We've now released Snapshot 21w05b to fix a couple of critical issues in yesterday's snapshot.
This update can also be found on
Fixed bugs in 21w05b
MC-203813– Copper blocks are named inconsistently MC-213788– The game can randomly freeze MC-213802– Copper is not upgraded correctly from pre-21w05a worlds
Get the Snapshot
Snapshots are available for Minecraft Java Edition. To install the snapshot, open up the Minecraft Launcher and enable snapshots in the "Installations" tab.
Testing versions can corrupt your world, please backup and/or run them in a different folder from your main worlds.
Cross-platform server jar:
What else is new?
If you want to know what else is being added and changed in the Caves & Cliffs update, check out the