Minecraft 25w31a
SnapshotLegacy 1.xMinecraft 25w31a is a Java Edition snapshot released on 29 Jul 2025 under the classic 1.x numbering. Mojang lists Java 21 as the required runtime. It speaks network protocol 1073742084.
Minecraft Snapshot 25w31a
Oh, how we have yearned for the shipping room! We're back with our first snapshot release of the season, bringing you a big bundle of features from our third game drop of the year. Test the copper golem and copper chest for a tidier, livelier base, and wat
- Released
- 29 Jul 2025
- Requires Java
- Java 21+
- Protocol version
- 1073742084
- Data version
- 4534
- Version group
- 25w
- Numbering
- Legacy (1.x)
- Server software
- 0 with builds
- Position
- #827 of 903
Official downloads
Served by Mojang. Verify the checksum before running anything.
| File | Size | SHA-1 | Download |
|---|---|---|---|
| Server jar | 55.1 MB | b966ccab7666… | piston-data.mojang.com ↗ |
| Client jar | 28.6 MB | 998d0e6b83cc… | piston-data.mojang.com ↗ |
The catalogue on 25w31a
Projects that name 25w31a in their own release metadata. Follow any of these to the full filtered list.
What runs on 25w31a
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 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 25w31a
What Java version does Minecraft 25w31a require?
Minecraft 25w31a 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 25w31a use?
Minecraft 25w31a speaks protocol 1073742084. A client and a server can only connect when their protocol numbers match.
Where do I download the Minecraft 25w31a 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.