Java Edition 20w16a

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

Blocks

 * Chains
 * Generate in bastion remnants.
 * Crafted using 2 iron nuggets and 1 iron ingot in a vertical line formation.

Items

 * 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 Stable, Housing Units, and Treasure Room.
 * Are the only source of the "pigstep" music disc.
 * 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.

General

 * Tags
 * Added new Tag item tag.
 * Contains all music discs except "pigstep".
 * Used to determine what music discs creepers can drop.

Blocks

 * Chiseled nether bricks
 * Changed the texture of this block; the center now more closely resembles a skeleton or wither skeleton skull.


 * Crying obsidian
 * Can now be found in ruined portals and bastion remnant loot chests, making it obtainable without bartering.


 * Gilded blackstone
 * Can now be found in bastions, making it obtainable in Survival.


 * Jigsaw block
 * 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 $1/4$ of a block.


 * Structure block
 * Expanded the maximum size per axis from 32 to 48.

Items

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

World generation

 * Biomes
 * Increased the amount of lava pools found in basalt deltas.

General

 * Miscellaneous
 * Added a JMX MBean to monitor dedicated server tick times.


 * Tags
 * Changed the item tag to use the   item tag and the pigstep music disc.