This mod implements ViaVersion on Fabric servers and clients, allowing you to connect to different Minecraft versions.
It can be installed on Legacy Fabric 1.8.9, and Fabric 1.14+.
Requires Fabric API for Minecraft 1.14+.
Requires Legacy Fabric API for Minecraft 1.8.9
For more information, go to GitHub repository.
Addons (allows older clients on newer servers):
What's is the difference between ViaFabric and multiconnect?
Forge port (unofficial): https://www.curseforge.com/minecraft/mc-mods/viaforge
Discord: https://discord.gg/viaversion