Minecraft 20w15a
SnapshotLegacy 1.xMinecraft 20w15a is a Java Edition snapshot released on 8 Apr 2020 under the classic 1.x numbering. Mojang lists Java 8 as the required runtime. It speaks network protocol 711.

Minecraft Snapshot 20w15a
It's a wonderful day here in Sweden today! The sun is shining and spring is in the air, and when I say "spring" I mean pollen. Let's remedy that by 1) Staying indoors and 2) Introduce an all new biome with a grain of basalt, blackstone, and magma cubes! To
- Released
- 8 Apr 2020
- Requires Java
- Java 8+
- Protocol version
- 711
- Data version
- 2525
- Version group
- 20w
- Numbering
- Legacy (1.x)
- Server software
- 0 with builds
- Position
- #513 of 903
Official downloads
Served by Mojang. Verify the checksum before running anything.
| File | Size | SHA-1 | Download |
|---|---|---|---|
| Server jar | 35.0 MB | 64ca02e1e9fc… | piston-data.mojang.com ↗ |
| Client jar | 15.5 MB | 53585ce8bf64… | piston-data.mojang.com ↗ |
The catalogue on 20w15a
Projects that name 20w15a in their own release metadata. Follow any of these to the full filtered list.
What runs on 20w15a
Builds are counted from each project's own API; declared support comes from the loader's metadata.
| Software | Latest build | Published | Checksum | Download |
|---|---|---|---|---|
| Fabric Loader | 0.19.3 | Not build based | declared | loader |
| Quilt Loader | 0.30.1-beta.2 | Not build based | declared | loader |
Everything in 20w
28 versions in this group.
| Version | Type | Protocol | Released |
|---|---|---|---|
| 20w51a | Snapshot | 1073741833 | 16 Dec 2020 |
| 20w49a | Snapshot | 1073741832 | 2 Dec 2020 |
| 20w48a | Snapshot | 1073741831 | 25 Nov 2020 |
| 20w46a | Snapshot | 1073741830 | 11 Nov 2020 |
| 20w45a | Snapshot | 1073741829 | 4 Nov 2020 |
| 20w30a | Snapshot | 743 | 22 Jul 2020 |
| 20w29a | Snapshot | 741 | 15 Jul 2020 |
| 20w28a | Snapshot | 740 | 8 Jul 2020 |
| 20w27a | Snapshot | 738 | 1 Jul 2020 |
| 20w22a | Snapshot | 719 | 29 May 2020 |
| 20w21a | Snapshot | 718 | 20 May 2020 |
| 20w20b | Snapshot | 717 | 14 May 2020 |
| 20w20a | Snapshot | 716 | 13 May 2020 |
| 20w19a | Snapshot | 715 | 6 May 2020 |
| 20w18a | Snapshot | 714 | 29 Apr 2020 |
| 20w17a | Snapshot | 713 | 22 Apr 2020 |
| 20w16a | Snapshot | 712 | 15 Apr 2020 |
| 20w15a | Snapshot | 711 | 8 Apr 2020 |
| 20w14a | Snapshot | 710 | 2 Apr 2020 |
| 20w13b | Snapshot | 709 | 26 Mar 2020 |
| 20w13a | Snapshot | 708 | 25 Mar 2020 |
| 20w12a | Snapshot | 707 | 18 Mar 2020 |
| 20w11a | Snapshot | 706 | 11 Mar 2020 |
| 20w10a | Snapshot | 705 | 4 Mar 2020 |
| 20w09a | Snapshot | 704 | 26 Feb 2020 |
| 20w08a | Snapshot | 703 | 19 Feb 2020 |
| 20w07a | Snapshot | 702 | 14 Feb 2020 |
| 20w06a | Snapshot | 701 | 5 Feb 2020 |
Questions about Minecraft 20w15a
What Java version does Minecraft 20w15a require?
Minecraft 20w15a 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 20w15a use?
Minecraft 20w15a speaks protocol 711. A client and a server can only connect when their protocol numbers match.
Where do I download the Minecraft 20w15a 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.