Minecraft Java Edition 1.21.9 Release Candidate 1 changelog
Released 28 September 2025
This is the official changelog from the Minecraft Feedback site, published by Mojang Studios. FoxyNoTail shows it here so every version is easy to find; the text is © Mojang Studios / Microsoft.
Read the original on minecraft.net Last checked 9 Oct 2026We are now releasing the first, and hopefully only, release-candidate for 1.21.9. If all goes well, no further changes will be made before the full release.
Happy mining!
Fixed bugs in 1.21.9 Release Candidate 1
- MC-302243 - Creakings can spawn with the "spawnMonsters" game rule set to false
- MC-302278 - The texture in the middle of conduits is upside down
Get the Release Candidate
Release Candidates are available for Minecraft: Java Edition. To install the Release Candidate, open up the Minecraft Launcher and enable snapshots in the "Installations" tab.
Testing versions can corrupt your world, so please backup and/or run them in a different folder from your main worlds.
Cross-platform server jar:
Report bugs here:
Want to give feedback?
- For any feedback and suggestions, head over to the Feedback site. If you're feeling chatty, join us over at the official Minecraft Discord.
More Java Edition changelogs
- 26.4 Snapshot 3 6 Oct 2026
- 26.4 Snapshot 2 1 Oct 2026
- 26.4 Snapshot 1 22 Sep 2026
- 26.3 Release Candidate 2 11 Sep 2026
- 26.3 Release Candidate 1 10 Sep 2026
- 26.3 Pre-Release 3 8 Sep 2026
- 26.3 Pre-Release 2 4 Sep 2026
- 26.3 Pre-Release 1 1 Sep 2026