Java Edition 1.13.1

1.13.1 is a minor update to released on August 22, 2018, which adds dead corals, a world list search bar, the  command; makes some changes to fish mobs, coral, squid, and buckets of tropical fish; and fixes many bugs. It is not compatible with 1.13 servers.

Blocks

 * Unstable TNT
 * Re-added punch-to-explode TNT using the  state (instead of the   state before 17w47a).


 * Dead coral
 * Dead variants of regular corals.
 * Can be placed on top of blocks.

Gameplay

 * Statistics
 * New statistics:
 * Damage Dealt (Absorbed) –
 * Damage Dealt (Resisted) –
 * Damage Blocked By Shield –
 * Damage Absorbed –
 * Damage Resisted –
 * Shulker Box Cleaned –

General

 * Added to force a JVM crash, instead of a regular crash. However, with some keyboards it only triggers with right control.
 * Added a search bar to the world list.
 * Added a concept of force-loaded chunks to the game, and a command to toggle force-loading on and off.
 * Added the block tag.
 * The F3 debug screen now displays the dimension the player is in, just above the XYZ coordinates.

Blocks

 * Conduits
 * Are now properly waterlogged.
 * Coral
 * Can now be placed in air.
 * Unless adjacent to water or waterlogged blocks, they will turn into dead coral after a short amount of time.
 * Purpur stairs and slabs
 * Can now be crafted using purpur pillars.

Items

 * Bone meal
 * When used underwater in warm ocean biomes, it now has a chance to grow corals and coral fans.
 * Bucket of tropical fish
 * Added tooltips.

Mobs

 * Herobrine.
 * Squid
 * Now spawn only when summoned

Command format

 * Scoreboards
 * The scoreboard operator  was changed from using Java's native   to using  . This causes the operator to use floored modulo instead of truncated modulo, so now   wraps to 6 instead of returning -1.


 * Functions
 * Line numbers in function parse error logs now start with 1 (was 0).

General

 * Performance
 * Performance has been optimized.
 * Improved the performance of liquids.
 * Improved the performance of flowing liquids.
 * Improved the performance of rendering chunks.
 * Improved the performance of spawning mobs.

Video
Video made by slicedlime:

Trivia

 * 1.13.1 has five snapshots, from 18w30a to 18w33a, making it have the second most snapshots among all minor updates, behind 1.7.4, which had 8.