Bedrock Edition Preview 1.21.120.21

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 Bedrock Edition 1.21.120, released on September 9, 2025,^[1] which redesigns the pause menu and fixes some bugs.

Copper Lantern and Copper Torch

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

Glass and Glass Pane

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

Copper Golem

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

Pause menu

• The pause menu has been updated with a new layout and design.

AI Goals

• Made the schemas for the minecraft:behavior.dig, minecraft:behavior.drink_milk, minecraft:behavior.avoid_block, and minecraft:behavior.avoid_mob_type stricter when parsing and will fail to load an entity JSON that has invalid data in versions 1.21.120 and newer.

Blocks

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

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: %APPDATA%\Minecraft Bedrock Preview.
• Some players will still receive the UWP version of Minecraft Preview as this slowly rolls out for testing.

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

API

• Added the BlockRedstoneProducerComponent to beta.
  • Added power read-only property.
  • Added getStronglyPoweredFace method.
  • Added getConnectedFaces method.

API

• Dimension
  • Removed CompoundBlockVolume parameter from fillBlocks in beta.
• Loot table discovery API now includes information about Loot Item Conditions.

Graphical

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

13 issues fixed

From released versions before 1.21.120

• MCPE-147418 – Shield does not glow in glow item frame.
• MCPE-154318 – Tadpole shadow is too big.
• MCPE-220700 – Vibrant Visuals: Water reflections incorrect with Nausea effect.
• MCPE-221279 – [Vibrant Visuals] Water surface appears noisy and jittery when using packs with water waves enabled.
• MCPE-225213 – Copper golem statue item is offset when dropped.
• MCPE-225669 – Parity Issue: Copper golem statue hitbox is too large.
• MCPE-226081 – Sleeping in a bed after dying shows the death screen for a few ticks.
• MCPE-226332 – Copper chest loses its unique name when the world is reloaded.
• MCPE-226999 – Can't delete miscellaneous in storage.
• MCPE-227208 – Lead does not moves with copper golem head.

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.