Minecraft 23w51a

Everything below is measured by comparing the game files of 1.20.4 with 23w51a — not copied from patch notes.

23w51a block and item additions

4 new blocks and items. Hover a slot for the name; click to open its page.

Items +4 · −1

Armadillo ScuteArmadillo Spawn EggTurtle ScuteWolf Armor

Removed: minecraft:scute

Mobs and entities +1

Armadillo

Sound events +15

How to make the new things 1

Hover a slot to see what goes in it.

Result	Made in	Recipe
Wolf Armor	Crafting

New in-game text 23

Reworded text 10

Wording Mojang changed in this version.

Read from Mojang’s own release notes for Minecraft Snapshot 23w51a, published 2023-12-18. Every entry keeps its original bug ID.

55 issues fixed, read from Mojang’s own patch notes. Each entry keeps its original bug ID.

Fixed bugs in 23w51a 55

• MC-130244 When opening chat in F1 mode, previous messages aren't visible
• MC-153643 Debug overlay is rendered behind hotbar items
• MC-167375 Baby turtle subtitles are grammatically incorrect
• MC-173672 Title text renders in front of player names in player list
• MC-184066 Respawn anchors don't produce an ambient sound
• MC-184622 Sound for exiting a portal/travelling to another dimension does not use its subtitle string despite it existing in en_us.json
• MC-185379 Baby polar bear subtitle does not explicitly mention it comes from a baby polar bear
• MC-187267 Title text renders in front of sidebar
• MC-187372 There is no space between fps limit/vsync and graphics level in the debug screen
• MC-193511 Title text renders in front of narrator text
• MC-193515 Boss bar text renders in front of narrator text
• MC-193517 Boss bar text renders in front of sidebar
• MC-193521 Boss bar text renders in front of F3
• MC-193524 Boss bar text strikethough/underline renders on tab list
• MC-193753 Respawn anchor ambient sound subtitle refers to it as a portal
• MC-194948 Block breaking subtitle inconsistent with painting, item frame and lead breaking subtitles
• MC-198787 Inefficient streams in GoalSelector
• MC-198963 Chat text renders in front of player names in player list
• MC-219899 Bone meal used on rooted dirt causes the particles to appear above it, despite the growth being below it
• MC-238242 There is an unnecessary black pixel in the upper right corner of small potion UI icons in the inventory
• MC-248961 takenDamage for achievement criteria is calculated wrongly when the player has equipped a helmet
• MC-249335 Using bone meal on mangrove leaves spawns growth particles at the center of the block instead of below it
• MC-251027 Wearing a helmet doesn't reduce the damage of falling anvils or stalactites by 1⁄4
• MC-252409 Memory statistics within the debug menu contain some unnecessary spaces
• MC-259587 Negative item durability causes the durability bar to render incorrectly
• MC-261577 The nether portal overlay is rendered completely opaque when using spyglasses while standing inside of nether portals
• MC-263256 Chat renders on top of TAB, blocking information
• MC-265541 player.dat_old won't be read even if player.dat doesn't exist
• MC-265669 Hotbar text renders above subtitle background but under subtitle text
• MC-265835 The freezing effect is rendered totally opaque when using a spyglass
• MC-266055 Opening or closing a copper door or trapdoor while holding an axe / honeycomb grants wax-related advancement
• MC-266135 Cached macro commands ignore permission level, allowing limited permission escalation
• MC-266136 Macro commands ignore function-permisson-level server setting, including when lower than default
• MC-266144 Copper Doors are not part of the #doors item tag
• MC-266145 Copper Trapdoors are not part of the #trapdoors item tag
• MC-266308 Copper Bulbs have unused "turn_off" sound
• MC-266334 Shulker bullets destroy armor stands
• MC-266389 Glow berry particles are barely visible when bonemealed
• MC-266430 Breeze on top of a non-full block produces particles of the block below it
• MC-266432 Exposed, weathered and oxidised copper bulbs are unwaxed in trial chambers
• MC-266469 When attacked, breezes sometimes stop pathfinding, jumping, or firing wind charges
• MC-266524 Breezes sometimes get the zoomies after jumping
• MC-266533 Breeze's AI has serious flaws in open terrain
• MC-266589 Armor durability is changed when swapping on creative
• MC-266628 High polling rate causing stuttering
• MC-266680 The glowing outline isn't applied to the eyes or eyebrows of breezes
• MC-266685 The entity shadows of breezes are too large in relation to the size of their models
• MC-266688 Breeze model's glowing eyes are not resource pack-friendly
• MC-266738 Subtitles string "subtitles.block.trial_spawner.spawn_mob" is misleading and inconsistent
• MC-266879 Clouds, entity hitboxes, block outlines, specially rendered blocks, and enchantment glints, render through the insides of breezes' eyes and eyebrows
• MC-266960 Bossbar text renders in front of player list background and player icons
• MC-266990 Maps with the same 'map' tag value, but different 'display' tag data can cause markers to disappear
• MC-266999 Crafter's tooltip buttons can still be visible to players on spectator mode
• MC-267193 A function with /return fail run in chat doesn't indicate failure
• MC-267194 /return run function in combination with a fork and a function that doesn't return has inconsistent behavior

This build was part of the run-up to 1.20.5. Everything tested here landed in that release.