Compatibility
What works with Minecraft Build 20403457
Released 17 Oct 2025. Everything below comes from the projects' own published data, and each row says how we know.
Java requirement
Mojang does not publish a Java requirement for this version.
Server software
No server software in our catalogue has published a build for Build 20403457. For a snapshot that is normal: server projects usually wait for the full release.
Frequently asked
Which server software supports Build 20403457?
No server software in our catalogue has published a build for Build 20403457 yet.