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Compatibility

What works with Minecraft 1.21.11-pre5

Minecraft 1.21.11-pre5 needs Java 21 or newer. Released 3 Dec 2025. Everything below comes from the projects' own published data, and each row says how we know.

Java requirement

Java 21 or newer

Published by Mojang for this exact version. An older runtime will not start it. Get a verified build.

Server software with builds

Real, downloadable builds for 1.21.11-pre5.

SoftwareBuildPublishedSizeChecksumDownload
Paper#164 Dec 202550.9 MBb9d820240254…jar ↗

Mod loaders

Support declared in each loader's own metadata.

Frequently asked

Which Java version does Minecraft 1.21.11-pre5 need?

Java 21 or newer. Mojang publishes this requirement in the version metadata, so an older runtime will refuse to start the server.

Which server software supports 1.21.11-pre5?

Paper publish builds for 1.21.11-pre5.

Everything about Minecraft 1.21.11-pre5

Is this information wrong or missing something? .