Minecraft Java Edition - 1.21.9 Release Candidate 1

Published: September 28, 2025 - View official source

We 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:

Minecraft server jar

Report bugs here:

Minecraft issue tracker!

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.