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Minecraft 20w16a
Java Edition 20w16a.png

Java Edition



Release date

April 15, 2020

Snapshot for



Client (.json)

Obfuscation maps


Protocol version


Data version


20w16a is the twelfth snapshot for Java Edition 1.16, released on April 15, 2020,[1] which adds bastion remnants, ruined portals, chains, and a new music disc.



  • Generate in bastion remnants and ruined portals.
  • Crafted using 2 iron nuggets and 1 iron ingot in a vertical line formation.
  • Texture connects to those of the lantern and its soul variant.


Music discs
  • Added the "Pigstep" music disc, composed by Lena Raine.
    • Can only be found in bastion remnants.
    • Has a red disc color instead of black.
    • When played in a jukebox, a redstone comparator output will produce a signal strength of 13.

World generation[]

Bastion remnants
  • Generate in all Nether biomes, except basalt deltas.
  • Four types of structures generate: Bridge, Hoglin Stables, Housing Units, and Treasure Room.
  • Are the only source of the "Pigstep" music disc and piglin banner pattern.
  • Piglins and hoglins spawn here.
  • Spawners that spawn magma cubes can be found in bastion remnants.
Ruined portals
  • Shattered remains of nether portals.
  • Generate in the Overworld and the Nether.
  • Can be buried underground or underwater.
  • A loot chest can be found beside the portal.


  • Added new creeper_drop_music_discs item tag.
    • Contains all music discs except "Pigstep".
    • Used to determine what music discs creepers can drop.



Chiseled nether bricks
  • Changed the texture of this block; the center now more closely resembles a skeleton or wither skeleton skull.
Crying obsidian and Obsidian
Gilded blackstone
  • Can now be found in bastions, making it obtainable in Survival.
Jigsaw blocks
  • Added a button in the GUI that generates a jigsaw structure starting from the jigsaw block, using a given generation depth.
Quartz bricks
  • Changed texture of the block; the bottom row of bricks has been shifted to the right about 14 of a block.
Structure blocks
  • Expanded the maximum size per axis from 32 to 48.


Banner patterns
  • The piglin banner pattern can now be found in bastions, making it obtainable in Survival.

World generation[]





15 issues fixed
From released versions before 1.16
  • MC-37557 – Sometimes a minecart sound plays/subtitle shown when loading a world.
  • MC-91163 – Certain subtitles show up when the player is too far away to hear the sound.
  • MC-99727 – Ghasts can be located using subtitles.
  • MC-154617 – Server hangs on stop due to rcon.
From the 1.16 development versions
  • MC-171020 – New Nether biomes do not work properly in buffet worlds.
  • MC-175288 – Creating a warped forest superflat world with decorations freezes.
  • MC-175919 – Villagers sometimes stop farming.
  • MC-177136 – All compasses and lodestone compasses point to the same target, regardless of what type of compass it is.
  • MC-177238 – Windows symbolic link in saves/ is no longer followed as of 20w14a.
  • MC-177253 – Running a set_attributes function throws java.lang.NullPointerException if it contains an undefined attribute.
  • MC-177316 – Lodestone compass in item frame does not update after turning.
  • MC-177462 – Respawn anchor explodes client side.
From the previous development version
  • MC-177942 – Fortresses do not generate in basalt deltas.
  • MC-177957 – Texture is not correct on the white quartz brick or on the polished quartz brick.
  • MC-178368 – Lodestone compass does not point to its lodestone block when rotated in an item frame.


Video made by slicedlime:


  1. "Minecraft Snapshot 20w16a" – Minecraft.net, April 15, 2020