Java Edition 21w05a

21w05a is the seventh snapshot for Java Edition 1.17, released on February 3, 2021, which adds lush cave related features and fixes bugs.

Blocks

 * Azalea Bush
 * Plant-like block that can be found in the lush caves.


 * Azalea Leaves
 * Part of a new tree, marking the location of the lush cave.
 * Has variants with either no blossoms, pink blossoms, or purple blossoms.


 * Flowering Azalea Bush
 * A variant of the Azalea bush.


 * Glow Berries
 * Glow berries are a natural light source as well as a food source.
 * Grows on the ceiling of lush caves.


 * Dripleaf
 * Can be found in the lush caves.
 * Allows the player to stay on it for 2 seconds (40 ticks), before the player will fall through it.
 * Sneaking on it prevents this from happening.


 * Hanging Roots
 * Decorative block that generates in the lush caves.


 * Rooted Dirt
 * Decorative block that generates in the lush caves.


 * Moss Block
 * An opaque block with a grass-like texture on all sides.
 * Can be found in lush caves.


 * Moss Carpet
 * Same texture as the moss block, but one pixel thick.
 * Can be crafted with moss blocks.


 * Spore Blossom
 * Can be placed on ceilings.
 * Sends particles downward when opened.
 * This item can be found in the lush caves.

Items

 * Glow Berries
 * Both a natural light source and a food source.
 * Grows on the ceiling of lush caves.

General

 * Tags
 * Added the block tag.
 * Contains the #flowers block tag, the #leaves block tag, grass, ferns, sweet berry bushes, and small dripleaf plants.
 * Added the block tag.
 * Contains the cave vines body block and cave vines head block.
 * Added the block tag.
 * Contains the #base_stone_overworld block tag, the #cave_vines block tag, dirt, gravel, sand, moss block, the #flowers block tag, grass, tall grass, moss carpet, small driplead, big dripleaf, big dripleaf stem, and vines.
 * Added the item tag.
 * Contains sweet berries and glow berries.

Blocks

 * Copper block, Cut Copper Block, and variants
 * The stages are now called "Copper Block", "Exposed Copper Block", "Weathered Copper Block" and "Oxidized Copper Block" to match Bedrock Edition.
 * This also applies to cut copper and its variants.
 * Removed Waxed Oxidized Copper block, as it had no use because it could not change state any further.


 * Powder Snow
 * Can now be pushed and pulled by pistons and sticky pistons.
 * Flaming arrows that collide with powder snow will be extinguished.


 * Sculk Sensor
 * Added the following game events that the Sculk Sensor reacts to, along with corresponding frequency value


 * Stonecutter
 * Can be used to craft the different Copper Block variants.

Mobs

 * Drowned
 * Have a chance of dropping a copper ingot instead of a gold ingot, to match Bedrock Edition.
 * Skeletons
 * Turn into strays when they are inside powder snow.
 * Foxes
 * Eat glow berries.
 * Can now walk over powder snow without sinking.

Gameplay

 * Advancements
 * Glow berries are now required for A Balanced Diet.


 * Is now affected by the randomTickSpeed gamerule.
 * Is now affected by the randomTickSpeed gamerule.