Minecraft 21w05a
SnapshotLegacy 1.xMinecraft 21w05a is a Java Edition snapshot released on 3 Feb 2021 under the classic 1.x numbering. Mojang lists Java 8 as the required runtime. It speaks network protocol 1073741836.
Minecraft Snapshot 21w05a
New Features in 21w05a Azalea bushes as well as flowering azaela bushes! Added cave vines and glow berries! Added drip leaves! Added decorative blocks for the upcoming lush caves: hanging roots and rooted dirt! Added moss! Added spore blossom!
- Released
- 3 Feb 2021
- Requires Java
- Java 8+
- Protocol version
- 1073741836
- Data version
- 2690
- Version group
- 21w
- Numbering
- Legacy (1.x)
- Position
- #557 of 920
Official downloads
Served by Mojang. Verify the checksum before running anything.
| File | Size | SHA-1 | Download |
|---|---|---|---|
| Server jar | 36.7 MB | ff10b6f3bb37… | piston-data.mojang.com ↗ |
| Client jar | 17.6 MB | 225bda6c3721… | piston-data.mojang.com ↗ |
The catalogue on 21w05a
Projects that name 21w05a in their own release metadata. Follow any of these to the full filtered list.
Mod loaders
Support declared in each loader's own metadata.
- Quilt Loader0.31.0-beta.4declaredsupported
- Fabric Loader0.20.1declaredsupported
Everything in 21w
25 versions in this group.
| Version | Type | Protocol | Released |
|---|---|---|---|
| 21w44a | Snapshot | 1073741872 | 3 Nov 2021 |
| 21w43a | Snapshot | 1073741871 | 27 Oct 2021 |
| 21w42a | Snapshot | 1073741870 | 20 Oct 2021 |
| 21w41a | Snapshot | 1073741869 | 13 Oct 2021 |
| 21w40a | Snapshot | 1073741868 | 7 Oct 2021 |
| 21w39a | Snapshot | 1073741867 | 29 Sept 2021 |
| 21w38a | Snapshot | 1073741866 | 23 Sept 2021 |
| 21w37a | Snapshot | 1073741865 | 15 Sept 2021 |
| 21w20a | Snapshot | 1073741852 | 19 May 2021 |
| 21w19a | Snapshot | 1073741851 | 12 May 2021 |
| 21w18a | Snapshot | 1073741850 | 5 May 2021 |
| 21w17a | Snapshot | 1073741849 | 28 Apr 2021 |
| 21w16a | Snapshot | 1073741847 | 21 Apr 2021 |
| 21w15a | Snapshot | 1073741846 | 14 Apr 2021 |
| 21w14a | Snapshot | 1073741845 | 7 Apr 2021 |
| 21w13a | Snapshot | 1073741844 | 31 Mar 2021 |
| 21w11a | Snapshot | 1073741843 | 17 Mar 2021 |
| 21w10a | Snapshot | 1073741842 | 10 Mar 2021 |
| 21w08b | Snapshot | 1073741841 | 25 Feb 2021 |
| 21w08a | Snapshot | 1073741840 | 24 Feb 2021 |
| 21w07a | Snapshot | 1073741839 | 17 Feb 2021 |
| 21w06a | Snapshot | 1073741838 | 10 Feb 2021 |
| 21w05b | Snapshot | 1073741837 | 4 Feb 2021 |
| 21w05a | Snapshot | 1073741836 | 3 Feb 2021 |
| 21w03a | Snapshot | 1073741835 | 20 Jan 2021 |
Questions about Minecraft 21w05a
What Java version does Minecraft 21w05a require?
Java 8 is the runtime Mojang's launcher bundles for 21w05a, recorded in the metadata years after release. Versions from this era were built for the Java of their day, so Java 8 is the tested choice rather than a hard floor.
What protocol version does Minecraft 21w05a use?
Minecraft 21w05a speaks protocol 1073741836. A client and a server can only connect when their protocol numbers match.
Where do I download the Minecraft 21w05a 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.
Go deeper
Metadata from Mojang’s official version manifest. Protocol and data versions from the PrismarineJS minecraft-data project.
Is this information wrong or missing something? .