(v1.0.2) 1.21.9 Compatibility is a release file of the Minecraft resource pack Let's Have Some FUN Mining, made for Minecraft 1.7.6, 1.17.1, 1.9.1, 1.16.3, 1.13.1, 1.9.3, 1.8.7, 1.7.4, 1.7.7, 1.19.3, 1.20.2, 1.21 and more. It was published on October 1, 2025 and is 1.5 MB in size. For the full description, screenshots and every other version, visit the Let's Have Some FUN Mining resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.