Ensure you have the Fabric Loader installed for version 1.20.4.

is the industry standard for rendering optimization, Francium tackles a different bottleneck (computational randomness). Many players use them

These are actively maintained, widely trusted, and open source.

This indicates the mod is "client-side." You do not need to install it on a server to see the benefits; it only needs to be in your local mods folder.

Fine-tunes player movement, block updates, and attack sync timing to give competitive players smoother feedback during intensive cPvP matches.