Minecraft 1.21 Beta May 2026

Server owners should prepare for increased player activity in newly generated chunks. Beta testers are advised to back up worlds due to structure generation changes. Full release is stable enough for survival playthroughs as of the final release candidate. Prepared by: Minecraft Update Analysis Team Sources: Official Mojang changelogs, beta patch notes (v1.21.0.20–1.21.0.24), community testing feedback.