Minecraft 16w21b
SnapshotLegacy 1.xMinecraft 16w21b is a Java Edition snapshot released on 26 May 2016 under the classic 1.x numbering. Mojang lists Java 8 as the required runtime. It speaks network protocol 203.
- Released
- 26 May 2016
- Requires Java
- Java 8+
- Protocol version
- 203
- Data version
- 504
- Version group
- 16w
- Numbering
- Legacy (1.x)
- Server software
- 0 with builds
- Position
- #300 of 903
Official downloads
Served by Mojang. Verify the checksum before running anything.
| File | Size | SHA-1 | Download |
|---|---|---|---|
| Server jar | 9.0 MB | 6dedac03d0fb… | piston-data.mojang.com ↗ |
| Client jar | 8.4 MB | e0dd76d667fe… | piston-data.mojang.com ↗ |
The catalogue on 16w21b
Projects that name 16w21b in their own release metadata. Follow any of these to the full filtered list.
Everything in 16w
29 versions in this group.
| Version | Type | Protocol | Released |
|---|---|---|---|
| 16w50a | Snapshot | 316 | 15 Dec 2016 |
| 16w44a | Snapshot | 313 | 3 Nov 2016 |
| 16w43a | Snapshot | 313 | 27 Oct 2016 |
| 16w42a | Snapshot | 312 | 19 Oct 2016 |
| 16w41a | Snapshot | 311 | 13 Oct 2016 |
| 16w40a | Snapshot | 310 | 6 Oct 2016 |
| 16w39c | Snapshot | 309 | 30 Sept 2016 |
| 16w39b | Snapshot | 308 | 29 Sept 2016 |
| 16w39a | Snapshot | 307 | 28 Sept 2016 |
| 16w38a | Snapshot | 306 | 20 Sept 2016 |
| 16w36a | Snapshot | 305 | 8 Sept 2016 |
| 16w35a | Snapshot | 304 | 1 Sept 2016 |
| 16w33a | Snapshot | 303 | 17 Aug 2016 |
| 16w32b | Snapshot | 302 | 11 Aug 2016 |
| 16w32a | Snapshot | 301 | 10 Aug 2016 |
| 16w21b | Snapshot | 203 | 26 May 2016 |
| 16w21a | Snapshot | 202 | 25 May 2016 |
| 16w20a | Snapshot | 201 | 18 May 2016 |
| 16w15b | Snapshot | 109 | 13 Apr 2016 |
| 16w15a | Snapshot | 109 | 11 Apr 2016 |
| 16w14a | Snapshot | 109 | 7 Apr 2016 |
| 16w07b | Snapshot | 102 | 16 Feb 2016 |
| 16w07a | Snapshot | 101 | 15 Feb 2016 |
| 16w06a | Snapshot | 100 | 10 Feb 2016 |
| 16w05b | Snapshot | 99 | 4 Feb 2016 |
| 16w05a | Snapshot | 98 | 3 Feb 2016 |
| 16w04a | Snapshot | 97 | 28 Jan 2016 |
| 16w03a | Snapshot | 96 | 20 Jan 2016 |
| 16w02a | Snapshot | 95 | 13 Jan 2016 |
Questions about Minecraft 16w21b
What Java version does Minecraft 16w21b require?
Minecraft 16w21b requires Java 8 or newer. Mojang publishes this in the version metadata, so an older runtime refuses to start it.
What protocol version does Minecraft 16w21b use?
Minecraft 16w21b speaks protocol 203. A client and a server can only connect when their protocol numbers match.
Where do I download the Minecraft 16w21b 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.