max stack size 99.zip is a release file of the Minecraft data pack Max stack size 99, 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, 1.21.11 and more. It was published on July 7, 2026 and is 0 MB in size. For the full description, screenshots and every other version, visit the Max stack size 99 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.
