The 1.16.5 ecosystem has the largest library of Meteor "Addons," which are community-made plugins that add even more niche features to the base client. How to Get Started
For many server owners and players, 1.20.6 is the current "sweet spot" for stability and plugin support. Meteor Client for 1.20.6 focuses on refining the combat and movement modules that the client is famous for.
Download the Fabric Loader for your specific version (1.21.3, 1.20.6, or 1.16.5).
With the release of Minecraft 1.21.3, the technical landscape has shifted. Meteor Client has stayed ahead of the curve by implementing modules that take advantage of the newest game mechanics.