Java Edition 24w11a

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 "label": "Release date"
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 "field": "(link to Snapshot article, displayed as Snapshot)",
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 "label": "(link to Obfuscation map article, displayed as Obfuscation maps)"
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 "field": " <span style=\"font-size:smaller\"><abbr title=\"decimal\">dec</abbr>: </span>1073742004<br /> <span style=\"font-size:smaller\"><abbr title=\"hexadecimal\">hex</abbr>: </span>400000B4",
 "label": "(link to Protocol version article, displayed as Protocol version)"
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 "field": "<span class=\"plainlinks\">[https://en.wikipedia.org/wiki/Java_version_history#Java_SE_17_.28LTS.29 Java SE 17]</span>",
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 "footer": "<table style=\"margin: auto; word-break: break-word;\">\n<tr style=\"background: inherit;\">\n<td style=\"padding: 0.4em\" >[[Java Edition 1.20.4|<span style=\"margin-right:-0.35em\">◄</span>◄  1.20.4]]</td>\n<td style=\"padding: 0.4em\">'''[[Java Edition 1.20.5|1.20.5]]'''</td>\n<td style=\"padding: 0.4em\" >[[Java Edition 1.20.6| 1.20.6 <span style=\"margin-right:-0.35em\">►</span>►]]</td>\n</tr>\n<tr style=\"background: inherit;\">\n<td style=\"padding: 0.4em\">\n[[Java Edition 24w10a|◄  24w10a]]\n</td>\n<td style=\"padding: 0.4em\">''' 24w11a'''</td>\n<td style=\"padding: 0.4em\">\n[[Java Edition 24w12a| 24w12a ►]]\n</td>\n</tr>\n</table>"
}

24w11a is the twelfth snapshot for Java Edition 1.20.5, released on March 14, 2024,^[1] which adds breeze rods, heavy cores, the mace, 3 new pottery sherds, 2 new smithing templates and 2 new banner patterns behind experimental toggles, and fixes bugs.

Wolf armor

• Changed the crack textures.

Bees and parrots

• Adjusted their flying behavior to keep them from overshooting their position when flying up and down.

Wolf

• When summoned using spawn eggs or commands, the variant selection now follows the natural spawning biome rules with the following extensions:
  • Rusty wolf is selected in jungles and bamboo jungles.
  • Spotted wolf is selected in savannas and windswept savannas.
  • Striped wolf is selected in badlands and eroded badlands.

Predicates

• Removed any entity sub-predicate.
• Added slot name contents for single-slot entities like item frames and item displays.
• Contents of item entity can now be accessed through contents slot name.
• Component-specific item predicate properties have been moved to separate field predicates.
  • Some fields from item predicate have been moved to a map in an optional field predicates.
  • The new field is similar to the components field on item stacks.
  • This was done to simplify addition for future predicates and to allow sub-predicates to more closely resemble names of components they match.
  • The following fields have been moved:
    • enchantments - field moved to sub-predicate minecraft:enchantments
    • stored_enchantments - field moved to sub-predicate minecraft:stored_enchantments
    • potions - field moved to sub-predicate minecraft:potion_contents
    • custom_data - field moved to sub-predicate minecraft:custom_data
• durability field has been expanded to minecraft:damage predicate:
  • This check now works for any item that has minecraft:damage component
  • An item that does not have a minecraft:damage component can never match
  • To check for unbreakable items, query value of minecraft:unbreakable component
  • Fields:
    • damage - optional bounds for value of minecraft:damage component
    • durability - optional bounds for durability (max damage minus value of minecraft:damage)
• Predicates minecraft:enchantments, minecraft:stored_enchantments, minecraft:potion_contents and minecraft:damage require matching component to exist on item
  • That means that, for example, matching for empty enchantment list doesn't pass on items without minecraft:damage component
  • Note: some components, like minecraft:enchantments have default values, so they always match

Background

• Menu background blur has been updated to look better and improve performance.

Data packs

• The data pack version is now 35.
• Added set_fireworks loot function.
  • New function for setting the details of the minecraft:fireworks component.
  • Fields:
    • conditions: list of conditions (default: []):
      • Conditions to check before applying the function
    • flight_duration: Optional integer, 0-255:
      • The flight duration measured in number of gunpowder.
      • If omitted, the flight duration of the item is left untouched - or set to 0 if the component did not exist before.
    • explosions: List of firework_explosion data - same format as the explosion field in the minecraft:fireworks component:
      • The explosion data to set
    • mode: enumerated value deciding function for explosions:
      • replace_all: fully replace the explosions list
      • replace_section: replace a section of the explosions. Arguments:
        • offset: optional non-negative integer:
          • Start of replaced range.
          • If omitted, 0 is used.
        • size: optional non-negative integer:
          • Size of range to be replaced in explosions.
          • If omitted, the size of explosions field is used.
      • insert: insert explosions, moving existing explosions to after the inserted section. Arguments:
        • offset: optional non-negative integer:
          • Index before which explosions are inserted.
          • If omitted, 0 (before first explosion) is used.
      • append: append explosions at the end of the list.
• Added set_firework_explosion loot function.
  • New function for setting the details of the minecraft:firework_explosion component.
  • Fields:
    • conditions: list of conditions (default: []):
      • Conditions to check before applying the function
    • shape: optional explosion shape:
      • The explosion shape to set.
      • If omitted, the original shape is kept (or small_ball is used if there was no component)
    • colors: optional integer array, RGB values:
      • List of initial particle colors to replace the ones on the existing explosion with
      • If omitted, the original colors are kept (or [] is used if there was no component)
    • fade_colors: optional integer array, RGB values:
      • List of fade-to particle colors to replace the ones on the existing explosion with
      • If omitted, the original colors are kept (or [] is used if there was no component)
    • trail: optional boolean:
      • Set whether the explosion should have a trail or not.
      • If omitted, the original has_trail value is kept (or false is used if there was no component)
    • twinkle: optional boolean:
      • Set whether the explosion should have a twinkle or not.
      • If omitted, the original has_twinkle value is kept (or false is used if there was no component)
• Added set_book_cover loot function.
  • New function for setting the cover details of the minecraft:written_book_content component. If present, any pages in the book are left untouched.
  • Fields:
    • conditions: list of conditions (default: []):
      • Conditions to check before applying the function.
    • title: optional filterable text (same format as title on the minecraft:written_book_content component):
      • The title to set.
      • If omitted, the original title is kept (or an empty string is used if there was no component)
    • author: optional string:
      • The author to set.
      • If omitted, the original author is kept (or an empty string is used if there was no component)
    • generation: optional integer [0; 3]:
      • The generation value to set.
      • If omitted, the original generation is kept (or 0 is used if there was no component)
• Added set_writable_book_pages loot function.
  • New function for manipulating the pages of the minecraft:writable_book_content component.
  • Fields:
    • conditions: list of conditions (default: []):
      • Conditions to check before applying the function.
    • pages: list of filterable strings (same format as pages on the minecraft:writable_book_content component):
      • The pages to apply.
    • mode: enumerated value deciding function:
      • replace_all: fully replace the book contents.
      • replace_section: replace a section of the book. Arguments:
        • offset: optional non-negative integer:
          • Start of replaced range.
          • If omitted, 0 is used.
        • size: optional non-negative integer:
          • Size of range to be replaced in book.
          • If omitted, the size of pages field is used.
      • insert: insert pages, moving existing pages to after the inserted section. Arguments:
        • offset: optional non-negative integer:
          • Index before which pages are inserted.
          • If omitted, 0 (before first page) is used.
      • append: append pages at the end of the book.
• Added set_written_book_pages loot function.
  • New function for manipulating the pages of the minecraft:written_book_content component. Same format as set_writable_book_content but the pages field contains filterable components instead of strings (same format as pages on the minecraft:writable_book_content component).
  • Any cover data is left untouched, and the page content components are set to resolve next time a player opens the book.

Particles

• Status effect particle colors are no longer blended into one particle color.
  • All active visible status effect particles are now rendered separately.
  • The frequency of emitting status effect particles has been lowered to clutter the screen less.

Resource packs

• The resource pack version is now 29.
• Added gui/inworld_menu_background, gui/inworld_menu_list_background, gui/inworld_header_separator, and gui/inworld_footer_separator textures to allow menus accessed from the pause menu to look different from menus accessed from the title screen.
• Added gui/tab_header_background texture, which is rendered behind the tab buttons in the "Create World" screen.
• Added misc/credits_vignette texture, which is rendered behind the poem and the credits.
• The blur post-processing shader has been renamed to box_blur.
• Added optional boolean field use_linear_filter to post-processing passes which when set to true switches texture sampling mode from nearest-neighbor sampling to linear interpolation for that pass.
• Added entity_outline_box_blur post-processing shader.

👁 Image
Heavy core

• A mysterious, dense block which can be combined with a breeze rod to craft a mace.
• Can be found as a loot reward in vaults with a chance of 2.2%.
• When placed, it has the same size as a player head, and can be oriented in 12 directions.
• Mining a heavy core is pretty slow - it takes 45 seconds to mine and has no correct tool.
• Are fully resistant to explosions.
• Pop off immediately if pushed by a piston.

Banner patterns

• Added two new banner patterns:
  • 👁 Image
    Flow banner pattern
  • 👁 Image
    Guster banner pattern

👁 Image
Breeze rod

• Dropped by the breeze.
• Can be crafted into 4 wind charges.
• Can be used with the heavy core to craft a mace.

👁 Image
Mace

• A new heavy weapon that can be crafted from a breeze rod and a heavy core.
• Using the weapon while falling can increase the damage output. The higher the player falls, the more damage is dealt.
  • This can be done by jumping towards the target and hitting them before the player hits the ground.
  • Successfully striking a target in this way negates any damage accumulated from the fall, similar to how a wind charge works.
  • Other entities near the struck enemy receive knockback.
• Can not be enchanted.
• Can be repaired with breeze rods using an anvil.
• Can be used to mine cobwebs, dropping string.
• Players can use a mace in combination with wind charges to launch up and deliver devastating smash attacks on their enemies.

Pottery sherds

• Added 3 new pottery sherds, that can be found on decorated pots inside of trial chambers:
  • 👁 Image
    Flow pottery sherd
  • 👁 Image
    Guster pottery sherd
  • 👁 Image
    Scrape pottery sherd

Smithing templates

• Added two new smithing templates, that are exclusively obtained from vaults:
  • 👁 Image
    👁 Image
    Bolt armor trim
  • 👁 Image
    👁 Image
    Flow armor trim

👁 Image
Trial spawners

• Now appear more frequently in the trial chambers corridors.

👁 Image
Vaults

• Their loot tables have been updated to address some inventory management issues.
  • The player now gets no more than 1 unstackable item per vault.
  • The player more often gets rewards which can stack together.
  • Horse armor and saddles have been removed from the loot table.
• Can now eject:
  • Wind charges
  • Bolt armor trim
  • Flow armor trim
  • Flow banner pattern
  • Guster banner pattern
  • Heavy core
  • Honey bottle
  • Arrow
  • Arrow of Poison
  • Golden apple

👁 Image
Breeze

• Drops 1-2 breeze rods instead of wind charges when killed by a player.
  • The number of breeze rods dropped is affected by Looting.

👁 Image
Trial chambers

• Added new chambers and variations, with new challenges.

• • Remade chamber_9, and renamed it to slanted.
  • Remade chamber_3, and renamed it to pedestal.
• Added flow, guster, and scrape pottery sherds to the decorated pots in the decor structure pool.
• Changed the layout of the blocks around vaults.

42 issues fixed

From released versions before 1.20

• MC-153329 – Leashing an iron golem breaks its pathfinding until reloading the world.
• MC-165948 – Bees can be lured into dangerous blocks.
• MC-168407 – Bees can get stuck in a lantern.
• MC-170000 – Hand lighting / lighting of held items changes drastically in first-person mode when looking around.
• MC-172047 – Wolves try to attack armor stands.
• MC-173303 – Leashed pets teleport to the player when reloaded.
• MC-186626 – /weather not working in custom dimensions.
• MC-208528 – Feeding tamed baby wolves and cats causes them to sit down/stand up.
• MC-221754 – Leashed wolves no longer attack when unleashed.
• MC-229919 – Bees don't recognize beehives or bee nests with a campfire directly below and a block on top.
• MC-232560 – Tamed wolf movement speed decreases when unleashed from a fence.
• MC-260921 – Data is focused last on the statistics screen when using keyboard navigation.
• MC-261749 – Tamed cats don't emit mob interaction vibrations for entering sitting/standing mode.

From 1.20.1

• MC-263873 – Elements within the statistics menu are not selected in order when using the key.

From 1.20.4

• MC-268110 – Deleting world results in a file directory error.
• MC-268624 – "Saving world" message is rendered behind pause menu background, instead of on top.
• MC-269279 – The "Normal user" button within the Realms player menu is improperly capitalized.

From the 1.20.5 development versions

• MC-267923 – The "Done" button doesn't always deselect when you close out of a sign UI, making typing spaces difficult.
• MC-267930 – No element is focused when opening the statistics screen using keyboard navigation.
• MC-268282 – Picking up lava, powder snow or water using a bucket can be desynced.
• MC-268405 – Wind charges can move in unusual ways.
• MC-268408 – Game crashes when a wind charge hits an entity after disabling update_1_21 data pack.
• MC-268582 – Facing direction no longer affects shading of the first-person arm.
• MC-268796 – "Saving world" text is blurred when pausing.
• MC-268805 – panorama_overlay.png no longer works.
• MC-268811 – Clicking 'Done' for language settings is ineffective; changes apply after double-clicking the language option.
• MC-268812 – Dirt background is used in the pause menu and some other menus in Programmer Art; black background used in High Contrast resource pack.
• MC-268816 – Credits background texture no longer scrolls in Programmer Art and other such resource packs.
• MC-268819 – Programmer Art, High Contrast, other resource packs: Top of "Create New World" screen is transparent/not dirt.
• MC-268855 – Typing /function then space closes the internal server.
• MC-268862 – The End is incredibly dark with the "High Contrast" resource pack enabled.
• MC-268902 – Low FPS when blurred menu background is visible.
• MC-268908 – Trying to navigate to the Font Settings menu using the key exits the language menu.
• MC-268953 – Layout of gamerules screen breaks when toggling fullscreen mode or changing resolution.
• MC-268956 – Command blocks, structure blocks and jigsaw blocks use menu_background.png.
• MC-268967 – Night vision does not work properly in High Constrast mode.
• MC-269032 – Blur shader runs when menu blurriness is 0 %.
• MC-269077 – Sign editing screen uses menu_background.png.
• MC-269081 – Some Realms icons are rendered behind the button in the main menu, instead of not being rendered at all.
• MC-269122 – Editing signs causes background blur.

From the previous development version

• MC-269134 – Baby wolves can no longer be fed to make them grow up faster.
• MC-269136 – Incorrect weapon.* command suggestions.

• Unlike most first-of-the-week snapshots, 24w11a was released on a Thursday instead of a Wednesday, similar to the snapshots before 14w26a.