Hotfix - 1.4.9 is a release file of the Minecraft mod Fossils and Archaeology: Legacy for Fabric, made for Minecraft 1.21.1. It was published on February 27, 2025 and is 10.4 MB in size. For the full description, screenshots and every other version, visit the Fossils and Archaeology: Legacy mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.