{{Infobox version
|edition=Bedrock
|image=Bedrock 1.18.0.21 PatchNotes.jpg
|image2=Bedrock 1.18.0.21.png
|image3=Bedrock 1.18.0.21 Caves & Cliffs.png
|type=Beta
|internal=
'''Windows''': 1.18.21.0<br>
'''Xbox One''': 1.18.21.70<br>
'''Android''': 1.18.0.21<br>
|parent=1.18.0
|date='''Xbox, Windows 10, Android''': October 14, 2021
|prevparent=1.17.41
|prev=beta 1.18.0.20
|next=beta 1.18.0.22
|nextparent=1.18.1
}}<onlyinclude>

'''Beta 1.18.0.21''' is the second beta version for [[Bedrock Edition 1.18.0]], released on October 14, 2021,<ref>{{cite|url=https://feedback.minecraft.net/hc/en-us/articles/4411290325901|title=Minecraft Beta - 1.18.0.21 (Xbox One/Windows 10/Android)|website=feedback.minecraft.net|date=October 14, 2021}}</ref> which makes tweaks to world generation and fixes bugs.

== Additions ==
=== Command format ===
; {{cmd|loot}}
* Added the {{cmd|loot}} command with spawn loot overload.

== Changes ==

=== Blocks ===
; [[Copper Ore]]
* Now drop 2-5 [[Raw Copper]] when mining instead of 2-3.

; [[Stonecutter]]
* [[Block of Copper]] can be converted to 4 Cut Copper using stonecutter.

=== Mobs ===
; [[Axolotl]]s
* Now only spawn in water above [[Clay|clay blocks]] in [[lush caves]].

; [[Cod]], [[Salmon]], [[Pufferfish]], [[Tropical Fish]], [[Squid]], and [[Dolphin]]s
* Now only spawn in water from Y=50 to Y=64.
* Additionally, tropical fishes now also spawn in lush caves at any height.

; [[Glow Squid]]s
* Now only spawn in water blocks under Y=30.

; [[Goat]]s
* No longer spawn in [[Stony Peaks]].

=== World generation ===
; [[Amethyst Geode]]s
* Now only generate up to Y=30.
* Rarity has been increased to match 1.17 levels.

; [[Biome]]s
* Non-cave biomes (e.g. [[Savanna]]s) no longer change with height.
* Tweaked the relative size of some biomes, to match 1.17 a bit closer.
* Increased the average size of most biomes.
* Tweaked frozen biomes blending.

; [[Canyon]]s
* Canyons are now placed on the same height as on pre-1.18 world generation.

; [[Dungeon]]s
* Increased the amount of dungeons, especially below Y=0.

; [[Gravel]]
* Increased the number of [[ore (feature)|ore blob]]s.

; [[Lake]]s
* Water lakes were removed, because [[Aquifer]]s could provide local water levels.

[[File:21w40a approximate ore distribution.jpg|thumb|450px|Ore distribution changes.]]
; [[Ore]] distribution
* [[Copper Ore]] now generates between Y=-16 and Y=112, generating the most at Y=48, and increased the number of ore blobs.
* Added more unexposed [[Diamond]]s.
* Extra gold generates below Y=-48.
* Decreased minimum generation height of the upper range of [[Iron Ore]] from Y=112 to Y=80, and increased the number of ore blobs.

; [[Village]]s
* Now slightly more spread out.

=== General ===
; [[Title Screen|Title screen]]
* Main menu background is changed to reflect [[Caves & Cliffs]]: Part II.
** The new background however is not visible due to the beta resource packs being applied in all beta versions.

== Experimental ==
These additions and changes are accessible by enabling the "Enable GameTest Framework" experimental toggle.

=== Technical ===
; GameTest Framework
* deltaTime
** Added deltaTime read only property to TickEvent which represents the time between the last Level tick in seconds

== Fixes ==
; Caves & Cliffs
* Fixed shifted sub-chunks on Caves & Cliffs flat worlds ({{bug|MCPE-140428}})
* Hoodoos now generate in Eroded Badland biomes again ({{bug|MCPE-141083}})
* Strange pillars no longer generate below Eroded Badland biomes ({{bug|MCPE-141342}})
* Water and Lava springs now correctly generate at the expected frequency
* Fixed issue with Copper Ore hanging mid-air in ravines ({{bug|MCPE-141189}})

; Actors
* Lightning bolts do not have a shadow anymore ({{bug|MCPE-140689}})

; Blocks
* Snow Grass Block and all types of Snow blocks now use similar colors ({{bug|MCPE-57022}})

; Bone Meal
* Nether Sprouts once again generate when using Bone Meal on Warped Nylium ({{bug|MCPE-139672}})

; Gameplay
* Re-entering a Caves & Cliffs world when in a danger zone at a valid negative Y position no longer teleports player to positive Y ({{bug|MCPE-141039}})
* Copper Ore now drops 2-5 (from 2-3) Raw Copper items ({{bug|MCPE-144071}})
* In the Stonecutter, a Block of Copper can be converted to four Cut Copper ({{bug|MCPE-144067}})

; Player
* Fixed player hitbox not resetting after gliding with Elytra ({{bug|MCPE-109925}})
* Fixed player flight with Elytra being cancelled when hitting a wall and taking damage ({{bug|MCPE-54031}})

; Items
* Ender Pearls no longer generate as Glow Sticks in Woodland Mansion chests ({{bug|MCPE-137440}})

; Mobs
* Fixed an issue preventing Tropical Fish from spawning in Lush Caves ({{bug|MCPE-144070}})

; Particles
* Water drips now trigger splash effects

; Technical
* Fixed caching support for subchunk requests where it would sometimes not use the cache
* Fixed a versioning error with animation controllers that was causing the wrong schema to be utilized on marketplace worlds with an animation controller version 1.8.0

; User Interface
* Renamed some occurrences of "level" in the user interface to the more accurate "world"
* When a value for a stepped slider does not correspond to a step it will display at the closest step
* Replaced the missing "Always Day" option in world settings ({{bug|MCPE-137790}})

; Vanilla Parity
* Shield blocking animation now plays smoothly ({{bug|MCPE-125951}})</onlyinclude>

== References ==
{{Reflist}}

== Navigation ==
{{Navbox Bedrock Edition versions|1.1x}}

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