Want to keep in the loop with our updates, join our discord! A huge thanks to Kenny who contributed the majority of this update and keeps ViaVersion updated these days

Changelog:

• 1.20.3 client support (by KennyTV)
• Various fixes to configuration phase handling in 1.20.2->1.20 (by KennyTV)
• Improve handling of 1.8 block placements inside the client entity (by Pablete1234)
• Various small validation changes in legacy version handling (by RaphiMC)
• Fix startup error on 1.20.2 Spigot servers (by frengor)
• Cleanup command registration (by FlorianMichael)
• Rebranded included NBT library (now ViaNBT)

A lot of great fixes in this update by some awesome people