Java Edition 17w47a

17w47a is the sixth snapshot released for 1.13.

Blocks

 * Trapdoors, buttons and pressure plates made from all six types of wood.
 * A pumpkin block, without the face. The previous pumpkin block has been renamed "Carved Pumpkin".
 * Right-clicking a pumpkin block with shears will turn it into a carved pumpkin and make it spit out 4 pumpkin seeds.
 * Multiple vines facing different directions, including on the bottom of blocks, can now be placed in the same block space.

Items

 * An item form for bark blocks for all six types of wood.
 * An item form for petrified oak slab - the old wood slab that acts like a stone slab.
 * An item form for smooth quartz, smooth red sandstone, smooth sandstone, and smooth stone.
 * An item form for red and brown mushroom blocks and mushroom stems.
 * A debug stick to cycle between different block states.
 * Left clicking cycles through states; right-clicking cycles through values. Shift-clicking will cycle through the states or values in reverse order.

General

 * Options when editing a world to make a backup and open the backups folder.
 * An option in chat settings to toggle automatic command suggestions (defaults on, otherwise hit tab to bring them up).

Blocks

 * The upper limit of the block ID has disappeared.
 * Blocks which used to have no bottom texture (like repeaters, comparators, torches, etc.) now have a bottom texture, not including redstone wire.
 * Flicking a lever on now displays redstone particles.
 * Blocks with a collision box now have matching bounding boxes.
 * Affected: anvils, cauldrons, hoppers, fences, iron bars, glass panes, filled ender portal frames, vines, lily pads, stairs, brewing stands, and pistons
 * Updated the collision box of anvils and hoppers.
 * Does not affect blocks with a collision box smaller than their model, such as soul sand and snow layers.
 * Beds now require a block below it as a support. Previously this was only required when placing the bed and the block could be destroyed afterward without the bed being destroyed.
 * Chests and trapped chests can be put directly next to their double variants instead of requiring one block between them.
 * Shift right-clicking a chest or trapped chest next to a chest or trapped chest respectively will not make the two chests or 2 trapped chests combine into a double chest or double trapped chest.
 * Placing pumpkins and fence gates no longer requires a block below them.
 * Silverfish-infested blocks will now break instantly, regardless of a tool that the player is using.
 * When broken with Silk Touch, the non-infested counterpart of the block will drop.
 * Blocks now emit the block breaking particles according to their size.
 * Buttons and levers can no longer be placed on top of pistons.


 * Dispenser
 * Crafting no longer requires a fully repaired bow.

Items

 * Carrot on a stick
 * It's now possible to craft a carrot on a stick with a damaged fishing rod.

World generation

 * Witch Huts
 * Now generates with a mushroom in the flower pot.
 * Previously, it was completely empty.

Command format

 * Removed in favor of.
 * Removed in favor of.


 * Particle names now use namespaced IDs.
 * Old ID → new ID
 * and  →
 * and  →
 * : unlisted
 * : removed
 * : removed
 * and  →
 * : unlisted
 * : removed
 * : removed
 * and  →
 * : unlisted
 * : removed
 * : removed
 * and  →
 * : unlisted
 * : removed
 * : removed
 * and  →
 * : unlisted
 * : removed
 * : removed
 * and  →
 * : unlisted
 * : removed
 * : removed
 * and  →
 * : unlisted
 * : removed
 * : removed
 * : unlisted
 * : removed
 * : removed
 * : unlisted
 * : removed
 * : removed


 * Will auto-complete custom sound events.
 * Will auto-complete custom sound events.

General

 * The "flattening"
 * Numeric block metadata completely phased out in favor of block states.
 * Split, merged, created, deleted, and renamed a lot of blocks, block states, block entities and items.
 * Blocks and items previously differing because of damage value have gotten their own id, for example  instead of
 * Damage has been moved to the tag and is only used by tools, armor and maps.
 * Files and commands no longer use  or.


 * Statistics
 * Statistics are being updated.
 * is now.
 * is now.


 * Creative inventory
 * Because of The "flattening", certain blocks and items have been moved around in their respective groups, for example, the purpur block is now after Obsidian.
 * Mushroom Blocks, farmland and grass path are added to the inventory, under the Decoration Blocks group; blank firework rockets are added to the Miscellaneous group; and bark, smooth stone, sandstone, red sandstone and quartz are added to the Building Blocks group.


 * Superflat customization
 * Preset strings no longer use a version number.

Trivia



 * The banner image of this update is an animated GIF. On some frames, trapdoors with the purple/black missing texture are displayed.