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Bedrock Preview 26.70.21

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Bedrock Preview 26.70.21 is the second preview build for 26.70, released on October 20, 2026. It adds new features for Drop 4 of 2026 and brings gameplay changes, technical updates, and fixes. Experimental updates are listed separately below.

Additions

Blocks

Packed Ice Bricks Packed Ice Bricks

  • Packed ice bricks can be crafted from 2x2 packed ice.
  • Packed ice bricks have a slab, stairs, wall, and chiseled variant.
  • Packed ice bricks slabs, stairs, walls, as well as chiseled packed ice can also be crafted using a stonecutter.

Music Features Add-On

Disc Press Disc Press

  • A craftable block that can be used to create track discs.
Ingredients
Crafting Recipe
Copper Ingot +
Blank Disc +
Crafting Table +
Cobblestone
Copper IngotBlank DiscCopper IngotCopper IngotCrafting TableCopper IngotCobblestoneCobblestoneCobblestone Disc Press
  • A player can open its GUI by using it. Here, players can input a blank disc and a dye, then select a music track, to create a music disc with that music track.
    • Dyes are not required, they add color to the track disc.
    • Available music tracks are menu screen tracks from C418 and fingerspit.

Items

Blank Disc Blank Disc

  • A craftable item, used in a disc press to make track discs, and to craft disc presses and pocket jukeboxes. Has no use on its own.
Ingredients
Crafting Recipe
Glass Pane +
Paper
Glass PaneGlass PanePaperGlass PaneGlass Pane Blank Disc

Pocket Jukebox Pocket Jukebox

  • A craftable item that can play music from track discs in the player's inventory.
Ingredients
Crafting Recipe
Copper Nugget+
Bundle +
Blank Disc
Copper NuggetGlass PaneCopper NuggetCopper NuggetBundleCopper NuggetCopper NuggetCopper NuggetCopper Nugget Pocket Jukebox
  • The color of the item matches with the bundle; there are 16 color variants plus one undyed.
  • Its GUI functions similarly to a bundle. It can hold 20 track discs at once.
  • When the player uses it, it will start playing the first track. When the player uses it again, it pauses, after which it can be resumed.
    • Music played from a pocket jukebox will be played client-side, muting background music.
    • Multiple tracks are played subsequently as a playlist.
    • The music finishes when the pocket jukebox is no longer in the player's inventory, or the playing track disc is taken out of the pocket jukebox.
  • Can be held in the offhand, but not used when doing so.

Track Disc White Track Disc

  • A track disc item is produced upon using a blank disc in a disc press. It can hold one music track, and can be played in a jukebox or pocket jukebox.
  • There are 16 color variants plus one undyed.

Changes

Blocks

Ice Ice

  • Added ambient sounds for ice.
    • When an ice block is surrounded by at least 8 ice blocks in all horizontal directions (east, west, north, and south), with one air block above and one water block below, it has a chance to emit a sound.

Packed IceBlue IceFrosted Ice Packed Ice, Blue Ice, and Frosted Ice

  • Added unique block sounds.

Enchantments

Frost Walker

  • Water now freezes in a circular area around the wearer, removing directional bias from the ice trail.
  • Water now freezes only while the wearer is on the ground, preventing fatal fall damage caused by frosted ice forming beneath them while diving into water.

Items

Ice Ball Ice Ball

  • Increased ice ball base damage to 2, with damage decreasing as it loses velocity.
  • Wither skeletons can now pick up ice balls.

Mobs

Evoker Evoker

  • Damage dealt to players by evoker fangs now scales with difficulty, matching Java Edition.

Elder GuardianGuardian Elder Guardian and Guardian

  • Increased guardian base attack damage from 5 to 6 and elder guardian base attack damage from 5 to 8, matching Java Edition.

Frostbite Frostbite

  • Now hold shields in the same position as zombies.
  • No longer spawn naturally underground outside the ice caves biome.
  • Added closed captions for when frostbites convert to zombies and vice versa.

Polar Bear Polar Bear

  • Can no longer spawn on brittle ice.

World Generation

Biome Sprite - Ice Caves Ice Caves

  • Players can now fall into ice caves beneath crevasses when brittle ice breaks.
  • Crevasses now generate at a more consistent density in ice caves with different ceiling heights.
  • Animals now spawn as their cold variants when using spawn eggs in ice caves.

Gameplay

Breaking

  • Mining Fatigue now reduces mining speed by the same amount as in Java Edition.
  • Haste and Conduit Power now increase mining speed by the same amount as in Java Edition.

General

Graphical

  • Skulls and chests now face the player in first person and away from the player in third person view.
  • Shields, crossbows, spears and spyglasses animate correctly in first person view when selected.
  • Disabled block light quality options "High" and "Ultra" if they are unsupported, and added a notice explaining why.

Music

  • Ambient music is now muted when players return within range of a playing jukebox after leaving its broadcast range.

UI

  • Improved loading time of player profile overview tab.
  • The freezing screen overlay no longer lingers after respawning when a player dies with the Freezing effect.
  • The health bar now updates correctly when a totem of undying activates.
  • Splash potions, lingering potions, and XP bottles now display the correct captions when breaking.
  • Wind charges now display the correct captions when thrown.
  • Deferred and limited background server status requests to reduce delays during sign-in and menu loading.
  • External link buttons in settings now properly animate before opening in the browser on all platforms.

Technical

API

  • Added the BlockSearchOptions interface for Dimension.getBlockAbove and Dimension.getBlockBelow, replacing BlockRaycastOptions. Existing fields and whole-block search behavior are unchanged; existing option objects still work.
  • Raycast maxDistance values outside -2147483648 to 2147483647 now throw PropertyOutOfBoundsError before truncation.
  • Released PrimitiveShape properties hiddenFrom and defaultVisibleToAll from beta to v2.12.0.
  • Released block point-of-interest APIs from beta to v2.12.0.
  • ItemBlockDynamicPropertiesComponent and ItemBlockEntityStorageComponent may no longer be accessed on Vanilla items.
  • Renamed the item component minecraft:block_actor_dynamic_properties to minecraft:block_dynamic_properties.
  • @minecraft/server-ui
    • Released MessageBoxOptions and the optional MessageBox constructor options parameter to stable version 2.4.0, including showHorizontalButtons for horizontal button layouts.
    • Released CustomForm.multiButtonRow, ButtonData, and MultiButtonRowOptions to stable version 2.4.0.
  • server-ui
    • Released version 2.4.0 of @minecraft/server-ui.
    • Added 2.5.0-beta of @minecraft/server-ui.

Block Components

  • Modified minecraft:destructible_by_mining component renamed seconds_to_destroy field to base_time_to_destroy.

Entity Components

  • minecraft:projectile
    • Added scale_damage_with_difficulty to on_hit.impact_damage for entity format versions 1.26.70 and later, controlling whether impact damage dealt to players by mob-fired projectiles scales with world difficulty.
    • scale_damage_with_difficulty defaults to true; set it to false to disable difficulty scaling. Entities using earlier format versions retain their previous behavior with difficulty scaling disabled.

Mobs

  • Internal only Vex goals are no longer listed in legacy goal documentation.