This should allow all multiplayer supporting versions of preclassic to connect now. (as version 3 was apparently first public protocol version)
Tested joining another map / modifying blocks / spawning/despawning entities, seemed to work well enough, but there's probably still some issues I didn't pick up though (e.g. I have no idea what changed between protocol version 3 and 4)
This should allow all multiplayer supporting versions of preclassic to connect now. (as version 3 was apparently first public protocol version)
Tested joining another map / modifying blocks / spawning/despawning entities, seemed to work well enough, but there's probably still some issues I didn't pick up though (e.g. I have no idea what changed between protocol version 3 and 4)