Bedrock Edition Preview 1.21.120.24

Preview 1.21.120.24
Edition	Bedrock Edition
Release date	October 1, 2025
Server version	1.21.120.24
Editor version	1.1.5
Build version	37440161
Internal version	Windows, Xbox: 1.21.12024.0; Android: 1.21.120.24
Version code	Android:; 952112024 (armeabi-v7a, 35); 962112024 (x86, 35); 972112024 (arm64-v8a, 35); 982112024 (x86_64, 35)
Type	Preview
Preview for	1.21.120
Downloads	Server; Windows; Linux
Protocol version	859

Beta 1.21.120.24 (ChromeOS, Android) or Preview 1.21.120.24 (Windows, iOS, iPadOS, Xbox, PlayStation) is the fifth beta/Preview version for Bedrock Edition 1.21.120, released on October 1, 2025,^[1] which fixes bugs.

Changes

Blocks

Copper Chest

Double copper chest textures' diagonal glint direction now match its single chest counterpart.
Bolts on single and double copper chests are now shaded in the same way.
Double and single copper chests now have consistent shading.
Weathered double copper chest bottom textures are now consistent with other double copper chests.

Water

Water now reduces the light level by one instead of two units per block.

General

Marketplace

Marketplace content can now be searched for using graphics filters for RTX and Vibrant Visuals.

General Settings Screen

Updated the General settings tab with Ore UI.

Storage

Shifted download storage on PlayStation 4 to new location. Players may need to redownload Marketplace content.

Technical

API

ContainerRulesError
- Moved property reason: ContainerRulesErrorReason from beta to v2.3.0.
Moved enum ContainerRulesErrorReason from beta to v2.3.0.
Moved interface ContainerRules from beta to v2.3.0.
Container
- Moved property readonly containerRules?: ContainerRules from beta to v2.3.0.
- Moved property readonly weight: number from beta to v2.3.0.
- Moved property readonly weight: number from beta to v2.3.0.
Moved class ItemInventoryComponent from beta to v2.3.0.

Biome Components

Added underwater_addition, underwater_loop, and underwater_mood fields to minecraft:ambient_sounds. They will be played when the audio listener position is inside of water.
- underwater_addition and addition now take both an asset and chance, the chance determines the chance for the sound to be played.
- Format versions before 1.21.120 will automatically set the underwater versions to the same as the normal ones, and the chance to the previously hardcoded chance of 0.0111.

Blocks

Removed Upcoming Creator Features toggle requirement from the minecraft:redstone_producer component.
Component minecraft:embedded_visual no longer requires the "Upcoming Creator Features" toggle.
Component minecraft:flower_pottable no longer requires the "Upcoming Creator Features" toggle.

Entity Components

Added apply_knockback_to_blocking_targets property to impact_damage in minecraft:projectile.

Mobs

The dophin's bubble particle emissions have been updated and are now emitted through its animation controller.

Experimental

These additions and changes are accessible by enabling the "Beta APIs", "Upcoming Creator Features" and "Experimental Creator Cameras Features" experimental toggle.

Additions

Techincal

API

Added the BlockComponentBlockBreakEvent Custom Component Event to beta. This event is called when a specific block is broken by either the player or other entity, a block (such as fire or water), or from a script or command that removes or destroys the block.
- Added entitySource read-only property. This contains the entity that caused the block's destruction.
- Added blockDestructionSource read-only property. This contains the block that caused the block's destruction.
- Added brokenBlockPermutation read-only property. This contains the block permutation this custom component exists on.
Added the ability for the custom creator camera to move on a spline.
- Added method playAnimation(splineType: CatmullRomSpline LinearSpline, cameraAnimationOptions: AnimationOptions): void to beta to play an animation curve. Only works when used on the minecraft:free camera preset.
- Added class CatmullRomSpline to beta to create catmullrom splines for minecraft:free camera preset.
- Added class LinearSpline to beta to create linearly interpolated splines for minecraft:free camera preset.
- Added interface AnimationOptions to beta for creating and playing a spline on the minecraft:free camera preset.
- Added interface ProgressKeyFrame to beta for setting progress key frames on a spline.
- Added interface RotationKeyFrame to beta for setting rotation key frames on a spline.
- Added interface SplineAnimation to beta for storing spline key frames.

Blocks

Added boolean field alpha_masked_tint to materials in minecraft:material_instances component.
- Defaults to false.
- When true, the alpha channel of the texture will be used to multiply the tint to the albedo of the texture.
- Requires format_version >= 1.21.120
- Requires "Upcoming Creator Features" toggle.
- Requires tint_method other than none.
- Requires render_method to be opaque.

Commands

Added attach_to_entity and detach_from_entity camera commands for minecraft:fixed_boom and minecraft:follow_orbit presets.
- Accessible under the Experimental Creator Cameras experimental toggle.

Fixes

26 issues fixed

From released versions before 1.21.120

MCPE-43953 – Item outlines in some UIs still use old textures.
MCPE-55449 – Golden Apples give 8 Absorption hearts if eaten after Enchanted Golden Apple.
MCPE-79532 – Ambience sounds missing in the nether and water.
MCPE-82082 – Issue with the drowned model.
MCPE-108989 – "score" text component does not accept names containing non-alphanumeric characters.
MCPE-154327 – llama uses pre-texture update chest texture.
MCPE-165390 – Skeleton/Zombie Horse's & Donkey/Mule's saddles and chests are outdated or errors.
MCPE-166776 – The ears of donkeys have a miscoloured top and bottom.
MCPE-169440 – Drowned has an transparent pixels in inner body texture.
MCPE-190339 – Shield loses 2 durability after breaking a block.
MCPE-219845 – Stencil state causes glitches with Vibrant Visuals enabled.
MCPE-220733 – Skeletons with Punch bows can knock players back while blocking with a shield.
MCPE-226433 – Vibrant Visual: Gray Dye and Light Blue Dye have incorrect MERS texture.

From the 1.21.120 development versions

MCPE-227624 – All lantern types, all torches, and end rod no longer have point lights.
MCPE-227839 – Loading into a world and then unfocusing the game window will cause every keybind to stop working.
MCPE-227855 – World templates can no longer be created from the Play menu in the Preview.
MCPE-228169 – Top texture of grass blocks appears pitch black in the Dark Forest biome when Smooth Lighting is disabled.
MCPE-228283 – Vibrant Visuals: The temperature colors of hot and cold biomes have been reversed.
MCPE-228288 – GDK: Switching to another window while loading a world will cause the cursor to stay at the center after the world is loaded.
MCPE-228289 – Pressing 1-9 hotkeys while hovering on an empty inventory or offhand slot does not swap the items.

Other

Fixed missing pixels on copper, iron, gold, and diamond horse armor textures.
Fixed issue that could cause excess critical hit particles to spawn.
Fixed structure block preview GUI misplacing custom blocks.
Fixed an issue where the replacement biomes were not read for client side chunk generation.
Fixed a crash that occurs when selecting Vibrant Visuals panel settings.
Fixed ambient occlusion for custom blocks displayed in HUD.

References

↑ "Minecraft Beta & Preview - 1.21.120.24" – Minecraft Feedback, October 1, 2025.

Navigation

[1] "Minecraft Beta & Preview - 1.21.120.24" – Minecraft Feedback, October 1, 2025.

[1]