Minecraft 1.21 Beta Jun 2026

The centerpiece of the 1.21 update is the new procedurally generated underground structure: the . Built from various Copper and Tuff blocks, these sprawling halls are designed to provide a new, repeatable combat challenge for solo players and small teams alike.

By drinking an Ominous Bottle (obtained from Raid Captains), players can trigger an advanced difficulty mode within the chambers, yielding much rarer rewards. 2. New Mobs minecraft 1.21 beta

Two new mobs added significant variety to the 1.21 combat experience: The centerpiece of the 1