1.4.0 for 1.21.9 is a release file of the Minecraft mod Pakko for Fabric, Quilt, made for Minecraft 1.21.9, 1.21.10. It was published on August 3, 2026 and is 2 MB in size. For the full description, screenshots and every other version, visit the Pakko mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.