Minecraft Snapshot 23w40a

Release: one year ago
We are now releasing Snapshot 23w40a, the first snapshot for 1.20.3! This snapshot contains improvements for shields, changes to chat component serialization and bug fixes.
Changes
- When a player is blocking with a shield, the arm with the shield now follows the direction the player is looking at, when viewed from third person perspective
Technical Changes
- The Data Pack version is now 19
- A few minor changes to chat component serialization
Chat components
Serialization
- Plain-text chat components (text, no sibilings, no stylings) are now always serialized as string instead of
{"text': "blah"}
- Chat components now serialize to NBT when sent over network
- Chat components now have an optional
type
value (allowed values:text
,translatable
,score
,nbt
,keybind
) to speed up parsing and improve error checking id
field inshow_entity
hoverEvent
style now also accepts UUID as an array of 4 ints- Numeric and boolean arguments for
translate
component are no longer converted to string - The following JSON component representations are no longer accepted:
null
[]
- Errors in following style fields are no longer silently ignored:
color
clickEvent
hoverEvent
hoverEvent[action=show_entity].contents.name
hoverEvent[action=show_item].contents.tag
Data Pack Version 19
Tags
- Added
can_breathe_under_water
entity type tag which disables drowning - Added
can_break_armor_stands
damage type tag for damage types that can incrementally knock down armor stands
Fixed bugs in 23w40a
- MC-47607 Barrier particles aren't shown if particles are set to minimal
- MC-50647 Slime mob spawners spawn slimes only in slime chunks
- MC-78314 (Marker) Armor stands create bubbles in water
- MC-109101 Shields do not block damage while the player faces straight up
- MC-114761 Area effect cloud applies effect to dying mob
- MC-172398 Fire texture renders according to the player's rotation in the player inventory
- MC-221558 Light particles aren't shown if particles are set to minimal
- MC-227255 Beehives and bee nests do not rotate/mirror correctly in structure blocks
- MC-236946 Shield attack vector is normalized incorrectly
- MC-253819 Bells don't rotate correctly when loaded by structure/jigsaw blocks
- MC-254850 An operator can kick a host of a LAN world
- MC-255173 Nether portal teleportation is inaccurate at large coordinate values
- MC-261303 Decorated pots have an unused "cracked" block state
- MC-263123 Mending incorrectly calculates overflow after full repair
- MC-264748 GLX._initGlfw Treats Pointer as a String
- MC-265353 Clocks and Compasses in Item Display Entities don't show correct time/direction
- MC-265462 Sending resource pack during play phase shows loading terrain screen for a long time
- MC-265519 Game minimizes when certain areas of the screen are clicked on Mac in fullscreen mode