In vanilla Minecraft, End Crystals can sometimes cause performance drops or have "clunky" interactions when placed and exploded in rapid succession. This is a major issue for the "CPVP" (Crystal PvP) community.
Place the walksycrystaloptimizermodfabric.jar file into your .minecraft/mods folder. file name walksycrystaloptimizermodfabric
It optimizes the way the client sends the "place" and "break" packets to the server. In vanilla Minecraft, End Crystals can sometimes cause
Ensure you have the installed for the correct version of Minecraft (e.g., 1.20.1). In vanilla Minecraft
This is typically the name of the developer or the specific "edition" of the mod. Developers often prefix their files so users can identify the source.