1.2.9-HOTFIX-1 is a release file of the Minecraft mod Coffee Workshop, made for Minecraft 1.12.2. It was published on September 3, 2019 and is 5 MB in size. For the full description, screenshots and every other version, visit the Coffee Workshop mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.