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Compatibility

What works with Minecraft 1.21.4

Released 3 Dec 2024. 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 1.21.4.

SoftwareBuildPublishedSizeChecksumDownload
ASPaper#1670915 Jul 202556.3 MBNot publishedjar ↗
Canvas#34931 May 202558.3 MBNot publishedjar ↗
DivineMC#47627 Apr 202562.4 MBNot publishedjar ↗
Folia#613 Jun 202549.3 MBdcf2333211c1jar ↗
Leaf#5258 Feb 202665.4 MBNot publishedjar ↗
Leaves#821 Aug 202555.8 MBNot publishedjar ↗
LooHP Limbo#5114 Dec 20247.5 MBNot publishedjar ↗
Paper#2329 Jun 202549.1 MB5ee4f542f628jar ↗
Pluto#4012 Apr 202649.4 MBNot publishedjar ↗
Purpur#241612 Apr 2025UnknownNot publishedjar ↗
Spigot#445825 Mar 202575.5 MBNot publishedjar ↗
Sponge#11128 Jul 20268.1 MBNot publishedjar ↗

Mod loaders

Support declared in each loader's own metadata.

Frequently asked

Which Java version does Minecraft 1.21.4 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 1.21.4?

ASPaper, Canvas, DivineMC, Folia, Leaf, Leaves, LooHP Limbo, Paper, Pluto, Purpur, Spigot, Sponge publish builds for 1.21.4.

Everything about Minecraft 1.21.4