As with any beta version, there are some known issues in Minecraft 1.21 beta, including:

The Minecraft 1.21 beta is available for players who have opted-in to receive beta updates. To install the beta version, players need to:

The Minecraft 1.21 beta is a significant update that brings numerous changes, new features, and improvements to the game. This beta version is intended for testing purposes, allowing players to experience the new content and provide feedback to the developers.