We're now releasing the first (and hopefully only) release candidate for Caves & Cliffs: Part I. If there are no major issues following this release, no further changes will be done before the full release. 

Happy mining!

Update: We've now released a second release candidate.

The Caves & Cliffs Preview

Download the latest datapack.

Fixed bugs in 1.17 Release Candidate 2

• Fixed a few critical issues

Fixed bugs in 1.17 Release Candidate 1

• MC-227323 - Custom player heads sometimes flash when placed on armor stands
• Improved desync issues when exiting a boat over a high latency connection
• Fixed crashes

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.

Release candidates can corrupt your world, so please make a 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?

• Head over to our feedback website or come chat with us about it on the official Minecraft Discord.