Java Edition 24w20a
This page covers a development version that has an issue under certain conditions.
The game crashes when entities die while having the Oozing effect.
Minecraft 24w20a


| Edition | |||||||
|---|---|---|---|---|---|---|---|
| Release date |
May 15, 2024 | ||||||
| Type | |||||||
| Snapshot for | |||||||
| Downloads | |||||||
| Obfuscation maps | |||||||
| Protocol version |
dec: 1073742020 | ||||||
| Data version |
3944 | ||||||
| Resource pack format |
33 | ||||||
| Data pack format |
44 | ||||||
| Minimum Java version | |||||||
| |||||||
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24w20a is the fourth snapshot for Java Edition 1.21, released on May 15, 2024,[1] which fixes bugs.
Changes
Mobs
- Now always drops 4–8 redstone dust on death.
- This is to improve the viability of farms that utilize witch huts to obtain redstone dust.[1]
Gameplay
- Improved player attribute and effect handling.
- Custom set base attributes are now kept when respawning.
- Active effects and modifiers are kept when changing dimension or winning the game.
Sounds
- Changed sounds to lower their volume and attenuation.
- This was done to address the old sounds being too harsh and loud when used in redstone contraptions.[1]
General
- Have been updated.
- The pack format version is now
44.
dimension_paddingjigsaw structure tag was changed.- Now it is an object with fields:
bottom: the vertical padding at the bottom of the dimension, non-negative integer.top: the vertical padding at the top of the dimension, non-negative integer.
- Can be written as a single non-negative integer instead to be applied to both top and bottom fields.
- e.g. both
dimension_padding: 10ordimension_padding: { bottom: 10, top: 5 }are valid.
- e.g. both
- Now it is an object with fields:
- Data-driven enchantment field
weightnow has an upper bound of 1024. - Data-driven enchantment field
max_levelnow has an upper bound of 255. - New entity sub predicate
movement_affected_by- optional location predicate.- When present, adds requirements on a block at most 0.5 blocks below the entity which can affect its movement.
Fixes
From released versions before 1.21
- MC-6431 – Status effects are lost when returning to the Overworld from the exit End portal.
- MC-83590 – Armor attributes list can be too long.
- MC-101170 – Portal sound doesn't get played when returning from the End.
- MC-124177 – Teleporting to another dimension loses some client states.
- MC-137719 – The player's horizontal motion doesn't affect fired projectiles in certain situations.
- MC-179940 – Player's attributes reset back to default values upon respawning.
- MC-181604 – Exiting the End portal resets player attributes to their default values.
- MC-252361 – Obsidian platform in the End is off by a block from entering from the Nether compared to the Overworld.
- MC-255218 – Fly mode is disabled after teleporting from the End to the Overworld through the End portal.
- MC-267230 – Hangul fonts are rendered with missing pixels.
- MC-268113 – The
minecraft:generic.scaleattribute is desynchronized when the player leaves the End dimension via an End portal. - MC-268370 – Japanese CJK variants use the same diacritic.
- MC-268598 – The "weight" of skeletons in swamp biomes is too high causing less bogged spawns.
- MC-269036 – Bogged do not drop mushrooms when sheared with
doMobLootfalse. - MC-269147 – Shearing a bogged spawns mushrooms at the bogged's feet.
- MC-269574 – Client attribute values may desync from the server after leaving the End.
- MC-269951 – When the gamerule "
doImmediateRespawn" is set to true, the Wind Charged, Oozing or Weaving effects don't function for players. - MC-270052 – Blur levels below 10 % do not appear to actually work.
- MC-270301 – The Fire Protection enchantment applied to horse armor no longer decreases the duration of time the horse remains ablaze.
- MC-270539 – The Blast Protection enchantment, when applied to horse armor, no longer diminishes the knockback effect from explosions on horse.
- MC-270637 –
maxEntityCrammingset to 0 prevents slime spawning from Oozing effect. - MC-270789 – Only mace smash attacks increment "Times Used" stat.
- MC-271034 – List entries in the Social interactions menu are rendered over the background.
- MC-271168 – Demo timer does not respect "Text Background" setting.
- MC-271244 – Auto-save text does not respect "Text Background" setting in accessibility settings.
- MC-271360 – Horse armor and wolf armor are deleted when used on an armor stand.
- MC-271414 –
/damagecommand at position applies knockback in random direction. - MC-271980 – Arrows/bee stingers stuck in players disappear when leaving the End.
From the 1.21 development versions
- MC-271462 – Buttons make the deactivation sound when pressed.
- MC-271468 – Game crashes with custom enchantment's "
rotated_block_provider". - MC-271532 – Mace only loses durability during smash attacks.
- MC-271533 – Throwing Channeling trident at mobs during thunderstorm in Survival no longer summons lightning.
- MC-271547 – The player can't immediately sprint jump into a 2 block ceiling when standing next to it since 24w18a.
- MC-271566 – Game crash on insufficient "
ammo_use" amount. - MC-271574 – Inlining a painting variant causes players to disconnect when receiving entity data.
- MC-271583 – Soul speed no longer works through partial blocks.
- MC-271629 – Channeling doesn't work/"
post_attack" effect requires enchanted item to be in the mainhand. - MC-271636 – Attempting to modify NBT of killer rabbit throws unexpected error.
- MC-271678 –
damage_itemenchantment entity effect doesn't break items. - MC-271715 – Crash when the sum of enchantments' weights overflow.
- MC-271716 – Fraction value provider allows division by zero.
- MC-271803 – Custom enchantment with very large max level causes game to hang after opening Creative inventory.
- MC-271863 – Crafter recipe gets stuck on an item with a similar recipe.
- MC-271881 – Soul speed doesn't make soul particles.
- MC-271896 – Using ⇧ Shift+F3+I on a villager crashes the game.
- MC-271937 – Striking a villager with Channeling trident during thunderstorms doesn't grant the advancement "Very Very Frightening".
From the previous development version
- MC-271853 – Random "Failed to store chunk" error.
- MC-271854 – Trying to generate new chunks crashes the server.
- MC-271948 – Entering the Nether breaks the game.
Videos
Videos made by Slicedlime:
References
- ↑ a b c "Minecraft Snapshot 24w20a" – Minecraft.net, May 15, 2024.
- ↑ MC-270687 — Maces enchanted with wind burst don't reliably protect players from fall damage — resolved as "Works As Intended".