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Paper for Minecraft 1.21.6

46 builds of Paper published for Minecraft 1.21.6, newest first. Every download links to the project’s own release.

Latest build
#48
Java required
Java 21 or newer
Builds
46
Newest published
30 Jun 2025

Paper builds for 1.21.6

Newest first. The checksum is the project's own, where it publishes one.

All versions
BuildChannelPublishedSizeDownload
#48release30 Jun 202550.2 MBpaper-1.21.6-48.jar35e2dfa66b34…
#47release28 Jun 202550.2 MBpaper-1.21.6-47.jarc4bfc337e091…
#46release26 Jun 202550.2 MBpaper-1.21.6-46.jarbfca155b4a6b…
#45release26 Jun 202550.2 MBpaper-1.21.6-45.jar222d58ef7df2…
#44release25 Jun 202550.2 MBpaper-1.21.6-44.jar6b08e9238988…
#43release25 Jun 202550.2 MBpaper-1.21.6-43.jar1af33a21698e…
#42alpha25 Jun 202550.2 MBpaper-1.21.6-42.jarb9c6c594c7e1…
#39alpha25 Jun 202550.2 MBpaper-1.21.6-39.jar6006111fc2d9…
#38alpha25 Jun 202550.2 MBpaper-1.21.6-38.jar907660e52872…
#37alpha25 Jun 202550.2 MBpaper-1.21.6-37.jar4a2cdbba9f30…
#36alpha25 Jun 202550.2 MBpaper-1.21.6-36.jar4b363db9f3ee…
#35alpha25 Jun 202550.2 MBpaper-1.21.6-35.jar30adcfbb1316…
#34alpha24 Jun 202550.2 MBpaper-1.21.6-34.jar6fc1a2c7f1e3…
#33alpha24 Jun 202550.2 MBpaper-1.21.6-33.jarc2349b032ba3…
#32alpha24 Jun 202550.2 MBpaper-1.21.6-32.jarc074de95fc46…
#31alpha24 Jun 202550.2 MBpaper-1.21.6-31.jar722e709e4187…
#30alpha24 Jun 202550.2 MBpaper-1.21.6-30.jarb3ec76321602…
#29alpha23 Jun 202550.2 MBpaper-1.21.6-29.jar2ad90980ad20…
#28alpha22 Jun 202550.2 MBpaper-1.21.6-28.jar166631369ae4…
#27alpha22 Jun 202550.2 MBpaper-1.21.6-27.jara79f38f76b0a…
#26alpha21 Jun 202550.2 MBpaper-1.21.6-26.jarbe538903245e…
#25alpha21 Jun 202550.2 MBpaper-1.21.6-25.jar7d0071704f59…
#24alpha21 Jun 202550.2 MBpaper-1.21.6-24.jarc87e8d21ab21…
#23alpha21 Jun 202550.2 MBpaper-1.21.6-23.jar57e8762b8af2…
#22alpha21 Jun 202550.2 MBpaper-1.21.6-22.jar9601fc325581…
#21alpha21 Jun 202550.2 MBpaper-1.21.6-21.jara0e643ae64e2…
#20alpha21 Jun 202550.2 MBpaper-1.21.6-20.jar043209c28cfa…
#19alpha21 Jun 202550.2 MBpaper-1.21.6-19.jar4efd6c1af39c…
#18alpha21 Jun 202550.2 MBpaper-1.21.6-18.jar5be4dee6f69d…
#17alpha20 Jun 202550.2 MBpaper-1.21.6-17.jar991df2bfc465…
#16alpha20 Jun 202550.2 MBpaper-1.21.6-16.jar5506acabc227…
#15alpha20 Jun 202550.2 MBpaper-1.21.6-15.jard22e0e44602a…
#14alpha20 Jun 202549.3 MBpaper-1.21.6-14.jaraaf44356d833…
#13alpha20 Jun 202549.3 MBpaper-1.21.6-13.jar08b89412822b…
#12alpha19 Jun 202549.3 MBpaper-1.21.6-12.jara255620b8f9e…
#11alpha18 Jun 202549.3 MBpaper-1.21.6-11.jarf2bca1e45cbc…
#10alpha18 Jun 202549.3 MBpaper-1.21.6-10.jar9ad8fe29bab3…
#9alpha18 Jun 202549.3 MBpaper-1.21.6-9.jar75767fc79af9…
#8alpha18 Jun 202549.3 MBpaper-1.21.6-8.jar0dd8303ca8de…
#7alpha17 Jun 202549.3 MBpaper-1.21.6-7.jar51ffacd71bef…
#6alpha17 Jun 202549.3 MBpaper-1.21.6-6.jar4dbaea2e2313…
#5alpha17 Jun 202549.3 MBpaper-1.21.6-5.jar832e52d375ca…
#4alpha17 Jun 202549.3 MBpaper-1.21.6-4.jar609008fe9fa6…
#3alpha17 Jun 202549.3 MBpaper-1.21.6-3.jarc16158638444…
#2alpha17 Jun 202549.3 MBpaper-1.21.6-2.jard835290339f5…
#1alpha17 Jun 202549.3 MBpaper-1.21.6-1.jar0aa696157ea6…

Paper on 1.21.6: common questions

Does Paper support Minecraft 1.21.6?

Yes. 46 builds have been published for 1.21.6, the newest being build 48. This is not a declared claim: each build below is a real file the project released for this version.

Which Java version do I need for Paper 1.21.6?

Java 21 or newer. The requirement comes from Minecraft 1.21.6 itself rather than from Paper, so it applies to any server software running this version. A newer Java than that is fine.

Which Paper build should I run on 1.21.6?

The newest one, build 48, published 13 mo ago. Later builds for the same Minecraft version are bug fixes and performance work, so there is rarely a reason to run an older one deliberately.

Is this download official?

Yes. Every link points at Paper's own release or API. MCReference does not mirror, re-host or repackage a jar; where the project publishes a SHA-256 we show it so you can verify the file you got.