Minecraft 1.21.5 Server Jar
Minecraft 1.21.5 was released by Mojang on 25 Mar 2025 and its server requires Java 21 or newer. 13 server software builds for 1.21.5 are listed below — pick vanilla for the pure game, Paper for plugins, or a mod loader for mods.
The official vanilla server.jar has SHA-1 e6ec2f64e6080b9b5d9b471b291c33cc7f509733.
| Software | Build | Build date | Plugins / mods | Source |
|---|---|---|---|---|
| Vanilla 1.21.5 | — | 25 Mar 2025 | none (data packs) | official |
| Paper 1.21.5 | #114 experimental | 18 Jun 2025 | Bukkit/Paper plugins | official |
| Spigot 1.21.5 | #4504 | 17 Jun 2025 | Bukkit plugins | mirror |
| CraftBukkit 1.21.5 | — | — | Bukkit plugins | mirror |
| Purpur 1.21.5 | #2450 | 17 Jun 2025 | Bukkit/Paper plugins | official |
| Folia 1.21.5 | #12 experimental | 13 Jun 2025 | Folia plugins | official |
| Leaves 1.21.5 | #57 | 1 Jul 2025 | Bukkit/Paper plugins | mirror |
| Leaf 1.21.5 | #68 | 1 Jul 2025 | Bukkit/Paper plugins | official |
| Fabric 1.21.5 | — | — | Fabric mods | official |
| Quilt 1.21.5 | — | — | Quilt/Fabric mods | official |
| Forge 1.21.5 | 55.1.18 | 15 Oct 2026 | Forge mods | official |
| NeoForge 1.21.5 | 21.5.101 | 15 Oct 2026 | NeoForge mods | official |
| SpongeVanilla 1.21.5 | 1.21.5-15.0.1-RC2561 | 25 Mar 2025 | Sponge plugins | official |
Which 1.21.5 server should I use?
- Vanilla — the unmodified game from Mojang.
- Plugins — Paper 1.21.5 or Purpur 1.21.5.
- Mods — the loader your mods target: Fabric, NeoForge, Forge, Quilt.