netfix
netfix is a compatibility mod that resolves networking issues caused by the outdated version of Netty in older Minecraft versions.
Support
Support is offered in our Discord server.
What It Does
netfix backports modern Netty (version 4.2.12, to be precise) in order to fix these issues. It also implements features from https://github.com/Fallen-Breath/fast-ip-ping.
What It Fixes
If you're experiencing unexplained connection issues, crashes related to networking, or server pinging not working properly, netfix may resolve them instantly.