Minecraft 1.21.5 Server Status: Which Software Is Out?
Minecraft 1.21.5 was released on 25 Mar 2025. 13 of 17 server programs tracked here have a 1.21.5 build so far. Updated automatically from each project's API, last check 28 Oct 2026, 12:47 UTC.
| Software | 1.21.5 build | Channel | First seen / date | Previews |
|---|---|---|---|---|
| Vanilla | available | stable | 25 Mar 2025 | — |
| Paper | 114 | experimental | 18 Jun 2025 | — |
| Spigot | 4504 | stable | 17 Jun 2025 | — |
| CraftBukkit | available | stable | 31 Jul 2026 | — |
| Purpur | 2450 | stable | 17 Jun 2025 | — |
| Folia | 12 | experimental | 13 Jun 2025 | — |
| Pufferfish | not yet | — | — | — |
| Leaves | 57 | stable | 1 Jul 2025 | — |
| Leaf | 68 | stable | 1 Jul 2025 | — |
| Fabric | available | stable | 31 Jul 2026 | 15 preview builds |
| Quilt | available | stable | 31 Jul 2026 | 15 preview builds |
| Forge | 55.1.18 | stable | 15 Oct 2026 | — |
| NeoForge | 21.5.101 | stable | 15 Oct 2026 | — |
| SpongeVanilla | 1.21.5-15.0.1-RC2561 | stable | 25 Mar 2025 | 10 preview builds |
| Mohist | not yet | — | — | — |
| Arclight | not yet | — | — | — |
| Magma | not yet | — | — | — |
"Experimental" means the project has published builds but not yet marked one stable — test before moving a live server. Plugins and mods usually need their own updates too. See how to update safely.