Minecraft Java Edition - 1.21.9 Pre-Release 3

Published: September 22, 2025 - View official source

We'll kick the week off with a third pre-release for the Copper Age Drop. This pre-release includes a performance update and bug fix for the copper golem.

Fixed bugs in 1.21.9 Pre-Release 3

MC-301963 - Copper golems cause huge lag spikes when checking chests
MC-301990 - Copper golem statues cause culling issues when placed above certain blocks

Get the Pre-Release

Pre-Releases are available for Minecraft: Java Edition. To install the Pre-Release, 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.