Minecraft: Java Edition Snapshot - 22w19a

Thursday snapshot! Apart from some bugfixes and some changes to fancy tags and commands, we're introducing "chat preview" as a way to cryptographically sign chat messages that have been dynamically styled by servers. And for this snapshot only, we've left in our testing option test-rainbow-chat in server.properties, which can be set to true together with the new previews-chat option for testing. If this is something that interests you, and especially if you run a server, we would love your feedback on it.

Enjoy!

CHANGES IN 22W19A

• Warden and Iron Golems now make sure to spawn above something solid

TECHNICAL CHANGES IN 22W19A

• Servers can now enable Chat Preview, which displays a server-controlled preview above the chat edit box
• Changes to the locate and place commands
• Point of Interest tags

CHAT PREVIEW

• Servers can enable Chat Preview by setting previews-chat=true in server.properties
• When enabled, a server-controlled preview appears above the chat edit box, showing how the message will look when sent
• This can be used by servers to preview messages with styling applied, such as emojis or chat coloring
• Chat Preview sends chat messages to the server as they are typed, even before they’re sent
  • The server then sends back the styled preview in real time
  • This allows servers to apply dynamic message stylings while still allowing chat to be securely signed
• A warning screen is shown on the client when joining a server with Chat Preview, and it can be globally disabled in Chat Settings
• Dynamic chat styling can also be controlled by the server, although this is only signed when Chat Preview is enabled
  • Clients can prefer to always show the original, signed message by enabling “Only Show Signed Chat” in Chat Settings

COMMANDS

• Added template sub-command to place command
• locate command moved to locate structure, locatebiome moved to locate biome
• Added locate poi <type: point_of_interest_type>
• Servers will now also send an additional icon and MOTD packet after a player has connected
  • This allows servers with enable-status=false to set an icon and MOTD for players that successfully connect

PLACE TEMPLATE

The place command can now also place templates at a given location. Syntax:
place template <template> [pos] [rotation] [mirror] [integrity] [seed]

• place template works like using the load button in the UI for a structure block

Parameters:

• template: The namespaced id of a template (“structure block file”) to load and place
• rotation: The rotation to apply (if omitted, none is used)
• mirror: The mirroring to apply (if omitted, none is used)
• integrity: The structure integrity value between 0 and 1
• seed: The seed to use for the randomized degradation when integrity is less than 1

POINT OF INTEREST TYPES

• Removed unemployed and nitwit point_of_interest_types
• Added tag point_of_interest_type/acquirable_job_site for all job sites seeked by Villagers with none profession
• Added tag point_of_interest_type/village for PoI that are part of Village
• Added tag point_of_interest_type/bee_home for all PoI targeted by Bees

FIXED BUGS IN 22W19A

• MC-197647 - Players cannot jump off the edge of blocks when sneaking if they have a block above
• MC-231600 - Sculk sensor continuously receives vibrations when next to a powered big dripleaf
• MC-249130 - Tadpoles hatch inside of adjacent blocks, causing them to suffocate and die
• MC-249161 - Frogs frequently get stuck below lily pads
• MC-249634 - Warden’s sniffing behavior continues after being distracted
• MC-249664 - Warden despawns when far away
• MC-249801 - Mineshafts can intersect ancient cities
• MC-249888 - Warden is not angered when hit by a blaze fireball
• MC-249910 - Warden “Nearby Closest” sound is unused
• MC-249966 - Warden can stop chasing a target it just roared at
• MC-250172 - Warden doesn’t turn towards the direction it is firing the Sonic Boom attack
• MC-250233 - A warden summoned from a spawn egg suddenly losing its AI
• MC-250255 - Warden’s Sonic Boom cannot hurt Ender Dragon, it only pushes it back
• MC-250272 - Warden spawns in blocks that have no collision
• MC-250353 - Warden cannot spawn on a single snow layer like other mobs
• MC-250357 - Sculk sensors and Wardens detect when a player holds up a shield
• MC-250948 - Warden’s ranged attack is no longer affected by the game’s difficulty
• MC-250966 - Dying to the warden’s sonic boom doesn’t count as the warden’s kill
• MC-251029 - Warden froze and stopped being hostile towards the player
• MC-251263 - “Invalid signature for profile public key” when trying to open a singleplayer world
• MC-251316 - The game crashes when loading chunks that consist of jigsaw blocks
• MC-251321 - Warden can be pushed by explosions while emerging
• MC-251350 - /give @s goat_horn gives an unregistered goat horn
• MC-251396 java.lang.IllegalArgumentException: Name and ID cannot both be blank
• MC-251464 - When passive mobs take damage from warden’s sonic boom, they won’t flee in panic

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