How do I change or downgrade the Bedrock version (e.g. to 1.18) without losing my world?
You can change your Bedrock server's version without wiping your world — as long as you are careful, especially when downgrading. This article explains how and what to watch for.
Setting the version
Set the Bedrock server version in the Versions/Startup setup for the Bedrock egg. The panel pulls the matching bedrock_server binary for the version you choose. Your worlds/ folder stays in place as long as you do not wipe it.
Downgrading safely
Downgrading carries the same world-compatibility risks as Java, so take precautions.
- Back up first — download your
worlds/folder via Files/SFTP before changing anything. - Set the target version (e.g. 1.18) in the Versions/Startup setup.
- Be aware a newer world may not open on an older Bedrock build — a world last saved on a newer version can fail to load after a downgrade.
- Match your players' client version so everyone can connect.
Warning: Always back up before downgrading. If the older binary cannot read a newer world, your backup is the only way back.
Frequently asked questions
Will I lose my world when I change versions? Not if you leave the worlds/ folder in place. Changing the binary does not wipe the world by itself.
Can I always downgrade cleanly? No. A world saved on a newer Bedrock version may not open on an older build. Back up first, and expect possible compatibility issues.
How do I avoid connection problems after changing? Match the server version to the version your players are running on their clients.