xpstorage-1.5.3.jar is a release file of the Minecraft plugin XP-Storage, made for Minecraft 1.19.3. It was published on December 21, 2022 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the XP-Storage plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.