Minecraft:Bedrock Edition Preview 1.21.100.20
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Beta 1.21.100.20 (ChromeOS, Android) or Preview 1.21.100.20 (Windows, iOS, iPadOS, Xbox, PlayStation) is the first beta/Preview version for Minecraft:Bedrock Edition 1.21.100, released on June 10, 2025,<ref>Template:Cite</ref> which fixes bugs and makes some small changes to improve parity with Java Edition.
Additions
General
Accessibility
- Added screen narrator enumeration to UI buttons when adding a new server.
Changes
Command format
- The world spawn can now be set in the End using
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Template:Redr command now requires that the biome's namespace is specified (ex:
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Template:Redr instead of just
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Template:Redr). Auto-complete suggestions for this command will now include namespaces.
Mobs
- The ambient sound interval for all animals has been adjusted to 6 seconds, matching Java Edition.
Ghasts
- The ambient sound interval for all ghasts has been adjusted to 4 seconds, matching Java Edition.
Minecraft:Snowballs, Minecraft:Ender Pearls, Ender Eyes, Experience Bottles, Minecraft:Splash Potions, Minecraft:Lingering Potions, and Minecraft:Ice Bombs
- Their sprites, when rendered in the world, now have the correct scaling and positional offset.
- They now match Java Edition, and also match better with their collider.
General
Template:Message boxTemplate:Article other UI
- "Owned" or "Download" is now displayed on items the player owns outside of the "My Library" page.
- The Marketplace Pass chevron will now show on items that the user owns while on normal Marketplace pages. Not on the inventory. Owned/Download text moved to the right.
- Updated Marketplace Pass chevron to show on items in the inventory.
- Moved the "Owned"/"Download" text to the right side.
Audio Settings Screen
- The audio default volumes have been updated.
- Audio settings have been updated with a brand-new look and improved navigation:
- Each setting now includes a helpful description, making it easier to understand what it does.
- Improved interaction with sliders that are now smoother and more responsive than before.
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World generation
Trees
- Trees now generate more sparsely in groves.
- Trees now generate more frequently in snowy plains.
Frozen Ocean
- Its surface is no longer entirely covered by ice, and now features patches of open water.
- Icebergs in frozen ocean biomes now generate with a shape and frequency that more closely matches Java Edition.
Deep Frozen Ocean
- Its surface is no longer covered by ice and now consists entirely of open water.
Old Growth Spruce Taiga and Minecraft:Old Growth Pine Taiga
- Increased the size of the Minecraft:podzol patches generated beneath mega pines and mega spruces.
- This change affects both world generation and trees grown by players.
- Mushrooms now properly generate under trees in swamps and other biomes where they naturally generate.
- Seagrass no longer pokes through Minecraft:ice when it generates in shallow Minecraft:water in biomes that have ice on the water's surface.
Technical
Add-Ons and Script Engine
- Custom biome names are no longer implied by their filenames. Biome names are explicitly specified via the
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Template:Redr property under the
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Template:Redr sub-object of their JSON definition.
- Biome identifiers must now be namespaced (ex:
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Template:Redr). Client biomes with a format version lower than 1.21.90 will have their identifier automatically prefixed
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Template:Redr when loaded if no namespace is already specified.
- Updated biome documentation to match updated biome JSON formatting and requirements.
API
- The
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Template:Redr parameter of the
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Template:Redr method on
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Template:Redr no longer accepts a
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Template:Redr as an option. This option was redundant as it is covered by the existing
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Template:Redr option. This affects the
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Template:Redr method in all versions.
- Updated many error strings to use consistent punctuation.
- The properties
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Template:Redr and
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Template:Redr on the
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Template:Redr class are now optional.
- Updated several APIs to throw
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Template:Redr instead of
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Template:Redr where appropriate. This affects the following APIs in all versions:
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Template:Redr for when the
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Template:Redr setting is out of bounds (0 - 255) or
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Template:Redr setting is out of bounds (1 - 20000000).
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Template:Redr for when the
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Template:Redr parameter is out of bounds (-1000 - 1000 per axis).
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Template:Redr and
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Template:Redr for when the
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Template:Redr parameter is out of bounds (0 - 100 max lines, 0 - 1000 max length per line).
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Template:Redr and
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Template:Redr for when the
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Template:Redr parameter is out of bounds (0 - 255).
- Some existing errors that throw
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Template:Redr have been updated to use a standardized error message. This affects the following APIs in all versions:
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Template:Redr for when the
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Template:Redr settings are out of bounds (min value of 0).
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Template:Redr for when the
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Template:Redr setting is out of bounds (0 - 1).
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Template:Redr for when the
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Template:Redr setting is out of bounds (10 - 90) or
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Template:Redr setting is out of bounds (1 - 16).
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Template:Redr and
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Template:Redr for when the
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Template:Redr parameter length is out of bounds (0 - 255).
- Some existing errors that throw
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Template:Redr have been updated to use a standardized error message.
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Template:Redr for when the
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Template:Redr parameter is empty or a duplicate.
- Released
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Block Components
- Modified
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Template:Redr block component.
- Field
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Template:Redr no longer requires "Upcoming Creator Features" experiment to work, Json
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Template:Redr still needs to be >=
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Components
- Content warnings will log missing entity references in
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Template:Redr JSON.
- Content warnings will log missing references in
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Template:Redr JSON.
- The
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Template:Redr component has been renamed to
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Entity Components
- Made the schema for the
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Template:Redr entity component stricter so that the parsing now refuses out of range values for
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Template:Redr and
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Graphical
- Changed cloud quality to player visible option and not a dev only option.
Jigsaw
- Added
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Template:Redr and
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Template:Redr rules to jigsaw processors.
- Added heightmap projection type
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Template:Redr and made it the default setting, which instead of performing heightmap calculations uses the starting placement position.
Experimental
These additions and changes are accessible by enabling the "Beta APIs", "Experimental Creator Camera", and "Custom Biomes" experimental toggles.
Additions
Technical
API
- Added class
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- Added the
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Template:Redr keyword to the
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Template:Redr command for changing the camera's field of view. Enabled with the Experimental Creator Camera toggle.
Scripting
- Added support for text to speech for tooltips at Server-UI forms.
UI
- Added support for navigation using keyboard and gamepad for tooltips at settings. Also, to be showed always inside the visible area. Mobile resolutions were having issues with this.
Changes
Technical
API
- Moved class
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Template:Redr from
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- Moved class
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Template:Redr from
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- Moved class
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Template:Redr from
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- Moved class
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Template:Redr from
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- Moved interface
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Template:Redr from
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- Moved interface
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Template:Redr from
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- Moved enum
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Template:Redr from
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- Class
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- Field
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Template:Redr added bound validation, numbers inside the array must be between 0 and 8.
- Class
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- Field
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Template:Redr added bound validation, numbers inside the array must be positive.
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- Bundle UI now renders non-contiguous items added to the container with this API correctly.
Experimental
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Template:Redr command (and similar structure-searching gameplay elements) will now quickly return no result if experimental Custom Biomes have replaced all of the biomes where that structure could appear.
Jigsaw
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Template:Redr now parses horizontal and vertical values separately in an object while supporting horizontal only with parsing as a constant, the vertical value is now optional and defaults to having no limit.
World generation
- Mixing Terrain matching and Rigid Structures will no longer sink rigid structure 1 block.
- Chunks will no longer infinitely load when multiple structures are used within a structure set.
- Can now use
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Template:Redr jigsaw template pools to represent empty elements.
Fixes
Template:Fixes Other
- Emoting players will no longer get stuck in a boat.
- Fixed a bug where caustics were not appearing for player hand and held items in first person view.
- Fixed the spyglass and fire effects in first person not receiving gamma calibration in Vibrant Visuals.
- Fixed a bug that caused bottle o' enchanting not to glow when thrown in Vibrant Visuals.
- Fixed clusters of mangrove root blocks displaying a non-uniform color.
- Fixed chain blocks not being rendered with PBR properties defined by the texture set.
- Fixed an issue that caused chain blocks to change PBR properties of surrounding blocks.
- Fixed a bug where glow squid would not act as leash anchor points.
- Fixed a bug that caused happy ghast to not rotate properly if dismounted while moving vertically.
- Fixed rare crashes during the app suspension on Xbox.
- Player dots on the locator bar now move smoothly when strafing near other players.
- Player dot on the Locator Bar now stops 1 pixel before the edge of the bar.
- Fixed a bug which could cause the bed screen to not be removed properly when being disconnected from a server.
- Fixed a bug where the
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Template:Redr property on
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Template:Redr would not correctly result in hits on liquids if it didn't also reach a solid block afterward.
- Fixed a crash with the
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Template:Redr when used too early in the client joining a world (such as inside the
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Template:Redr event).
- Fixed assert "can't add a new vertex field at this point: COLOR" when loading some worlds that contained clusters of mangrove roots blocks.
- Fixed assert "can't add a new vertex field at this point: TEXCOORD_4" when loading some worlds that contained chain or end portal blocks.
- Fixed an issue where projectiles were shot in the wrong direction when using touch controls and custom cameras.
References
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de:Bedrock Edition beta 1.21.100.20 pt:Edição Bedrock Preview 1.21.100.20 ru:Preview 1.21.100.20 (Bedrock Edition) uk:Preview 1.21.100.20 (Bedrock Edition) zh:基岩版1.21.100.20