The Minecraft Bedrock 1.21.50.29 beta is officially out ... be kept in mind that the steps above are valid only for Windows ...

Minecraft: Windows 10 Edition Beta Build anything from makeshift shelters to the grandest of castles! Create and explore your very own world where the only limit is what you can imagine ...

The official Minecraft channel took to X to reveal the news: Happy ghasts, ghastlings, and more are now available for testing in Bedrock Edition preview and beta – coming soon to Java snapshot.