Minecraft:Bedrock Edition Preview 1.21.120.20

Beta 1.21.120.20 (ChromeOS, Android) or Preview 1.21.120.20 (Windows, iOS, iPadOS, Xbox, PlayStation) is the first beta/Preview version for Minecraft:Bedrock Edition 1.21.120, released on September 3, 2025,<ref>Template:Cite</ref> which fixes some bugs.

Additions

General

Minecraft:Splashes

• Added splash "Music made by Hyper Potions!".

Changes

Blocks

Minecraft:Shelf

• Adding or removing redstone power to or from the shelf now emits vibrations.
  • When a player places/removes/swaps an item on an unpowered shelf, a vibration of frequency 3 is emitted.
  • When a player places/removes an item on a powered shelf, a vibration of frequency 3 is emitted.
  • When a player swaps item with one on a powered shelf, a vibration of frequency 6 is emitted.

General

Camera

• The first person camera will now offset backwards slightly when facing and climbing blocks such as Minecraft:ladders and Minecraft:vines.

Graphical

• Added TAA upscaling to weather effects like snow.
• Improved quality of gamma correction on PC and Consoles.
• Mobs will now become slightly transparent when the camera gets too close or passes through them.

Minecraft:Marketplace

• Starting a world with a missing Marketplace template will now correctly redownload the template and start the world.

UI

• Brightness adjustment was renamed to gamma adjustment in Vibrant Visuals.
• A "Reset to Defaults" button was added to the gamma adjustment screen in Vibrant Visuals.
• The slider widget that controls the Vibrant Visuals gamma value shows the current gamma value, and the center of the slider corresponds to the default value.

Mobs

Minecraft:Chicken Jockey

• The baby zombie riding a chicken now drops the Minecraft:lava chicken music disc when killed by a tamed Minecraft:wolf.

Minecraft:Copper Golem

• Copper golem step and spin sounds now use a natural attenuation curve.

World generation

Minecraft:Structures

• Structures no longer build on top of features (e.g. Minecraft:trees) at chunk borders.

Technical

Minecraft:API

• Optionally set version property to Template:Cd to always choose the latest beta version of the module. Example from Template:Cd:

<syntaxhighlight lang="c++"> "dependencies": [ {

 "module_name": "@minecraft/server",
 "version": "beta"

} </syntaxhighlight>

• Template:Cd's loot generation methods now properly recognize tools enchanted with looting.
• Moved type Template:Cd from Template:Cd into Template:Cd.
• Moved API Template:Cd from Template:Cd into Template:Cd.

Minecraft:Blocks

• Custom blocks using a non-opaque Template:Cd in the Template:Cd component that are placed above water will no longer incorrectly cull the top face of the water block.

Components

• The Template:Cd, Template:Cd, Template:Cd filters now support Template:Cd as an equipment location.

Item Components

• Items with the new Template:Cd item component no longer visually disappear on the client when thrown in fire while persisting on the server, as the property is now synced correctly across both.

Minecraft:Molang

• Added 31 new Molang expressions:
  • Template:Cd, returns the normalized progress between start and end given value.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow and accelerating toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting fast and decelerating toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow, accelerating in the middle, then slowing again at the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow and accelerating strongly toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting fast and decelerating strongly toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow, accelerating strongly in the middle, then slowing again at the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow and accelerating rapidly toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting fast and decelerating rapidly toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow, accelerating rapidly in the middle, then slowing again at the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow and accelerating sharply toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting fast and decelerating sharply toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow, accelerating sharply in the middle, then slowing again at the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow and accelerating smoothly toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting fast and decelerating smoothly toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting and ending slow, with smoother change in the middle.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow and accelerating very rapidly toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting fast and decelerating gradually toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting and ending slow, with very rapid change in the middle.
  • Template:Cd, output goes from start to end via Template:Cd, starting slow and accelerating along a circular curve toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting fast and decelerating along a circular curve toward the end.
  • Template:Cd, output goes from start to end via Template:Cd, starting and ending slow, with circular acceleration and deceleration in the middle.
  • Template:Cd, output goes from start to end via Template:Cd, starting with bounce oscillations and settling into the end.
  • Template:Cd, output goes from start to end via Template:Cd, approaching the end with bounce oscillations that diminish over time.
  • Template:Cd, output goes from start to end via Template:Cd, starting and ending with bounce oscillations, smoother in the middle.
  • Template:Cd, output goes from start to end via Template:Cd, overshooting backward before accelerating into the end.
  • Template:Cd, output goes from start to end via Template:Cd, overshooting past the end before settling into it.
  • Template:Cd, output goes from start to end via Template:Cd, overshooting at both start and end, with smoother change in the middle.
  • Template:Cd, output goes from start to end via Template:Cd, starting with elastic oscillations before accelerating into the end.
  • Template:Cd, output goes from start to end via Template:Cd, overshooting the end with elastic oscillations before settling.
  • Template:Cd, output goes from start to end via Template:Cd, oscillating elastically at both start and end, with stable change in the middle.

Experimental

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

Additions

Technical

API

• Added Template:Cd which can be used to locate the Structures Template:Cd of a given location.
• Added Template:Cd which fires when a Player uses a named NameTag Item on an Entity.
• Added Template:Cd string enum.
• Added method Template:Cd: void; to Template:Cd.
• Added method Template:Cd to Template:Cd.

Blocks

• Allow items referencing a pottable block in their Template:Cd component to be pottable when Template:Cd is true.

Editor

• Added an offset and alignment property to the summon tool so that creators can more easily position entities at specific locations.

Graphical

• Deprecated Template:Cd in favor of a new file and schema, Template:Cd. Creators can still make use of Template:Cd, but are encouraged to migrate to the new schema.
  • Extended per-block local lighting information to include a Template:Cd which can be either Template:Cd or Template:Cd.
    • A block will only be considered for point lighting if its Template:Cd is set to Template:Cd.
    • Template:Cd is currently unused.
  • The Template:Cd property is now optional. If unprovided, the block will use a fallback light color instead.
  • A sample Template:Cd could look like this: Template:Cd: Template:Cd, Template:Cd: Template:Cd: Template:Cd: Template:Cd, Template:Cd: Template:Cd.

Minecraft:Molang

• Added Template:Cd, Template:Cd, and Template:Cd molang query functions to Upcoming Creator Features.
  • These queries only work in resource packs (client-side), and are not supported in behavior packs.
  • Template:Cd takes a list of biome identifiers and checks if any are the specified biome the entity is in.
  • Template:Cd takes a list of biome tags and checks if the biome the entity is in matches any.
  • Template:Cd takes a list of biome tags and checks if the biome the entity is in matches all.

Fixes

Template:Fixes Other

• Fixed an issue with being unable to continue destroying valid blocks in Adventure Mode when they are behind water.
• Fixed loading of text for sign blocks from very old worlds.
• Fixed snowflakes flickering during player movement.
• Fixed the brightness of creeper textures in the gamma calibration screen in Vibrant Visuals.
• Fixed a bug that could cause armor trims to appear applied to untrimmed armor in the inventory.
• Fixed an issue where worlds backed by Xbox cloud storage would show a default tile when local data was present but invalid.
• Fixed Template:Cd not returning the correct graphics mode when a player has switched to Vibrant Visuals.
• Fixed Template:Cd not being correct when switching to Vibrant Visuals.