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Paper for Minecraft 1.21.3

82 builds of Paper published for Minecraft 1.21.3, newest first. Every download links to the project’s own release.

Latest build
#83
Java required
Java 21 or newer
Builds
82
Newest published
28 Mar 2025

Paper builds for 1.21.3

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

All versions
BuildChannelPublishedSizeDownload
#83release28 Mar 202548.6 MBpaper-1.21.3-83.jar87e973e1d338
#82release23 Dec 202448.6 MBpaper-1.21.3-82.jar1f82f39bfc7c
#81release3 Dec 202448.6 MBpaper-1.21.3-81.jarfe7adccef0c0
#80release1 Dec 202448.5 MBpaper-1.21.3-80.jarea8ac3f813ab
#79release1 Dec 202448.5 MBpaper-1.21.3-79.jarfdb4769c70db
#78release1 Dec 202448.5 MBpaper-1.21.3-78.jar222029bf162f
#77release1 Dec 202448.5 MBpaper-1.21.3-77.jare336663a263e
#76release30 Nov 202448.5 MBpaper-1.21.3-76.jar1b34b1bd98fe
#75release30 Nov 202448.5 MBpaper-1.21.3-75.jar3aa6503cd0af
#74release29 Nov 202448.5 MBpaper-1.21.3-74.jar1fa02a7bda72
#73release29 Nov 202448.5 MBpaper-1.21.3-73.jar99d47ae6ed87
#72release29 Nov 202448.5 MBpaper-1.21.3-72.jar1596535d6b3d
#71release28 Nov 202448.5 MBpaper-1.21.3-71.jar40c0c64990f9
#70release28 Nov 202448.5 MBpaper-1.21.3-70.jar3f8c150f78fb
#69release28 Nov 202448.5 MBpaper-1.21.3-69.jar4eeeb6074b83
#68release28 Nov 202448.5 MBpaper-1.21.3-68.jarf89d2f9e90b9
#67release27 Nov 202448.5 MBpaper-1.21.3-67.jar3506c5095645
#66release27 Nov 202448.5 MBpaper-1.21.3-66.jar5320e856f9e1
#65release26 Nov 202448.5 MBpaper-1.21.3-65.jare3625b91c22d
#64release26 Nov 202448.5 MBpaper-1.21.3-64.jar29f491814e8b
#63release25 Nov 202448.5 MBpaper-1.21.3-63.jar8538a2c1030c
#62release25 Nov 202448.5 MBpaper-1.21.3-62.jara2f11df04bda
#61release25 Nov 202448.5 MBpaper-1.21.3-61.jar47e016997eb7
#60release24 Nov 202448.5 MBpaper-1.21.3-60.jarb14a7f45c920
#59release24 Nov 202448.5 MBpaper-1.21.3-59.jardfaa3d85ec7a
#58release24 Nov 202448.5 MBpaper-1.21.3-58.jaracbe1baf60db
#56alpha23 Nov 202448.5 MBpaper-1.21.3-56.jar86ee2b03e24c
#55alpha23 Nov 202448.5 MBpaper-1.21.3-55.jarabcad624b29d
#54alpha23 Nov 202448.5 MBpaper-1.21.3-54.jara2d8f5b70c23
#53alpha23 Nov 202448.5 MBpaper-1.21.3-53.jar38d65ba35025
#52alpha23 Nov 202448.5 MBpaper-1.21.3-52.jar50729ce0a98f
#51alpha23 Nov 202448.5 MBpaper-1.21.3-51.jarfb1ef8ecb110
#50alpha23 Nov 202448.5 MBpaper-1.21.3-50.jarcf143d883ee4
#49alpha23 Nov 202448.5 MBpaper-1.21.3-49.jard817afc576e8
#48alpha22 Nov 202448.5 MBpaper-1.21.3-48.jar19399e5e99c3
#47alpha22 Nov 202448.5 MBpaper-1.21.3-47.jarc787a99e7261
#46alpha21 Nov 202448.5 MBpaper-1.21.3-46.jar546aec5e79b9
#45alpha21 Nov 202448.5 MBpaper-1.21.3-45.jarfd95a59b2ed9
#44alpha19 Nov 202448.5 MBpaper-1.21.3-44.jar520942370ce6
#43alpha19 Nov 202448.5 MBpaper-1.21.3-43.jar20863d1ab5d7
#42alpha19 Nov 202448.5 MBpaper-1.21.3-42.jar47fd94dbc665
#41alpha19 Nov 202448.5 MBpaper-1.21.3-41.jar902c26a4e057
#40alpha19 Nov 202448.5 MBpaper-1.21.3-40.jar833dd599602f
#39alpha19 Nov 202448.5 MBpaper-1.21.3-39.jar4927c065162d
#38alpha18 Nov 202448.5 MBpaper-1.21.3-38.jar1ecd46f37979
#37alpha18 Nov 202448.3 MBpaper-1.21.3-37.jar7d83c85961e6
#36alpha18 Nov 202448.3 MBpaper-1.21.3-36.jar206a328b79c5
#35alpha18 Nov 202448.3 MBpaper-1.21.3-35.jarfda3f9a6c12c
#34alpha18 Nov 202448.3 MBpaper-1.21.3-34.jar6cdf3797e851
#33alpha18 Nov 202448.3 MBpaper-1.21.3-33.jar44e8e86e2e58
#32alpha18 Nov 202448.3 MBpaper-1.21.3-32.jarbd17fd699154
#31alpha17 Nov 202448.2 MBpaper-1.21.3-31.jar62e6bd2881a2
#30alpha17 Nov 202448.2 MBpaper-1.21.3-30.jarc488ad142751
#29alpha15 Nov 202448.2 MBpaper-1.21.3-29.jareb58806b3535
#28alpha15 Nov 202448.2 MBpaper-1.21.3-28.jar8a4092c7dfce
#27alpha11 Nov 202448.2 MBpaper-1.21.3-27.jar8f38c602e733
#26alpha11 Nov 202448.2 MBpaper-1.21.3-26.jarffba1b4b70ab
#25alpha10 Nov 202448.2 MBpaper-1.21.3-25.jar13d267c06337
#24alpha10 Nov 202448.2 MBpaper-1.21.3-24.jar1f352137c0e9
#23alpha9 Nov 202448.2 MBpaper-1.21.3-23.jare4aaf0a7dee0
#22alpha9 Nov 202448.2 MBpaper-1.21.3-22.jar4abea255d51d
#21alpha9 Nov 202448.2 MBpaper-1.21.3-21.jarb00acf697a3b
#20alpha9 Nov 202448.2 MBpaper-1.21.3-20.jar2ba0bda071a1
#19alpha9 Nov 202448.2 MBpaper-1.21.3-19.jar9761d6117692
#18alpha9 Nov 202448.2 MBpaper-1.21.3-18.jareedae621872d
#17alpha9 Nov 202448.2 MBpaper-1.21.3-17.jar88f5c17befdf
#16alpha9 Nov 202448.2 MBpaper-1.21.3-16.jar077aa49b9dbe
#15alpha8 Nov 202448.2 MBpaper-1.21.3-15.jar69da43da2a0c
#14alpha6 Nov 202448.2 MBpaper-1.21.3-14.jar3a755a582e9f
#13alpha5 Nov 202448.2 MBpaper-1.21.3-13.jardb0ad76d1cca
#12alpha4 Nov 202448.2 MBpaper-1.21.3-12.jaraa39b55022ee
#11alpha2 Nov 202448.2 MBpaper-1.21.3-11.jarde0c847acf78
#10alpha1 Nov 202448.2 MBpaper-1.21.3-10.jar7972e1c57947
#9alpha1 Nov 202448.2 MBpaper-1.21.3-9.jar2bcf8a8ea035
#8alpha1 Nov 202448.2 MBpaper-1.21.3-8.jarae58cb6f4006
#7alpha1 Nov 202448.2 MBpaper-1.21.3-7.jare2f99136350e
#6alpha1 Nov 202448.2 MBpaper-1.21.3-6.jar4ce68268967b
#5alpha1 Nov 202448.2 MBpaper-1.21.3-5.jarb3b1b2bc6076
#4alpha1 Nov 202448.2 MBpaper-1.21.3-4.jarb02ee14df0d4
#3alpha31 Oct 202448.2 MBpaper-1.21.3-3.jare72a961353db
#2alpha31 Oct 202448.2 MBpaper-1.21.3-2.jar6cad2767dfdd
#1alpha31 Oct 202448.2 MBpaper-1.21.3-1.jar3ecd30cf16f5

Paper on 1.21.3: common questions

Does Paper support Minecraft 1.21.3?

Yes. 82 builds have been published for 1.21.3, the newest being build 83. 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 1.21.3?

Java 21 or newer. The requirement comes from Minecraft 1.21.3 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 1.21.3?

The newest one, build 83, published 16 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.