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Compatibility

What works with Minecraft 25w45a

Minecraft 25w45a needs Java 21 or newer. Released 4 Nov 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

No server software in our catalogue has published a build for 25w45a. For a snapshot that is normal: server projects usually wait for the full release.

Mod loaders

Support declared in each loader's own metadata.

Frequently asked

Which Java version does Minecraft 25w45a 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 25w45a?

No server software in our catalogue has published a build for 25w45a yet.

Everything about Minecraft 25w45a

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