ruby-1.14.4.2.jar is a beta file of the Minecraft mod Just Another Ruby Mod! (JARM!) for Forge, made for Minecraft 1.14.4. It was published on September 16, 2019 and is 0.2 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 Just Another Ruby Mod! (JARM!) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
