Java Edition 17w43a

17w43a is the first snapshot released for 1.13.

Additions

 * Options
 * FS (Fullscreen) Resolution
 * Is used to change the resolution.


 * Data packs
 * Like resource packs, but for loot tables, advancements, functions, and structures.
 * Can be changed from world to server side.
 * Used by placing them into the world or server file, and it is also possible to use multiple data packs, or none at all.
 * Data packs are  files or folders with a   in the root. See: Tutorials/Creating a resource pack#pack.mcmeta. The packs are located in.
 * Structures will load from  before checking data packs.
 * However, this directory should not be used to distribute structures. Instead, move these files into data packs.
 * Reloadable using
 * Structure:,   folder containing a namespace folder determining the namespace of its contents
 * A namespace should only contain the following symbols: 01​​234​5​6​78​9abcdefghijklmnopqrstuvwxyz-_
 * Inside the namespace folder, there can be folders for,  ,   and.

Changes

 * General
 * Game library updates
 * Upgraded to LWJGL 3
 * Loading or creating a world shows the percentages of the loading stages.
 * now shows as a loading stage.


 * Title screen
 * Clicking on the Realms button will now do nothing, instead of taking you to the Realms page and saying your version isn't compatible.


 * Options
 * Removed 3D Anaglyph completely


 * Controls
 * The name of keybindings now describes the actual key (e.g. 'LBUTTON' -> 'Left Button', 'BACKSLASH' -> '\')


 * Resource Packs
 * The default resource pack can now be moved up and down, just like other resource packs.