Minecraft 1.21.6 Server Status: Which Software Is Out?
Minecraft 1.21.6 was released on 17 Jun 2025. 11 of 17 server programs tracked here have a 1.21.6 build so far. Updated automatically from each project's API, last check 28 Oct 2026, 12:47 UTC.
| Software | 1.21.6 build | Channel | First seen / date | Previews |
|---|---|---|---|---|
| Vanilla | available | stable | 17 Jun 2025 | — |
| Paper | 48 | stable | 30 Jun 2025 | — |
| Spigot | 4518 | stable | 30 Jun 2025 | — |
| CraftBukkit | not yet | — | — | — |
| Purpur | 2465 | stable | 30 Jun 2025 | — |
| Folia | 6 | stable | 29 Jun 2025 | — |
| Pufferfish | not yet | — | — | — |
| Leaves | not yet | — | — | — |
| Leaf | 29 | stable | 21 Jul 2025 | — |
| Fabric | available | stable | 31 Jul 2026 | 13 preview builds |
| Quilt | available | stable | 31 Jul 2026 | 13 preview builds |
| Forge | 56.0.9 | stable | 25 Jun 2025 | — |
| NeoForge | 21.6.20-beta | experimental | 26 Jun 2025 | — |
| SpongeVanilla | 1.21.6-16.0.0-RC2237 | stable | 17 Jun 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.