Minecraft 1.21.11-rc2
Release candidateLegacy 1.xMinecraft 1.21.11-rc2 is a Java Edition release candidate released on 5 Dec 2025 under the classic 1.x numbering. Mojang lists Java 21 as the required runtime. It speaks network protocol 1073742109.
Minecraft 1.21.11 Release Candidate 2
Today we are shipping Release Candidate 2, fixing a crash issue affecting some players.Happy mining!StabilityFixed a crash
- Released
- 5 Dec 2025
- Requires Java
- Java 21+
- Protocol version
- 1073742109
- Data version
- 4669
- Version group
- 1.21
- Numbering
- Legacy (1.x)
- Server software
- 1 with builds
- Position
- #856 of 903
Official downloads
Served by Mojang. Verify the checksum before running anything.
| File | Size | SHA-1 | Download |
|---|---|---|---|
| Server jar | 53.7 MB | 7715fc5af319… | piston-data.mojang.com ↗ |
| Client jar | 29.7 MB | c3cc67b46268… | piston-data.mojang.com ↗ |
The catalogue on 1.21.11-rc2
Projects that name 1.21.11-rc2 in their own release metadata. Follow any of these to the full filtered list.
What runs on 1.21.11-rc2
Builds are counted from each project's own API; declared support comes from the loader's metadata.
| Software | Latest build | Published | Checksum | Download |
|---|---|---|---|---|
| Paper | #29 | 7 Dec 2025 | 417e9e6fb7cd… | jar ↗ |
| Fabric Loader | 0.19.3 | Not build based | declared | loader |
| Quilt Loader | 0.30.1-beta.2 | Not build based | declared | loader |
Everything in 1.21
58 versions in this group.
| Version | Type | Protocol | Released |
|---|---|---|---|
| 1.21.11 | Release | 774 | 9 Dec 2025 |
| 1.21.11-rc3 | Release candidate | 1073742110 | 8 Dec 2025 |
| 1.21.11-rc2 | Release candidate | 1073742109 | 5 Dec 2025 |
| 1.21.11-rc1 | Release candidate | 1073742108 | 4 Dec 2025 |
| 1.21.11-pre5 | Pre-release | 1073742107 | 3 Dec 2025 |
| 1.21.11-pre4 | Pre-release | 1073742106 | 1 Dec 2025 |
| 1.21.11-pre3 | Pre-release | 1073742105 | 25 Nov 2025 |
| 1.21.11-pre2 | Pre-release | 1073742104 | 21 Nov 2025 |
| 1.21.11-pre1 | Pre-release | 1073742103 | 19 Nov 2025 |
| 1.21.10 | Release | 773 | 7 Oct 2025 |
| 1.21.10-rc1 | Release candidate | 1073742098 | 2 Oct 2025 |
| 1.21.9 | Release | 773 | 30 Sept 2025 |
| 1.21.9-rc1 | Release candidate | 1073742097 | 25 Sept 2025 |
| 1.21.9-pre4 | Pre-release | 1073742096 | 23 Sept 2025 |
| 1.21.9-pre3 | Pre-release | 1073742095 | 22 Sept 2025 |
| 1.21.9-pre2 | Pre-release | 1073742094 | 19 Sept 2025 |
| 1.21.9-pre1 | Pre-release | 1073742093 | 16 Sept 2025 |
| 1.21.8 | Release | 772 | 17 Jul 2025 |
| 1.21.8-rc1 | Release candidate | 1073742083 | 15 Jul 2025 |
| 1.21.7 | Release | 772 | 30 Jun 2025 |
| 1.21.7-rc2 | Release candidate | 1073742082 | 26 Jun 2025 |
| 1.21.7-rc1 | Release candidate | 1073742081 | 25 Jun 2025 |
| 1.21.6 | Release | 771 | 17 Jun 2025 |
| 1.21.6-rc1 | Release candidate | 1073742080 | 12 Jun 2025 |
| 1.21.6-pre4 | Pre-release | 1073742079 | 10 Jun 2025 |
| 1.21.6-pre3 | Pre-release | 1073742078 | 4 Jun 2025 |
| 1.21.6-pre2 | Pre-release | 1073742077 | 2 Jun 2025 |
| 1.21.6-pre1 | Pre-release | 1073742076 | 28 May 2025 |
| 1.21.5 | Release | 770 | 25 Mar 2025 |
| 1.21.5-rc2 | Release candidate | 1073742067 | 24 Mar 2025 |
| 1.21.5-rc1 | Release candidate | 1073742066 | 20 Mar 2025 |
| 1.21.5-pre3 | Pre-release | 1073742065 | 18 Mar 2025 |
| 1.21.5-pre2 | Pre-release | 1073742064 | 12 Mar 2025 |
| 1.21.5-pre1 | Pre-release | 1073742063 | 11 Mar 2025 |
| 1.21.4 | Release | 769 | 3 Dec 2024 |
| 1.21.4-rc3 | Release candidate | 1073742052 | 29 Nov 2024 |
| 1.21.4-rc2 | Release candidate | 1073742051 | 29 Nov 2024 |
| 1.21.4-rc1 | Release candidate | 1073742050 | 28 Nov 2024 |
| 1.21.4-pre3 | Pre-release | 1073742049 | 26 Nov 2024 |
| 1.21.4-pre2 | Pre-release | 1073742048 | 25 Nov 2024 |
| 1.21.4-pre1 | Pre-release | 1073742047 | 20 Nov 2024 |
| 1.21.3 | Release | 768 | 23 Oct 2024 |
| 1.21.2 | Release | 768 | 22 Oct 2024 |
| 1.21.2-rc2 | Release candidate | 1073742043 | 21 Oct 2024 |
| 1.21.2-rc1 | Release candidate | 1073742042 | 17 Oct 2024 |
| 1.21.2-pre5 | Pre-release | 1073742041 | 16 Oct 2024 |
| 1.21.2-pre4 | Pre-release | 1073742040 | 15 Oct 2024 |
| 1.21.2-pre3 | Pre-release | 1073742039 | 11 Oct 2024 |
| 1.21.2-pre2 | Pre-release | 1073742038 | 10 Oct 2024 |
| 1.21.2-pre1 | Pre-release | 1073742037 | 8 Oct 2024 |
| 1.21.1 | Release | 767 | 8 Aug 2024 |
| 1.21.1-rc1 | Release candidate | 1073742028 | 7 Aug 2024 |
| 1.21 | Release | 767 | 13 Jun 2024 |
| 1.21-rc1 | Release candidate | 1073742027 | 10 Jun 2024 |
| 1.21-pre4 | Pre-release | 1073742026 | 7 Jun 2024 |
| 1.21-pre3 | Pre-release | 1073742025 | 5 Jun 2024 |
| 1.21-pre2 | Pre-release | 1073742024 | 31 May 2024 |
| 1.21-pre1 | Pre-release | 1073742023 | 29 May 2024 |
Questions about Minecraft 1.21.11-rc2
What Java version does Minecraft 1.21.11-rc2 require?
Minecraft 1.21.11-rc2 requires Java 21 or newer. Mojang publishes this in the version metadata, so an older runtime refuses to start it.
What protocol version does Minecraft 1.21.11-rc2 use?
Minecraft 1.21.11-rc2 speaks protocol 1073742109. A client and a server can only connect when their protocol numbers match.
Where do I download the Minecraft 1.21.11-rc2 server jar?
Mojang hosts it directly. This page links to the official file with its SHA-1 checksum and size, so you can verify the download before you run it. We do not mirror or repackage it.
Which server software supports Minecraft 1.21.11-rc2?
Paper publish builds for 1.21.11-rc2. Each one is listed with its build number and checksum.
Go deeper
Metadata from Mojang’s official version manifest. Protocol and data versions from the PrismarineJS minecraft-data project.