Java Edition 20w51a

Not to be confused with 20w15a.

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

Items

 * Bucket of Axolotl
 * Obtained by right-clicking on an axolotl while holding a bucket or 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.
 * Found in bodies of water within lush caves biomes.
 * The first amphibian added to Minecraft.
 * Can be caught in a bucket like fish.
 * Can be tamed by capturing it in a bucket.
 * Come in different colors (leucitic, yellow, brown, white, and purple/pink, and a rare blue Axolotl).
 * Plays dead when damaged, receiving Regeneration. Appears to turn invisible or teleport after this, although the latter may be just a bug or a glitch.
 * 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.
 * Sometimes can give Regeneration to the player who tamed it.
 * Unable to spawn in Survival, only by using their spawn egg.

Gamerules

 * playersSleepingPercentage
 * Controls how many players must sleep to skip the night.
 * When set to 0, 1 player will be sufficient to skip the night.
 * When set over 100, the night will never be skipped.
 * Set to 100% by default.

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 will drop the items it currently has.


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