Compatibility
What works with Minecraft 1.20
Released 2 Jun 2023. Everything below comes from the projects' own published data, and each row says how we know.
Java requirement
Java 17 or newer
Published by Mojang for this exact version. An older runtime will not start it. Get a verified build.
Server software with builds
Real, downloadable builds for 1.20.
| Software | Build | Published | Size | Checksum | Download |
|---|---|---|---|---|---|
| Arclight | #41 | 7 May 2026 | 5.5 MB | Not published | jar ↗ |
| BungeeCord | #1848 | 13 Jun 2024 | 19.1 MB | Not published | jar ↗ |
| DivineMC | #160 | 12 Jun 2023 | 44.0 MB | Not published | jar ↗ |
| Leaves | #3 | 12 Jun 2023 | 41.5 MB | Not published | jar ↗ |
| LooHP Limbo | #35 | 7 Jun 2023 | 7.1 MB | Not published | jar ↗ |
| Mohist | #19 | 12 Jun 2023 | 10.5 MB | Not published | jar ↗ |
| Paper | #17 | 13 Jun 2023 | 41.2 MB | 9f120693b83e… | jar ↗ |
| Purpur | #1990 | 12 Jun 2023 | Unknown | Not published | jar ↗ |
| Spigot | #3798 | 12 Jun 2023 | 66.1 MB | Not published | jar ↗ |
| Sponge | #3 | 28 Jul 2026 | 9.3 MB | Not published | jar ↗ |
| Waterfall | #578 | 27 May 2024 | 0.0 MB | b8f9e8df86a3… | jar ↗ |
Mod loaders
Support declared in each loader's own metadata.
- Spigot#3798inferredsupported
- Arclight1.0.6-SNAPSHOT-6de9fec-forgeinferredsupported
- DivineMC#160inferredsupported
- LooHP Limbo#35inferredsupported
- Sponge1.20-11.0.0-RC1348inferredsupported
- Leaves#3inferredsupported
- Mohist#19inferredsupported
- BungeeCord#1848inferredsupported
- Minecraft Forge46.0.14declaredsupported
- Fabric Loader0.19.3declaredsupported
- Quilt Loader0.30.1-beta.2declaredsupported
Clients that can join
Protocol 763 is shared with these versions, so they can connect without a translation proxy.
Frequently asked
Which Java version does Minecraft 1.20 need?
Java 17 or newer. Mojang publishes this requirement in the version metadata, so an older runtime will refuse to start the server.
Which Minecraft versions can connect to a 1.20 server?
Any client speaking protocol 763: 1.20.1. Versions with a different protocol number need a translation proxy such as ViaVersion.
Which server software supports 1.20?
Arclight, BungeeCord, DivineMC, Leaves, LooHP Limbo, Mohist, Paper, Purpur, Spigot, Sponge, Waterfall publish builds for 1.20.