenshots and every other version, visit the Efficient Raw Ore Blocks Smelting 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.
