You listed numbers that are likely related to the client:
Runs on older hardware (Java 8+) and is optimized for classic anarchy servers like 2b2t. meteor client 1213 1206 1165 better
For Minecraft versions , 1.20.6 , and 1.16.5 , the Meteor Client is widely considered one of the best free utility mods because it is open-source, highly customizable, and compatible with the Fabric loader. Core Requirements You listed numbers that are likely related to
Meteor Client remains a top-tier choice for Minecraft anarchy and utility across versions 1.21.3, 1.20.6, and 1.16.5 meteor client 1213 1206 1165 better