Client–server desync

Client–server desync is a term used to describe when the game client and server desynchronize. There are many reasons to why it occurs, but one of the most common reasons is lag.

Client–server desync happen due to various reasons. These are some of the most common ones:

Lag may cause client–server desync.

Ping refers to the amount of time for a message from the client to the server and back. When there is a high ping, messages may be slowed down, which will desync the client and the server.

A poor Internet connection may cause the server to not receive client updates, which will lead to a high ping.

Client–server desync may cause inconvenience, and some of the most common ones are listed below.

Ghost blocks are blocks that only exist in either the client or the server. Ghost items are similar, though they only exist in the inventory. Ghost items may disappear when clicked in the inventory or reappear when nothing is clicked.

Other than ghost blocks and items, ghost dimensions may even be created. They are dimensions filled with ghost blocks that only exist in the client and are created through update suppression. When blocks are placed in a ghost dimension, they are placed in chunks, instead of blocks.^[1]

Rubberbanding refers to the player reverting back to a previous location due to client–server desync. This is mainly due to high ping.