Minecraft:Bedrock Edition Preview 1.21.120.21

Template:Infobox version Beta 1.21.120.21 (ChromeOS, Android) or Preview 1.21.120.21 (Windows, iOS, iPadOS, Xbox, PlayStation) is the second beta/Preview version for Minecraft:Bedrock Edition 1.21.120, released on September 9, 2025,<ref>Template:Cite</ref> which redesigns the Minecraft:game menu, migrates the game installation to GDK on Windows, and fixes some bugs.

Changes

Blocks

Minecraft:Copper lantern and Minecraft:copper torch

• Copper lanterns and copper torches have new textures to make them easier to distinguish from regular Minecraft:lantern and Minecraft:torch.

Minecraft:Glass and Minecraft:glass pane

• Glass blocks and panes will now become slightly transparent if the camera is very close to them.

Mobs

Minecraft:Copper golem

• A copper golem with a flower on its head now drops a Minecraft:poppy when becoming a statue.

General

GDK

• Minecraft Preview for Windows now runs on the latest GDK (Game Development Kit).
  • This update aligns the game with the standard distribution model on Windows platforms.
• File paths have been updated and upon first install load of this version of Minecraft Preview, existing Minecraft worlds and content will shift to: Template:Cd.
• Some players will still receive the UWP version of Minecraft Preview as this slowly rolls out for testing.

File:New UI - Pause Menu (Bedrock Preview 1.21.120.21).png

The redesigned game menu

UI

• The Minecraft:game menu has been updated with a new layout and design.

Technical

AI Goals

• Made the schemas for the Template:Cd, Template:Cd, Template:Cd, and Template:Cd stricter when parsing and will fail to load an entity JSON that has invalid data in versions 1.21.120 and newer.

Minecraft:Blocks

• Custom blocks with textures in the Template:Cd array no longer require the Upcoming Creator Features Minecraft:experiment toggle to work properly.
• The parameter Template:Cd was removed from the Minecraft:water configuration JSON file, and consequently the file has a new format and was upgraded to version 1.21.120.

Experimental

These additions and changes are accessible by enabling the "Beta APIs" and "Render Dragon Features for Creators" Minecraft:experimental toggles.

Additions

Techincal

Minecraft:API

• Added the Template:Cd to Template:Cd.
  • Added Template:Cd read-only property.
  • Added Template:Cd method.
  • Added Template:Cd method.

Changes

Technical

API

• Dimension
  • Removed Template:Cd parameter from Template:Cd in Template:Cd.
• Minecraft:Loot table discovery API now includes information about Loot Item Conditions.

Graphical

• Updated point light tracking to be able to link to custom blocks.

Fixes

Template:Fixes Other

• Weathered copper bars no longer have pixels that look out of place.
• Tilling coarse dirt no longer sometimes tills the block twice converting it directly to farmland.
• Copper golem statues now glow when placed in glow item frames.