Minecraft:Java Edition 23w03a

Template:Infobox version

23w03a is the first Minecraft:snapshot for Minecraft:Java Edition 1.19.4, released on January 18, 2023,<ref>Template:Snap</ref> which adds the Template:Cmd command and new interaction methods in Minecraft:options screen, makes technical changes, and fixes bugs. This is the first snapshot released in 2023.

Additions

Command format

Minecraft:Game rule

Added commandModificationBlockLimit, defaults to 32768.
- Controls the maximum number of blocks changed in one execution of Template:Cmd, Template:Cmd, and Template:Cmd commands.

Template:Cmd

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

General

File:Accessibility Onboarding Screen 23w03a.png

Accessibility onboarding screen

Minecraft:Title 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 Template:Key Template:Info needed or Template:Key to start changing the value.

Minecraft: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.

Minecraft:Tag

Added following biome tags:
- #increased_fire_burnout: contains Template:Cd.
  - Fire burns out faster in these defined biomes.
- #snow_golem_melts: contains Template:Cd.
  - Snow golems melt in these defined biomes.
- #spawns_snow_foxes: contains Template:Cd.
  - Snow foxes spawn in these defined biomes.
- #spawns_white_rabbits: contains Template:Cd.
  - White rabbits spawn in these defined biomes.

Changes

Mobs

Minecraft:Donkeys, Minecraft:mules, Minecraft:skeleton horses, and Minecraft:zombie horses

Changed their textures.

Minecraft:Vexes

Now use a separate charging animation when empty-handed.

Non-mob entities

Minecraft:Armor stand

Now preserve custom names when placed and broken.

Minecraft:Minecart with hopper

No longer have TransferCooldown data.

Command format

Minecraft:Chat component

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

Template:Cmd

Now supports specifying the source and target dimensions, new syntax:
- Template:Cmd
  - sourceDimension: ID of dimension to clone from.
  - targetDimension: ID of dimension to clone to.

Template:Cmd

New source string available, to read a value as text and resulting in a string value, syntax:
- ... (insert <index>|prepend|append|set|merge) string (block <sourcePos>|entity <source>|storage <source>) [<sourcePath>] [<start>] [<end>]
  - start: index of first character to include at the start of the string.
  - end: index of the first character to exclude at the end of the string.

Template:Cmd

On (if|unless), new conditions available:
- ... loaded <pos>: checks if the position given is fully loaded (in regard to both blocks and entities).
  - pos: block position to check.
- ... dimension <dimension>: checks if the execution is in a matching dimension.
  - dimension: a dimension ID.
New sub-command: on, for selecting entities based on relation to the current executing entity, syntax:
- ... on (attacker|controller|leasher|owner|passengers|target|vehicle) -> execute
  - attacker: last entity that damaged the executing entity in the previous 5 seconds.
  - controller: entity that is controlling the executing entity (for example: first passenger in a boat).
  - leasher: entity leading the executing entity with a leash (might be a leash knot in case of being attached to a fence).
  - owner: owner of the executing entity, if it is a tameable animal (like cats, wolves or parrots).
  - passengers: all entities directly riding the executing entity (no sub-passengers).
  - target: attack target for the executing entity.
  - vehicle: 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.

Template:Cmd

All time arguments to Template:Cmd are now time durations and work with Template:Cd suffixes.

Template:Cmd

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

General

Minecraft:Data pack

The Minecraft:pack format version is now 11.

Minecraft:Custom biome

Removed precipitation precipitation type field.
Added has_precipitation boolean field.

Minecraft:Options

Auto-jump is now off by default.
The resource pack screen is now keyboard-navigatable.

Protocol

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

Minecraft:Tag

Added #animals_spawnable_on to the #goats_spawnable_on block tag.
Renamed #only_allows_snow_and_gold_rabbits biome tag to the #spawns_gold_rabbits.

UI