Minecraft 25w20a
SnapshotLegacy 1.xMinecraft 25w20a is a Java Edition snapshot released on 13 May 2025 under the classic 1.x numbering. Mojang lists Java 21 as the required runtime. It speaks network protocol 1073742074.
Minecraft Snapshot 25w20a
This week we’re releasing the final features from this year’s second drop. Today’s snapshot brings craftable saddles as well as some stunning tracks, courtesy of Amos Roddy.
- Released
- 13 May 2025
- Requires Java
- Java 21+
- Protocol version
- 1073742074
- Data version
- 4428
- Version group
- 25w
- Numbering
- Legacy (1.x)
- Server software
- 1 with builds
- Position
- #814 of 920
Official downloads
Served by Mojang. Verify the checksum before running anything.
| File | Size | SHA-1 | Download |
|---|---|---|---|
| Server jar | 54.9 MB | 4b7a074f7813… | piston-data.mojang.com ↗ |
| Client jar | 28.1 MB | a6e694c5c546… | piston-data.mojang.com ↗ |
The catalogue on 25w20a
Projects that name 25w20a in their own release metadata. Follow any of these to the full filtered list.
Server software for 25w20a
Real, downloadable builds for 25w20a.
Mod loaders
Support declared in each loader's own metadata.
- Quilt Loader0.31.0-beta.4declaredsupported
- Fabric Loader0.20.1declaredsupported
Everything in 25w
32 versions in this group.
| Version | Type | Protocol | Released |
|---|---|---|---|
| 25w46a | Snapshot | 1073742102 | 11 Nov 2025 |
| 25w45a | Snapshot | 1073742101 | 4 Nov 2025 |
| 25w44a | Snapshot | 1073742100 | 28 Oct 2025 |
| 25w43a | Snapshot | 1073742099 | 21 Oct 2025 |
| 25w42a | Snapshot | 1073742098 | 14 Oct 2025 |
| 25w41a | Snapshot | 1073742097 | 9 Oct 2025 |
| 25w37a | Snapshot | 1073742092 | 9 Sept 2025 |
| 25w36b | Snapshot | 1073742091 | 2 Sept 2025 |
| 25w36a | Snapshot | 1073742090 | 2 Sept 2025 |
| 25w35a | Snapshot | 1073742089 | 26 Aug 2025 |
| 25w34b | Snapshot | 1073742088 | 19 Aug 2025 |
| 25w34a | Snapshot | 1073742087 | 19 Aug 2025 |
| 25w33a | Snapshot | 1073742086 | 12 Aug 2025 |
| 25w32a | Snapshot | 1073742085 | 5 Aug 2025 |
| 25w31a | Snapshot | 1073742084 | 29 Jul 2025 |
| 25w21a | Snapshot | 1073742075 | 20 May 2025 |
| 25w20a | Snapshot | 1073742074 | 13 May 2025 |
| 25w19a | Snapshot | 1073742073 | 6 May 2025 |
| 25w18a | Snapshot | 1073742072 | 29 Apr 2025 |
| 25w17a | Snapshot | 1073742071 | 22 Apr 2025 |
| 25w16a | Snapshot | 1073742070 | 15 Apr 2025 |
| 25w15a | Snapshot | 1073742069 | 8 Apr 2025 |
| 25w10a | Snapshot | 1073742062 | 5 Mar 2025 |
| 25w09b | Snapshot | 1073742061 | 27 Feb 2025 |
| 25w09a | Snapshot | 1073742060 | 26 Feb 2025 |
| 25w08a | Snapshot | 1073742059 | 19 Feb 2025 |
| 25w07a | Snapshot | 1073742058 | 13 Feb 2025 |
| 25w06a | Snapshot | 1073742057 | 5 Feb 2025 |
| 25w05a | Snapshot | 1073742056 | 29 Jan 2025 |
| 25w04a | Snapshot | 1073742055 | 22 Jan 2025 |
| 25w03a | Snapshot | 1073742054 | 15 Jan 2025 |
| 25w02a | Snapshot | 1073742053 | 8 Jan 2025 |
Questions about Minecraft 25w20a
What Java version does Minecraft 25w20a require?
Minecraft 25w20a requires Java 21 or newer. Mojang publishes this in the version metadata, and an older runtime refuses to start it.
What protocol version does Minecraft 25w20a use?
Minecraft 25w20a speaks protocol 1073742074. A client and a server can only connect when their protocol numbers match.
Where do I download the Minecraft 25w20a 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 25w20a?
Sponge publishes builds for 25w20a. Each one is listed with its build number.
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? .