Java Edition 17w06a

17w06a is the first snapshot released for Java Edition 1.12, and the first snapshot released in 2017.

Blocks

 * Concrete
 * Comes in the 16 traditional dye colors
 * Created when Concrete Powder comes into contact with still or flowing water


 * Concrete powder
 * Comes in the 16 traditional dye colors
 * Gravity affected (like sand and gravel).
 * When it touches water, it turns into a Concrete block.
 * Craftable. Crafting: 4 sand, 4 gravel and one of any dye to get 8 concrete powder blocks. The recipe is shapeless.


 * Glazed terracotta
 * Comes in the 16 traditional dye colors
 * Smelt any colored stained clay in a furnace to obtain the glazed terracotta of that color (not for regular hardened clay).
 * Can be placed in 4 directions: north, south, west, and east.
 * When placed down while facing the right directions, a repeating pattern can be created. For example, the white glazed terracotta will create the pattern of a sun when 4 are placed down correctly.

General

 * Creative
 * Added "Saved Toolbars" tab
 * Save toolbars in Creative Mode with +/+ and load them with +.
 * Can save up to 9 toolbars.
 * If an empty toolbar is saved, it will clear the bookmarked toolbar and put back the 'informational paper' in the respective slot.

Blocks



 * Wool and carpets
 * New palette texture.


 * Banners
 * New palette texture.


 * Magma blocks
 * Are now able to burn infinitely, like Netherrack.


 * Beds
 * Now you can sleep when a neutral Zombie Pigman is near.

Mobs

 * Sheep
 * New color palette for wool on body.

Non-mob entities

 * Paintings
 * Will now try to place the largest possible in the available space it has.

General

 * Creative
 * Materials tab merged with Miscellaneous tab.

Video
Video made by slicedlime:

Trivia

 * 17w06a was previously removed from the launcher for some time, but was added back in September 2018.
 * This is the last version which Achievements existed.
 * This is the last version which supports Java 6 and Java 7.
 * This is the first snapshot since 11w48a to not be introduced on the Mojang blog.