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Compatibility

What works with Minecraft 1.21.11

Released 9 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.

SoftwareBuildPublishedSizeChecksumDownload
ASPaper#1716610 May 202659.6 MBNot publishedjar ↗
Canvas#7946 Jun 202653.1 MBNot publishedjar ↗
DivineMC#296 Jul 202665.5 MBNot publishedjar ↗
Folia#1422 Feb 202652.5 MBf52c408490a0jar ↗
Leaf#17321 Jul 202680.0 MBNot publishedjar ↗
Leaves#15620 Jul 202661.4 MBNot publishedjar ↗
LooHP Limbo#7124 Jan 20268.3 MBNot publishedjar ↗
Paper#13211 May 202652.3 MB5ffef465eeebjar ↗
Pluto#4523 Jun 202652.7 MBNot publishedjar ↗
Purpur#25684 Apr 2026UnknownNot publishedjar ↗
Spigot#459824 Mar 202677.3 MBNot publishedjar ↗
Sponge#1228 Jul 20268.2 MBNot publishedjar ↗

Mod loaders

Support declared in each loader's own metadata.

Frequently asked

Which Java version does Minecraft 1.21.11 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?

ASPaper, Canvas, DivineMC, Folia, Leaf, Leaves, LooHP Limbo, Paper, Pluto, Purpur, Spigot, Sponge publish builds for 1.21.11.

Everything about Minecraft 1.21.11