Java Edition 1.13/Flattening

The current contents of this page serve as a comparison between the identifiers of versions 1.12 and 1.13.

Blocks and Items
Blocks and items that change their id in any way will also affect their statistics.

NBT Data

 * Items


 * in the root of the item data removed.
 * added in the  tag, only used for durability.
 * ,  or similar added in the   tag, for maps.Unknown formatting.
 * instead of  used by Banners to determine the base color of the banner.


 * Entities


 * and  of Endermen changed to 1  tag as metadata is removed and replaced with block states.
 * of Projectiles changed to as metadata is replaced with block states.
 * of Projectiles changed to.
 * of Arrows removed as metadata is removed and replaced with block states.
 * and  of Minecarts changed to 1  as metadata is removed and replaced with block states.
 * of Minecarts changed to.
 * and  of Falling Blocks changed to 1  as metadata is removed and replaced with block states.
 * and   from Area Effect Clouds replaced with  and.


 * Blocks


 * from Comparators removed.
 * Flower Pot Block Entity removed.
 * Note Block Block Entity removed.
 * Bed Block Entity removed.
 * and  of Piston Extensions changed to 1  as metadata is removed and replaced with block states.
 * of Piston Extensions changed to.
 * from Skulls removed.
 * Skull Block Entity removed for all but  and.
 * Skull Block Entity renamed to.

Commands

 * argument removed.
 * argument no longer allows metadata.
 * argument no longer allows metadata.
 * and  arguments no longer allows metadata.
 * argument removed.
 * argument removed.
 * argument no longer allows metadata.
 * arguments changed to  and.

Advancements

 * 's  removed.
 * condition's  removed.

Loot Tables

 * function removed.