jar file only for user of oldest version is an alpha file of the Minecraft mod SwitchRail, made for Minecraft 1.16.5. It was published on February 25, 2022 and is 0.3 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 SwitchRail mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
