Java 21

LTS

Java 21 is the runtime Mojang requires for 14 Minecraft releases, from 1.20.5 through 1.21.11. Builds below come from Eclipse Adoptium and link straight to the official download.

Feature version: Java 21
Support: Long-term support
Distribution: Eclipse Temurin
Latest build: jdk-21.0.12+8
Minecraft releases: 14
Platforms: 5 operating systems
Downloadable builds: 73
Source: Adoptium API

Minecraft releases that need Java 21

Straight from Mojang's per-version metadata, not inferred.

1.21.11 1.21.10 1.21.9 1.21.8 1.21.7 1.21.6 1.21.5 1.21.4 1.21.3 1.21.2 1.21.1 1.21 1.20.6 1.20.5

Windows

12 builds

Architecture	Image	Release	Size	SHA-256	Download
aarch64	debugimage	21.0.11+10.0.LTS	46.3 MB	`89abafb0e294…`	adoptium.net ↗
aarch64	jdk	21.0.11+10.0.LTS	183.7 MB	`a6ef0829c261…`	adoptium.net ↗
aarch64	jre	21.0.11+10.0.LTS	38.2 MB	`22e2c2b83a7d…`	adoptium.net ↗
aarch64	sbom	21.0.11+10.0.LTS	0.2 MB	`78d6c0f5925d…`	adoptium.net ↗
aarch64	staticlibs	21.0.11+10.0.LTS	16.4 MB	`1084602b9b29…`	adoptium.net ↗
aarch64	testimage	21.0.11+10.0.LTS	14.3 MB	`5a354daa8641…`	adoptium.net ↗
x64	debugimage	21.0.11+10.0.LTS	47.8 MB	`b8bf1a32dff7…`	adoptium.net ↗
x64	jdk	21.0.11+10.0.LTS	195.6 MB	`d3625e7cadf2…`	adoptium.net ↗
x64	jre	21.0.11+10.0.LTS	46.7 MB	`be26677aaa20…`	adoptium.net ↗
x64	sbom	21.0.11+10.0.LTS	0.2 MB	`52e3512edc15…`	adoptium.net ↗
x64	staticlibs	21.0.11+10.0.LTS	17.2 MB	`b62beca753a5…`	adoptium.net ↗
x64	testimage	21.0.11+10.0.LTS	15.8 MB	`0b0dbc927cf5…`	adoptium.net ↗

macOS

12 builds

Architecture	Image	Release	Size	SHA-256	Download
aarch64	debugimage	21.0.11+10.0.LTS	48.3 MB	`5d22dbe97570…`	adoptium.net ↗
aarch64	jdk	21.0.11+10.0.LTS	190.8 MB	`6ebcf221c9b4…`	adoptium.net ↗
aarch64	jre	21.0.11+10.0.LTS	45.9 MB	`4b7a8cd23102…`	adoptium.net ↗
aarch64	sbom	21.0.11+10.0.LTS	0.2 MB	`752ec486eb98…`	adoptium.net ↗
aarch64	staticlibs	21.0.11+10.0.LTS	3.7 MB	`d66a301847fb…`	adoptium.net ↗
aarch64	testimage	21.0.11+10.0.LTS	27.4 MB	`d8eb8f16d091…`	adoptium.net ↗
x64	debugimage	21.0.11+10.0.LTS	50.5 MB	`1942018fb700…`	adoptium.net ↗
x64	jdk	21.0.11+10.0.LTS	185.3 MB	`34180eb03e6d…`	adoptium.net ↗
x64	jre	21.0.11+10.0.LTS	40.2 MB	`b341fb8ed5b7…`	adoptium.net ↗
x64	sbom	21.0.11+10.0.LTS	0.2 MB	`4b851d9c8a3d…`	adoptium.net ↗
x64	staticlibs	21.0.11+10.0.LTS	3.8 MB	`86494abcc678…`	adoptium.net ↗
x64	testimage	21.0.11+10.0.LTS	29.1 MB	`587bd0bfd335…`	adoptium.net ↗

Linux

31 builds

Architecture	Image	Release	Size	SHA-256	Download
aarch64	debugimage	21.0.12+8.0.LTS	205.2 MB	`4945d0910ba4…`	adoptium.net ↗
aarch64	jdk	21.0.12+8.0.LTS	196.1 MB	`eba38e871b02…`	adoptium.net ↗
aarch64	jre	21.0.12+8.0.LTS	48.8 MB	`5f9c96b65682…`	adoptium.net ↗
aarch64	sbom	21.0.12+8.0.LTS	0.2 MB	`26ac71320c34…`	adoptium.net ↗
aarch64	staticlibs	21.0.12+8.0.LTS	4.0 MB	`16694e6003ce…`	adoptium.net ↗
aarch64	testimage	21.0.12+8.0.LTS	112.0 MB	`1caefd10b2be…`	adoptium.net ↗
ppc64le	debugimage	21.0.11+10.0.LTS	201.3 MB	`5c106e55ae68…`	adoptium.net ↗
ppc64le	jdk	21.0.11+10.0.LTS	197.7 MB	`3d043ae96d23…`	adoptium.net ↗
ppc64le	jre	21.0.11+10.0.LTS	49.7 MB	`fefb53c4bd68…`	adoptium.net ↗
ppc64le	sbom	21.0.11+10.0.LTS	0.2 MB	`b6db10b6d651…`	adoptium.net ↗
ppc64le	staticlibs	21.0.11+10.0.LTS	4.7 MB	`0d794302c918…`	adoptium.net ↗
ppc64le	testimage	21.0.11+10.0.LTS	118.6 MB	`0efacbee5039…`	adoptium.net ↗
riscv64	debugimage	21.0.11+10.0.LTS	184.3 MB	`eefbf2666ab1…`	adoptium.net ↗
riscv64	jdk	21.0.11+10.0.LTS	197.3 MB	`40c6862e6aff…`	adoptium.net ↗
riscv64	jre	21.0.11+10.0.LTS	49.2 MB	`f3d8843c5a1b…`	adoptium.net ↗
riscv64	sbom	21.0.11+10.0.LTS	0.2 MB	`51a18d3a61f7…`	adoptium.net ↗
riscv64	staticlibs	21.0.11+10.0.LTS	6.2 MB	`2fc6ceb61794…`	adoptium.net ↗
riscv64	testimage	21.0.11+10.0.LTS	105.9 MB	`87185a379c9e…`	adoptium.net ↗
s390x	debugimage	21.0.11+10.0.LTS	154.0 MB	`7396c520bbf8…`	adoptium.net ↗
s390x	jdk	21.0.11+10.0.LTS	186.0 MB	`14dbe3cb226e…`	adoptium.net ↗
s390x	jre	21.0.11+10.0.LTS	46.6 MB	`45736e9e14d5…`	adoptium.net ↗
s390x	sbom	21.0.11+10.0.LTS	0.2 MB	`982b64c52a82…`	adoptium.net ↗
s390x	staticlibs	21.0.11+10.0.LTS	4.0 MB	`4942f93b0f44…`	adoptium.net ↗
s390x	testimage	21.0.11+10.0.LTS	99.1 MB	`3e02d13e4d81…`	adoptium.net ↗
x64	debugimage	21.0.12+8.0.LTS	223.4 MB	`3071d3cef6a8…`	adoptium.net ↗
x64	jdk	21.0.12+8.0.LTS	197.9 MB	`e4446ff06a27…`	adoptium.net ↗
x64	jre	21.0.12+8.0.LTS	49.7 MB	`8a379a67c91a…`	adoptium.net ↗
x64	sbom	21.0.12+8.0.LTS	0.2 MB	`95850c176f44…`	adoptium.net ↗
x64	sources	21.0.12+8.0.LTS	109.7 MB	`4a7347be4f59…`	adoptium.net ↗
x64	staticlibs	21.0.12+8.0.LTS	4.3 MB	`5b0dd34a58f6…`	adoptium.net ↗
x64	testimage	21.0.12+8.0.LTS	112.3 MB	`3bf596f18c2f…`	adoptium.net ↗

Alpine Linux

12 builds

Architecture	Image	Release	Size	SHA-256	Download
aarch64	debugimage	21.0.11+10.0.LTS	213.3 MB	`cc07a8fa9bb1…`	adoptium.net ↗
aarch64	jdk	21.0.11+10.0.LTS	196.1 MB	`c8d63598d1dc…`	adoptium.net ↗
aarch64	jre	21.0.11+10.0.LTS	48.8 MB	`33399db5fb4f…`	adoptium.net ↗
aarch64	sbom	21.0.11+10.0.LTS	0.2 MB	`197f20313b92…`	adoptium.net ↗
aarch64	staticlibs	21.0.11+10.0.LTS	3.5 MB	`d7590e19c7ce…`	adoptium.net ↗
aarch64	testimage	21.0.11+10.0.LTS	111.3 MB	`71735c1443b7…`	adoptium.net ↗
x64	debugimage	21.0.11+10.0.LTS	230.8 MB	`ff4d64bb9e7f…`	adoptium.net ↗
x64	jdk	21.0.11+10.0.LTS	198.1 MB	`38bfdcef1e4b…`	adoptium.net ↗
x64	jre	21.0.11+10.0.LTS	49.8 MB	`b75c9f0dd052…`	adoptium.net ↗
x64	sbom	21.0.11+10.0.LTS	0.2 MB	`4783cbd4a411…`	adoptium.net ↗
x64	staticlibs	21.0.11+10.0.LTS	3.8 MB	`807a9740b6c6…`	adoptium.net ↗
x64	testimage	21.0.11+10.0.LTS	112.0 MB	`303492531d0f…`	adoptium.net ↗

AIX

6 builds

Architecture	Image	Release	Size	SHA-256	Download
ppc64	debugimage	21.0.11+10.0.LTS	40.3 MB	`94356e3e8685…`	adoptium.net ↗
ppc64	jdk	21.0.11+10.0.LTS	192.3 MB	`89e5d5a86bef…`	adoptium.net ↗
ppc64	jre	21.0.11+10.0.LTS	46.1 MB	`f0efb13cb91e…`	adoptium.net ↗
ppc64	sbom	21.0.11+10.0.LTS	0.1 MB	`8eca54c89fa2…`	adoptium.net ↗
ppc64	staticlibs	21.0.11+10.0.LTS	6.1 MB	`b9bec3e22a1b…`	adoptium.net ↗
ppc64	testimage	21.0.11+10.0.LTS	57.5 MB	`14fdb8b46d41…`	adoptium.net ↗

Every download links to Eclipse Adoptium. Verify the SHA-256 before running an installer. Build data last synced 28 Jul 2026.