The jump to Minecraft version 1.21 (the "Tricky Trials" update) introduced significant changes to the game’s codebase. New blocks (Crafter, Tuff variants), new entities (Breeze), and updated world generation broke nearly every utility mod on the market.
Examples:
Meteor is a "cheating" client. Using it on public survival servers (like Hypixel or Wynncraft) will result in a permanent ban. It is intended for Anarchy Servers , private testing, or single-player worlds where such modifications are permitted. Enhancing Your Experience with Addons meteor client 1.21
public AutoDiamond() // 2. Define Module Metadata super(Categories.Combat, "auto-diamond", "Automatically does something with diamonds."); The jump to Minecraft version 1