Compatibility
What works with Minecraft 13w21b
Released 27 May 2013. Everything below comes from the projects' own published data, and each row says how we know.
Java requirement
Java 8 or newer
Published by Mojang for this exact version. An older runtime will not start it. Get a verified build.
Server software
No server software in our catalogue has published a build for 13w21b. For a snapshot that is normal: server projects usually wait for the full release.
Frequently asked
Which Java version does Minecraft 13w21b need?
Java 8 or newer. Mojang publishes this requirement in the version metadata, so an older runtime will refuse to start the server.
Which server software supports 13w21b?
No server software in our catalogue has published a build for 13w21b yet.