Minecraft:Minecraft Education Preview 1.21.90.1

1.21.90.1 is the sixth and final Preview version for Minecraft:Minecraft Education 1.21.91, released on June 16, 2025, which adds features from the Minecraft:Chase the Skies drop.<ref>Template:Cite</ref>

Additions

• Added features and items from Minecraft:Bedrock Edition 1.21.90, Minecraft:Chase the Skies, except Minecraft:Vibrant Visuals.
• Added Minecraft:Spectator mode from Minecraft:Bedrock Edition 1.19.50.
• Added new Minecraft:superflat changes from Minecraft:Bedrock Edition 1.21.80.
• Added Minecraft:Ore UI for new world screen from Minecraft:Bedrock Edition 1.19.20.
• Added read/write file functionality with MakeCode.

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.