Java Edition 1.19.4

1.19.4 is an upcoming minor update to with no set release date, which adds the  command, makes technical changes, and fixes bugs.

Command format

 * Game rule
 * Added, defaults to.
 * Controls the maximum number of blocks changed in one execution of, , and commands.


 * A new command to allow entities to start or stop riding other entities, syntaxes:
 * : makes a single target mount a single vehicle, will fail if:
 * is a player;
 * is already riding a vehicle;
 * and are the same entity;
 * is already a passenger (direct or indirect) of.
 * : dismounts from any vehicle it is riding, will fail if  is not riding anything.
 * : dismounts from any vehicle it is riding, will fail if  is not riding anything.

General

 * Menu screen
 * Added an accessibility onboarding screen for players launching the game for the first time.
 * Added arrow key navigation.
 * Menu screens can now be navigated by using the arrow keys.
 * When navigating with arrow keys, sliders need to be activated by pressing or  to start changing the value.


 * Options
 * Added a new "Notification Display Time" accessibility option, to change how long the notifications such as unlocked recipes, advancements, subtitles and selected item names are visible.


 * Protocol
 * Added a network protocol feature for forcing bundle of packets to be processed within same client tick.
 * Added new delimiter packet to clientbound game protocol.
 * All packets between two delimiters are guaranteed to be processed within same tick.
 * For security reasons this feature is not supported in serverbound direction.


 * Tag
 * Added following biome tags:
 * : contains.
 * Fire will burn out faster in these defined biomes.
 * : contains.
 * Snow golems will melt in these defined biomes.
 * : contains.
 * Snow foxes will spawn in these defined biomes.
 * : contains.
 * White rabbits will spawn in these defined biomes.

Mobs

 * Donkey, Mule, Skeleton Horse, and Zombie Horse
 * Changed their textures.


 * Vex
 * Now use a separate charging animation when empty-handed.

Non-mob entities

 * Armor Stand
 * Now preserve custom names when placed and broken.

Command format

 * Chat component
 * Added an optional field to  text components.
 * The new field is a string that will be used in place of translation if it is missing.
 * If is missing, the old behavior (i.e. using the key itself as the translation) is preserved.
 * Out-of-bound arguments in formats are no longer silently ignored.


 * Now supports specifying the source and target dimensions, new syntax:
 * : ID of dimension to clone from.
 * : ID of dimension to clone to.
 * : ID of dimension to clone from.
 * : ID of dimension to clone to.


 * New source available, to read a value as text and resulting in a string value, syntax:
 * : index of first character to include at the start of the string.
 * : index of the first character to exclude at the end of the string.
 * : index of first character to include at the start of the string.
 * : index of the first character to exclude at the end of the string.


 * On, new conditions available:
 * : checks if the position given is fully loaded (in regard to both blocks and entities).
 * : block position to check.
 * : checks if the execution is in a matching dimension.
 * : a dimension ID.
 * New sub-command:, for selecting entities based on relation to the current executing entity, syntax:
 * : last entity that damaged the executing entity in the previous 5 seconds.
 * : entity that is controlling the executing entity (for example: first passenger in a boat).
 * : entity leading the executing entity with a leash (might be a leash knot in case of being attached to a fence).
 * : owner of the executing entity, if it is a tameable animal (like cats, wolves or parrots).
 * : all entities directly riding the executing entity (no sub-passengers).
 * : attack target for the executing entity.
 * : entity that the executing entity is riding.
 * If the relation is not applicable to the executing entity or there are no entities matching it, selector returns zero elements.
 * : entity that the executing entity is riding.
 * If the relation is not applicable to the executing entity or there are no entities matching it, selector returns zero elements.


 * All time arguments to are now time durations and work with  suffixes.
 * All time arguments to are now time durations and work with  suffixes.


 * The duration of the weather change now matches the game's regular weather cycle if not specified.
 * The parameter is now a time duration in ticks and works with  suffixes.
 * To retain existing functionality, you need to add an suffix to pre-existing commands.
 * To retain existing functionality, you need to add an suffix to pre-existing commands.

General

 * Data pack
 * The version is now.


 * Menu screen
 * The resource pack screen is now keyboard-navigatable.


 * Options
 * Auto-Jump is now off by default.


 * Protocol
 * Clients now reset their secure chat session state when receiving the login packet.


 * Tag
 * Added to the  block tag.
 * Renamed biome tag to the.


 * UI
 * Slightly moved the search icon on the recipe book UI.

General

 * Tag
 * Added following item tag:
 * : contains.

Blocks

 * Head
 * They can be placed on top of note blocks without sneaking now.