ViaFabric

A changelog can be found at https://github.com/ViaVersion/ViaFabric/commits

• Added initial support for 1.21.2 as well as 1.21.3
• Dropped support for 1.21.1
• Updated ViaVersion to 5.1.0
• Restored support for superseded versions (Kichura)

A changelog can be found at https://github.com/ViaVersion/ViaFabric/commits

• Added ability to skip over Fabric's registry sync errors,
• 1.8 and 1.12 have been seperated into legacy versions of ViaFabric,
• Replaced the ViaVersion JAR itself with Java 8 variant,
• Fixed /viaversion command not working properly,
• Fixed ViaFabric from locking up upon attempting to shutdown server,
• Temporarily disabled support for ReplayMod due to mapping issues with it.