Old Growth Forest.zip is a beta file of the Minecraft data pack Old Growth Forest, made for Minecraft 26.1, 26.1.1, 26.1.2. It was published on June 10, 2026 and is 0.1 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 Old Growth Forest 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.