Compatibility

What works with Minecraft 1.17-pre1

Minecraft 1.17-pre1 needs Java 16 or newer. Released 27 May 2021. Everything below comes from the projects' own published data, and each row says how we know.

Java requirement

Java 16 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 1.17-pre1.

Software	Build	Published	Size	Checksum	Download
Sponge	#1	27 Jul 2026	8.2 MB	Not published	jar ↗

Mod loaders

Support declared in each loader's own metadata.

Sponge1.17-pre1-9.0.0-RC604inferredsupported
Quilt Loader0.31.0-beta.4declaredsupported
Fabric Loader0.19.5declaredsupported

Frequently asked

Which Java version does Minecraft 1.17-pre1 need?

Java 16 or newer. Mojang publishes this requirement in the version metadata, so an older runtime will refuse to start the server.

Which server software supports 1.17-pre1?

Sponge publish builds for 1.17-pre1.

Everything about Minecraft 1.17-pre1

Is this information wrong or missing something? .