ViaFabric

ViaVersion Discord CurseForge Downloads Modrinth Downloads CurseForge Versions

Client-side and server-side ViaVersion implementation for Fabric

Allows the connection to/from different Minecraft versions on your Minecraft client/server (LAN worlds too)

This mod can be installed on 1.14.4, 1.15.2, 1.16.5, 1.17.1, 1.18.2, 1.19.4, 1.20.1, 1.20.4, 1.20.6, 1.21.4 with Fabric Loader.

The legacy branch also supports Legacy Fabric 1.8.9 and 1.12.2 versions.

If you are using the latest Minecraft version and care about the gameplay being more enjoyable/functional, you may want to check ViaFabricPlus out. See the differences between ViaFabric and ViaFabricPlus.

Dependencies

Dependency Download
(Bundled) ViaVersion https://viaversion.com/
(Bundled) Cotton Client Commands (MC 1.14-15) https://jitpack.io/#TinfoilMC/ClientCommands
Fabric API https://modrinth.com/mod/fabric-api

Note: ViaVersion is designed for Vanilla Minecraft servers. It probably will not work with modded registry entries or registry synchronization (fabric-registry-sync mod).

ViaVersion

How can I install ViaBackwards/ViaRewind/ViaAprilFools?:

What versions can ViaVersion, ViaBackwards, ViaRewind and ViaAprilFools translate?:

  1.8.x 1.9.x 1.10-1.20.x 1.21.x            
1.14.4-1.20.6 clients ⟲ ⟲  
1.21.4 client

✓ = ViaVersion ⟲ = ViaBackwards ⏪ = ViaRewind

Note: 1.7.x is not supported in ViaFabric - 1.9.x, 1.10.x, 1.11.x, and 1.13.x may cause problems when visiting such servers in client-side mode.

Can ViaVersion, ViaBackwards and ViaRewind support snapshots?:

Alternatives

Client-side:

Server-side:

Standalone proxy:

Cool things to try:

Commands

Commands:

Configs

Configuration:

How can I disable client-side ViaFabric?:

How to use protocol detection?:

How can I set the version for specific servers?:

ViaFabricPlus

Does it work with ViaFabric:

Differences with ViaFabricPlus:

  ViaFabric ViaFabricPlus
Can be installed on Multiple client/server versions with fabric Latest client-side version with fabric
Objectives Simply implement ViaVersion Implements ViaVersion with client-side fixes to version changes
How does it work? Modifying packets at network code Modifying client code more deeply
Triggering anti-cheats Very likely Mostly not

Disclaimer

It cannot be guaranteed that this mod is allowed on specific servers as it can possibly cause problems with anti-cheat plugins.
(USE ONLY WITH CAUTION!)