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{{Infobox version
|title=Minecraft 20w15a
|image=20w15a.jpg
|image2=Java Edition 20w15a.png
|edition=Java
|type=Snapshot
|date=April 8, 2020
|clienthash=53585ce8bf64f921feb5090a7facd04995ffc739
|jsonhash=2602af061aa1550e0ca256f1400aecd3b8cb74cc
|serverhash=64ca02e1e9fc7e60eac4aba788580b16eb12f71f
|clientmap=7e3aa1a2521977c124db21bd5a6a16a0faa4a624
|servermap=d022b4b6abecee06af893dcf1b1d95b06573a867
|parent=1.16
|prevparent=1.15.2
|prev=20w14a
|next=20w16a
|nextparent=1.16.1
}}<onlyinclude>

'''20w15a''' is the eleventh [[Minecraft:snapshot]] for [[Minecraft:Java Edition 1.16]], released on April 8, 2020,<ref name="20w15a">{{snap|20w15a|April 8, 2020}}</ref> which adds a new Nether biome, new music tracks, new blocks, and other changes and fixes.

== Additions ==
=== Blocks ===
'''[[File:Blackstone JE1 BE1.png|32px]] [[Minecraft:Blackstone]]'''
* Generates in basalt deltas.
* Can be used in place of cobblestone to craft furnaces and stone tools.
* Has a slab, stair, and wall variant.

'''{{Animate|Blackstone Slab JE1.png; Blackstone Stairs (N) JE1.png; Blackstone Wall (ewU) JE1.png|32px}} [[Minecraft:Blackstone slab]], [[Minecraft:blackstone stairs]], [[Minecraft:blackstone wall]]'''
* Decorative blocks crafted from blackstone.

'''[[File:Polished Blackstone JE1 BE1.png|32px]] [[Minecraft:Polished blackstone]]'''
* Crafted with 4 blackstone.
* Has a chiseled, slab, stair, and wall variant.
* Can be crafted into buttons and pressure plates.

'''{{Animate|Polished Blackstone Slab JE1 BE1.png; Polished Blackstone Stairs (N) JE1 BE1.png; Polished Blackstone Wall (ewU) JE1.png|32px}} [[Minecraft:Polished blackstone slab]], [[Minecraft:polished blackstone stairs]], and [[Minecraft:polished blackstone wall]]'''
* Decorative blocks crafted from polished blackstone.

'''[[File:Polished Blackstone Bricks JE1 BE1.png|32px]] [[Minecraft:Polished blackstone bricks]]'''
* Crafted with 4 polished blackstone.
* Has a cracked, slab, stair, and wall variant.

'''{{Animate|Polished Blackstone Brick Slab JE1 BE1.png; Polished Blackstone Brick Stairs (N) JE1 BE1.png; Polished Blackstone Brick Wall (ewU) JE1.png|32px}} [[Minecraft:Polished blackstone brick slab]], [[Minecraft:polished blackstone brick stairs]], [[Minecraft:polished blackstone brick wall]]'''
* Decorative blocks crafted from polished blackstone bricks.

'''{{Animate|Polished Blackstone Button JE1 BE1.png; Polished Blackstone Pressure Plate JE1 BE1.png|32px}} [[Minecraft:Polished blackstone button]] and [[Minecraft:polished blackstone pressure plate]]'''
* Redstone blocks crafted from polished blackstone.
* Work like their stone counterparts.

'''[[File:Chiseled Nether Bricks JE1 BE1.png|32px]] [[Minecraft:Chiseled Nether bricks]]'''
* New variant of [[Minecraft:Nether bricks]].
* Crafted from 2 Nether brick slabs.

'''[[File:Chiseled Polished Blackstone JE1 BE1.png|32px]] [[Minecraft:Chiseled polished blackstone]]'''
* Decorative block crafted from polished blackstone.

'''[[File:Cracked Nether Bricks JE1 BE1.png|32px]] [[Minecraft:Cracked Nether bricks]]'''
* New variant of Nether bricks.
* Obtained by smelting Nether bricks in a furnace.

'''[[File:Cracked Polished Blackstone Bricks JE1 BE1.png|32px]] [[Minecraft:Cracked polished blackstone bricks]]'''
* Decorative blocks crafted from polished blackstone.

'''[[File:Gilded Blackstone JE1 BE1.png|32px]] [[Minecraft:Gilded blackstone]]'''
* Has a chance of dropping 2–5 [[Minecraft:gold nugget]]s (increased with Fortune), or it drops itself instead.
* Currently only available via the Creative inventory or by using commands.

'''[[File:Quartz Bricks JE1 BE1.png|32px]] [[Minecraft:Quartz bricks]]'''
* A decorative block crafted from 4 [[Minecraft:blocks of quartz]].

'''[[File:Soul Campfire JE1 BE1.gif|32px]] [[Minecraft:Soul campfire]]'''
* Has a blue flame instead of orange.
* Has a light level of 10.
* Does the same amount of damage as a regular campfire.
* Crafted with soul sand or soul soil instead of coal.
* Piglins are repelled by soul campfires.

=== Items ===
'''[[File:Snout banner pattern.png|16px]] [[Minecraft:Piglin banner pattern]]'''
* New pattern for banners, the "Piglin".
* Used in the [[Minecraft:loom]] to apply the piglin pattern to the banner.
* Currently unobtainable in Survival mode.

=== World generation ===
'''[[Minecraft:Biome]]s'''
* {{BiomeLink|Basalt deltas}}
** A volcanic biome in the Nether. Fog effects have flakes of volcanic ash.
** Filled with pillars of [[Minecraft:basalt]] and large areas of [[Minecraft:blackstone]].
** [[Minecraft:Ghast]]s, [[Minecraft:magma cube]]s, and [[Minecraft:strider]]s spawn in this biome.

=== General ===
'''Accessibility'''
* Chat line spacing can now be adjusted.
* A chat delay can be set between 0 (default) and 6 seconds.

'''[[Minecraft:Music]]'''
* Added 3 new soundtracks to [[Minecraft:the Nether]], composed by Lena Raine: "Rubedo", "Chrysopoeia" and "So Below."
** "Rubedo" plays in the [[Minecraft:Nether wastes]] biome.
** "Chrysopoeia" plays in the [[Minecraft:crimson forest]] biome.
** "So Below" plays in the [[Minecraft:soul sand valley]] and [[Minecraft:basalt deltas]] biomes.

'''Sound'''
* Added 31 [[Minecraft:ambient]] sounds for the basalt deltas.

'''[[Minecraft:Tag]]s'''
* Added <code>campfires</code> block tag.
** Contains campfires and soul campfires.
** [[Minecraft:Bee]]s, [[Minecraft:parrot]]s, and [[Minecraft:turtle]]s view blocks in this tag as dealing fire damage, and pathfind accordingly.
** Campfires use this tag to determine if they are lit or not.
** Flint and steel uses this tag to determine if it can light campfires.
* Added <code>guarded_by_piglins</code> block tag.
** Contains container blocks ([[Minecraft:chest]]s, [[Minecraft:trapped chest]]s, [[Minecraft:ender chest]]s, [[Minecraft:barrel]]s, the <code>[[Minecraft:Tag#blocks shulker_boxes|shulker_boxes]]</code> block tag) and gold blocks ([[Minecraft:blocks of gold]], [[Minecraft:gilded blackstone]], and the <code>[[Minecraft:Tag#blocks gold_ores|gold_ores]]</code> block tag).
** [[Minecraft:Piglin]]s become hostile toward a player that destroys or use a block in this tag.
* Added <code>furnace_materials</code> item tag.
** Contains [[Minecraft:cobblestone]] and [[Minecraft:blackstone]].
** Items in this tag can be used to craft furnaces and unlock the recipe in the recipe book.
* Added <code>stone_tool_materials</code> item tag.
** Contains cobblestone and blackstone.
** Items in this tag can be used to craft stone tools and unlock the recipes in the recipe book.
* Added <code>soul_fire_base_blocks</code> item tag.
** Parallels the block tag.
** Contains [[Minecraft:soul sand]] and [[Minecraft:soul soil]].
** Items in this tag can be used to craft [[Minecraft:soul fire torch]]es and [[Minecraft:soul campfire]]s and unlock the recipes in the recipe book.

== Changes ==
=== Blocks ===
'''[[Minecraft:Dispenser]]s'''
* Can now saddle [[Minecraft:pig]]s, [[Minecraft:strider]]s, and tamed [[Minecraft:horse]]s, [[Minecraft:donkey]]s and [[Minecraft:mule]]s.
* Can now put [[Minecraft:horse armor]] on tamed horses.
* Can now put [[Minecraft:carpet]]s on tamed [[Minecraft:llama]]s.
* Can now put [[Minecraft:chest]]s on tamed llamas, donkeys, and mules.
* Can now shear [[Minecraft:mooshroom]]s and [[Minecraft:snow golem]]s.

'''[[Minecraft:Furnace]]s'''
* Can now be crafted with [[Minecraft:blackstone]].

'''[[Minecraft:Soul fire torch]]es'''
* Can now also be crafted with [[Minecraft:soul sand]].

'''[[Minecraft:Wall]]s'''
* Now connect to the bottom and sides of [[Minecraft:glass pane]]s and [[Minecraft:iron bars]].
* Now connect to the bottom of [[Minecraft:sea pickle]]s.

=== Items ===
'''Stone [[Minecraft:axe]]s, [[Minecraft:hoe]]s, [[Minecraft:pickaxe]]s, [[Minecraft:shovel]]s, and [[Minecraft:sword]]s'''
* Can now be crafted with blackstone.

'''[[Minecraft:Hoe]]s'''
* Are now the default tool for mining [[Minecraft:leaves]].
** [[Minecraft:Shears]] are still used for ''collecting'' leaf blocks.

'''[[Minecraft:Nether fungus]], [[Minecraft:Nether sprouts]], [[Minecraft:crimson roots]], [[Minecraft:warped roots]], [[Minecraft:Nether wart]], [[Minecraft:Nether wart block]]s, [[Minecraft:warped wart block]]s, [[Minecraft:twisting vines]], and [[Minecraft:weeping vines]]'''
* Can now be composted.

=== Mobs ===
'''General'''
* Mobs now avoid walking on [[Minecraft:magma block]]s and lit [[Minecraft:campfire]]s.

'''[[Minecraft:Hoglin]]s'''
* Baby hoglins no longer drop loot (but still drop [[Minecraft:experience]]).

'''[[Minecraft:Magma cube]]s'''
* Spawn commonly in basalt deltas.

'''[[Minecraft:Piglin]]s'''
* Now avoid soul campfires.
* Now become hostile toward any player that breaks a chest, trapped chest, ender chest, barrel, gold ore, Nether gold ore, gilded blackstone, or a gold block.

'''[[Minecraft:Strider]]s'''
* Now turn blueish-purple outside of lava.
** When outside lava, their facial expression becomes a more prominent frown.
* Can now only spawn if the block above the lava is air.
* Baby striders ride on top of bigger striders.

'''[[Minecraft:Zoglin]]s'''
* Are now considered [[Minecraft:undead]].

=== General ===
'''[[Minecraft:Tag]]s'''
* Added polished blackstone, and (where applicable) blackstone blocks and items to the {{cd|buttons|slabs|stairs|walls|d=and}} block and item tags.
* Added soul campfires to the <code>piglin_repellents</code> block tag.
* Added the <code>[[Minecraft:Tag#blocks signs|#signs]]</code> block tag and removed lanterns and soul fire lanterns from the <code>wall_post_override</code> block tag.

=== Textures ===
'''[[Minecraft:Strider]]'''
* Changed strider texture from [[File:Strider Texture JE1.png|128px]] to [[File:Strider Texture JE2.png|64px]] to remove an unused fin. The fin itself was not vieweable in-game.

== Fixes ==
{{Fixes|fixedin=20w15a
|;old
|105292|{{cd|falling_block}} lighting inconsistency with Smooth Lighting on.
|111493|Fireworks do not cause knockback to either the player or mobs.
|166358|Inconsistency with sounds of dispensers using shears.
|172517|Walls don't behave normally when next to soul sand.
|178029|Chunks get scrambled by logging in twice on solo world.
|;dev
|171273|Fungi and roots (both crimson and warped) as well as weeping vines, twisting vines and warped wart blocks, etc. can't be composted
|171463|Iron bars do not fully connect to walls.
|172120|Hoglins do not try to avoid fire.
|172226|Baby animals, villagers, and zombie villagers spawned with a spawn egg on an adult entity always are of the same variant.
|172250|Piglin and zombified piglin model does not use textures for left arm or leg.
|172268|Bartering with a piglin by right-clicking does not display a hand animation.
|174542|Killing baby hoglins drops leather and porkchop.
|174559|Baby hoglins/zoglins uses the same attack damage as an adult when spawned in some cases.
|175030|Curse of Binding does not affect piglins.
|175169|Respawn anchor can create ghost blocks when it explodes.
|175176|Using return portal in the End softlocks the game if {{cmd|spawnpoint}} was used in the End.
|175256|Screen is overlaid with a gray opaque texture when inside of a transparent block.
|175274|"Quartz pillar" is translated as "White wool" ("Lana blanca" instead of "Pilar de cuarzo") in Spanish (Spain).
|175348|Respawn anchor explosion knocks back flying creative players.
|175356|Piglins and hoglins do not avoid magma blocks.
|175402|Soul fire torches cannot be crafted with soul sand.
|175452|Respawn anchor can be used infinitely if right clicked above world build limit.
|175538|Fish/swimming sounds are louder than they should be.
|175566|Piglins with full inventories drop the items they receive.
|176095|Striders have an unused fin in the {{mono|strider.png}} texture file.
|176384|{{nbt|compound|CompassItem}} checks twice if the {{nbt|compound|LodestonePos}} tag exists.
|176517|Striders spawn in underground lava pockets.
|176633|Lime carpets are named "acacia slab" in Spanish (Spain).
|177069|Dispenser will not drop glowstone as item when not connected to a respawn anchor.
|;prev
|177081|Zoglins are attacked by the wither.
|177085|Missing UUID field in attributes crash the game.
|177102|Zoglins are not considered an undead mob.
|177225|Tag {{cd|minecraft:water}} used before it was bound.
}}</onlyinclude>

== Videos ==
{{slicedlime|-mfiua5M6qg}}

== Trivia ==
* The word "[[Minecraft:wikipedia:wikt:rubedo|Rubedo]]" is Latin for "redness", it was adopted by alchemists to refer to the final stage of creating the philosopher's stone, it is also likely associated with the red-colored environment of the Nether.
* The word "[[Minecraft:wikipedia:Chrysopoeia|Chrysopoeia]]" is an alchemical term that describes the creation of the philosopher's stone, or the transmutation of a given object into gold.

== References ==
{{Reflist}}

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

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Minecraft:Java Edition 20w15a - Revision history

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