Java Edition 20w51a

20w51a is the fifth snapshot for Java Edition 1.17, released on December 16, 2020. It adds axolotls, makes many changes to the sculk sensor and fixes bugs. This is the last snapshot for 2020.

Items

 * Bucket of Axolotl
 * Obtained by right-clicking on an axolotl while holding a water bucket.
 * Axolotl Spawn Egg
 * Added axolotl spawn eggs.

Mobs

 * Axolotl
 * Based on the critically endangered Mexican salamander with the same name in real life.
 * The first amphibian added to Minecraft.
 * Can be caught in a bucket like fish.
 * Can be tamed by capturing it in a bucket of water.
 * Come in different colors (leucitic, yellow, brown, white, and purple/pink, and a rare blue Axolotl).
 * Plays dead when damaged, receiving Regeneration.
 * This regeneration ability is likely based on how real axolotls can regrow lost limbs.
 * Attacks drowned, guardians, elder guardians, and fish, damage not yet official.
 * Can grant the player temporary regeneration and removing any mining fatigue effects when the player kills a mob that the axolotl was attacking or being attacked by.
 * Unable to spawn in Survival, only by using their spawn egg.

Command format

 * Controls how many players must sleep to skip the night.
 * When set to 0, a single player is sufficient to skip the night.
 * When set over 100, the night cannot be skipped.
 * Set to 100% by default.
 * Set to 100% by default.

General

 * Tags
 * Added the item tag.
 * Contains tropical fish and bucket of tropical fish.

Blocks

 * Sculk sensor


 * Some changes have been made to sculk sensors.
 * Eating Start has been removed as an event.
 * Walking on wool no longer causes vibrations.
 * Throwing wool as an Item on the ground no longer causes vibrations.
 * Sculk sensors are now silent while waterlogged.

Items

 * Bundles
 * When destroyed, it drops the items it currently has.


 * Shulker boxes
 * Like bundles, they drop their items when destroyed.