Mountain Islands-V0.2.5.6.zip is a beta file of the Minecraft data pack Mountain Islands, made for Minecraft 1.21, 1.20.2, 1.21.8, 1.20.5, 1.21.5, 1.21.4, 1.20.1, 1.20, 1.20.6, 1.21.1, 1.21.6, 1.21.3 and more. It was published on September 16, 2026 and is 0.4 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 Mountain Islands 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.
