Java Edition 17w50a

17w50a is the eleventh snapshot released for 1.13.

Additions

 * Commands
 * Added a new local coordinate type in commands using.
 * When specifying coordinates in a command, you can now use  to specify local coordinates instead of world coordinates.
 * Local coordinates are relative to the rotations of an entity, instead of relative to the static world axes.
 * The syntax is:
 * is the amount of blocks in the specified direction.
 * Tab-completing coordinates when not targeting a block will suggest  again.


 * Tags
 * Added the default tags  and   for both items and blocks.
 * The tags  and   now include   and   respectively for both items and blocks.

Changes

 * Tags
 * Tags can now include other tags (of the same type).
 * You can add for example  in a tag value list to reference another tag called.
 * Self referencing is not possible.
 * When overriding a tag, you can now choose to replace instead of append.
 * By default all tags append if another data pack created the tag.
 * Adding  to your tag definition will make the tag overwrite instead.


 * Item frames
 * Item frames can now be put on floors and ceilings.