Java Edition 1.13.1

1.13.1 was a minor update to Java Edition released on August 22, 2018, which added dead corals, a world list search bar, the command, made some changes to fish mobs, coral, squids, and buckets of tropical fish, and fixed 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

 * Fish
 * Now have a 5% chance of dropping bone meal when killed.
 * Squids
 * Now spawn only in rivers, oceans or beaches.

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.