Minecraft Education 1.21.90/Development versions

This is a list of Minecraft Education 1.21.90 development versions.

Preview 1.21.40.1

1.21.40.1 is the first Preview version of Minecraft Education 1.21.90, released on November 13, 2024, which adds features from Bundles of Bravery.[1]

Additions

Preview 1.21.40.2

1.21.40.2 is the second Preview version of Minecraft Education 1.21.90, released only for Windows on November 27, 2024.​

Preview 1.21.50.1

1.21.50.1 is the third Preview version of Minecraft Education 1.21.90, released on December 17, 2024, for ChromeOS and Android, and December 22 for Windows, which adds features from The Garden Awakens.[2]

Additions

Changes

General

Cloud Storage
  • Support for larger world sizes
  • Lower error rates and better upload and download performance
Multiplayer & Coding
  • Multiplayer sign-in & connecting updated for better reliability
  • Coding infrastructure updated for better stability & performance

Fixes

  • Improvements to performance and product stability.

Preview 1.21.51.0

1.21.51.0 is the fourth Preview version for Minecraft Education 1.21.90, released on January 28, 2025.[3]

Changes

General

  • Improved client stability

Preview 1.21.80.1

1.21.80.1 is the fifth Preview version for Minecraft Education 1.21.90, released on May 7, 2025, which adds features from Spring to Life.[4]

Additions

Changes

Cloud Storage System
  • Now supports larger world sizes
  • Lowered error rates and better upload and download performance
Multiplayer and Coding
  • Coding infrastructure updated for better stability and performance
  • Improved performance and product stability

Fixes

  • Improved client stability.
  • Multiplayer sign-in and connecting updated for better reliability.

Preview 1.21.90.1

1.21.90.1 is the sixth and final Preview version for Minecraft Education 1.21.90, released on June 16, 2025, which adds features from Chase the Skies.[5]

Additions

Changes

Code Builder IDE Changes

  • Tynker has been removed as a supported IDE.
  • In-game notifications were added so everyone is aware of the upcoming changes.

Notes and references

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