Regeneration-1.12.2-1.6.0b.jar is a release file of the Minecraft mod Doctor Who: Regeneration, made for Minecraft 1.12.2. It was published on April 30, 2019 and is 3.6 MB in size. For the full description, screenshots and every other version, visit the Doctor Who: Regeneration mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.