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# ViaFabric
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[](https://viaversion.com/discord)
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[](https://viaversion.com/fabric)
[](https://viaversion.com/fabric)
<!-- ^ GitHub seems to not like this https -->
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### Client-side and server-side ViaVersion implementation for Fabric
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Allows the connection to/from different Minecraft versions on your Minecraft client/server (LAN worlds too)
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This mod can be installed on 1.8.9, 1.14.4, 1.15.2, 1.16.5 and 1.17.1 with Fabric Loader.
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## Dependencies
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| Dependency | Download |
| ---------------------------------------------- | ------------------------------------------------------------------- |
| (Bundled) ViaVersion | https://viaversion.com/ |
| (Optional) Cotton Client Commands (MC 1.14-15) | https://www.curseforge.com/minecraft/mc-mods/cotton-client-commands |
| Fabric API (MC 1.14+) | https://www.curseforge.com/minecraft/mc-mods/fabric-api |
| Legacy Fabric API (MC 1.8.9) | https://www.curseforge.com/minecraft/mc-mods/legacy-fabric-api |
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Note: ViaVersion is designed for Vanilla Minecraft servers. It probably will not work with modded registry entries
or registry synchronization (fabric-registry-sync mod).
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## ViaVersion
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### How can I install ViaBackwards/ViaRewind?:
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- Just drop them into mods folder. Make sure you are using versions compatible with the ViaVersion version you are using.
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- CurseForge links:
[ViaBackwards ](https://www.curseforge.com/minecraft/mc-mods/viabackwards )
[ViaRewind ](https://www.curseforge.com/minecraft/mc-mods/viarewind )
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### What versions can ViaVersion, ViaBackwards and ViaRewind translate?:
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- **With [ViaVersion ](https://viaversion.com )**:
Your server can accept newer versions.
Your client can connect to older versions.
- **Adding [ViaBackwards ](https://viaversion.com/backwards ) (and optionally [ViaRewind ](https://viaversion.com/rewind ))**:
Your server can accept older versions.
Your client can connect to newer versions.
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- Server-side: See https://viaversion.com/
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- Client-side:
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| | 1.8.x | 1.9.x | 1.10-1.14.4 | 1.15.x | 1.16.x | 1.17.x |
| ------ | ----- | ----- | ----------- | ------ | ------ | ------ |
| 1.8.9 client | ✓ | ⏪ | ⟲ | ⟲ | ⟲ | ⟲ |
| 1.14.x client | ✓ | ✓ | ✓ | ⟲ | ⟲ | ⟲ |
| 1.15.x client | ✓ | ✓ | ✓ | ✓ | ⟲ | ⟲ |
| 1.16.x client | ✓ | ✓ | ✓ | ✓ | ✓ | ⟲ |
| 1.17.x client | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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✓ = [ViaVersion ](https://viaversion.com ) ⟲ = [ViaBackwards ](https://viaversion.com/backwards ) ⏪ = [ViaRewind ](https://viaversion.com/rewind )
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### Can ViaVersion, ViaBackwards and ViaRewind support snapshots?:
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- Check https://ci.viaversion.com/ for development builds with snapshot support
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## Alternatives
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### Client-side:
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- [ClientViaVersion ](https://github.com/Gerrygames/ClientViaVersion ): Discontinued 5zig plugin.
- [multiconnect ](https://www.curseforge.com/minecraft/mc-mods/multiconnect ): Fabric mod for connecting to older versions: down to 1.11 (stable) and 1.8 (experimental).
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- [ViaForge ](https://www.curseforge.com/minecraft/mc-mods/viaforge ): Fork of ViaFabric porting it to Forge.
### Server-side
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- [ProtocolSupport ](https://protocol.support/ ): Bukkit plugin for older client versions (down to 1.4.7).
- [ViaVersion ](https://viaversion.com ): Plugin for BungeeCord, CraftBukkit, SpongeCommon and Velocity servers.
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### Standalone proxy:
- [DirtMultiversion ](https://github.com/DirtPowered/DirtMultiversion ): Proxy allowing to connect down to Beta 1.3
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with newer Minecraft client versions.
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- [VIAaaS ](https://github.com/ViaVersion/VIAaaS ): Standalone ViaVersion proxy with ViaBackwards and ViaRewind, allowing
you to connect without a mod installed on your client. Supports online mode.
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### Cool things to try:
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- [Geyser ](https://geysermc.org/ ): Plugins, Fabric mod and a standalone proxy for allowing Bedrock Edition on Java Edition servers.
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- [PolyMc ](https://github.com/TheEpicBlock/PolyMc ): Fabric mods which translates modded items and blocks, allowing
vanilla to connect using resource packs.
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## Commands
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### Commands:
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- There're 3 server-side alias ``/viaversion``, ``/vvfabric`` and ``/viaver``, and a client-side command
``/viafabricclient`` for Minecraft 1.14+ (OP permission level 3 is required for these commands, received
by [Entity Status Packet ](https://wiki.vg/Entity_statuses#Player ))
## Configs
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### Configuration:
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- ViaVersion configuration is available at ``.minecraft/config/viafabric/viaversion.yml``
- ViaFabric configuration is at ``.minecraft/config/viafabric/viafabric.yml``
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### How can I disable client-side ViaFabric?:
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- You can disable it in the menu or by setting global protocol version to -1 (this will keep per-server translations still enabled)
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### How to use protocol detection?:
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- For using globally, set the protocol to AUTO or -2. For using in a specific server: ``ddns.example.com._v-2.viafabric``
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- The protocol detector will try to ping with the client native protocol version, differently than multiconnect which uses -1 version,
which may detect the native server version.
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### How can I set the version for specific servers?:
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- Append ._v(VERSION).viafabric.
- Examples: ``minigame.example.com._v1_8.viafabric``, ``native.example.com._v-1.viafabric``, ``auto.example.com._v-2.viafabric``
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## multiconnect
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### Does it work with multiconnect at same time on client?:**
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- Yes, ViaFabric can be used with multiconnect. ViaFabric will send to its version auto detector the closest
non-beta supported version. (multiconnect beta-supported versions are currently < 1.11 ) )
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### Differences with multiconnect:
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| | ViaVersion | multiconnect |
| --- | --- | --- |
| Designed for | servers | clients |
| Can be installed on | multiple client/server versions | latest client version |
| Objectives | simply implement ViaVersion | version support with fixes to version changes |
| How does it work? | modifying packets at network code | modifying client code more deeply |
| Triggering anti-cheats | very likely | less likely |
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## WARNING
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**I cannot guarantee that this mod is allowed on every (or even any) server. This mod may cause problems with anti cheat plugins. USE AT OWN RISK**
