All Minecraft 1.21.9 Snapshots, Pre-Releases & RCs
Mojang published 14 development builds before Minecraft 1.21.9, from 29 Jul 2025 to 25 Sep 2025. The final Minecraft 1.21.9 was released on 30 Sep 2025. Every server jar below comes directly from Mojang; the SHA-1 is Mojang's own.
| Version | Released | Java | SHA-1 (server.jar) | Fabric | Changelog |
|---|---|---|---|---|---|
| 1.21.9 Release Candidate 1 | 25 Sep 2025 | 21 | 12b937eebe1a732f9dd1db9ae6443070e1d30045 |
yes | wiki |
| 1.21.9 Pre-Release 4 | 23 Sep 2025 | 21 | b3aeb3c37aee8d24dde8fbcdba090ccc6987f48f |
yes | wiki |
| 1.21.9 Pre-Release 3 | 22 Sep 2025 | 21 | 3ac631d2f5fb8a22591f5fbc9d24c6e44e3dc0da |
yes | wiki |
| 1.21.9 Pre-Release 2 | 19 Sep 2025 | 21 | cd046af3f42191edbcc4870f11e06e95582dbbda |
yes | wiki |
| 1.21.9 Pre-Release 1 | 16 Sep 2025 | 21 | 151da8959852dfbd1b20efbad31645b95cc8ba31 |
yes | wiki |
| Snapshot 25w37a | 9 Sep 2025 | 21 | 9675164bd7a8ec5a876a05ac96637c77e9d82a24 |
yes | wiki |
| Snapshot 25w36b | 2 Sep 2025 | 21 | bb1c647e67a8e17846f7f286d86597a3c3cc47ef |
yes | wiki |
| Snapshot 25w36a | 2 Sep 2025 | 21 | 4d094c84219be8bbe23bcec02e1c016e12717e17 |
yes | wiki |
| Snapshot 25w35a | 26 Aug 2025 | 21 | 7fb6965adce075e4e6b467ca620f59c76c0f1e52 |
yes | wiki |
| Snapshot 25w34b | 19 Aug 2025 | 21 | 29d04ae8f7b701c55de6ca1547cc558409ea5368 |
yes | wiki |
| Snapshot 25w34a | 19 Aug 2025 | 21 | 34b22c38c3e77b96b0b8cda26687f4b2c2a5fb72 |
yes | wiki |
| Snapshot 25w33a | 12 Aug 2025 | 21 | 83027f72aa7957837aeeaef499c67105583d0928 |
yes | wiki |
| Snapshot 25w32a | 5 Aug 2025 | 21 | c98a125ca315cac45bee91a7ecbc4920007ac5ff |
yes | wiki |
| Snapshot 25w31a | 29 Jul 2025 | 21 | b966ccab7666a9f0c8c955f022bda8c778830b99 |
yes | wiki |
Other cycles: 26.4 · 26.3 · 26.2 · 26.1.2 · 26.1.1 · 26.1 · 1.21.11 · 1.21.10 · 1.21.9 · 1.21.8 · 1.21.7 · 1.21.6 · all snapshots