Minecraft 1.20.3

Everything below is measured by comparing the game files of 1.20.2 with 1.20.3 — not copied from patch notes.

1.20.3 block and item additions

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

Blocks +56 · −1

Chiseled CopperChiseled TuffChiseled Tuff BricksCopper BulbCopper DoorCopper GrateCopper TrapdoorCrafterExposed Chiseled CopperExposed Copper BulbExposed Copper DoorExposed Copper GrateExposed Copper TrapdoorOxidized Chiseled CopperOxidized Copper BulbOxidized Copper DoorOxidized Copper GrateOxidized Copper TrapdoorPolished TuffPolished Tuff SlabPolished Tuff StairsPolished Tuff WallShort GrassTrial SpawnerTuff Brick SlabTuff Brick StairsTuff Brick WallTuff BricksTuff SlabTuff StairsTuff WallWaxed Chiseled CopperWaxed Copper BulbWaxed Copper DoorWaxed Copper GrateWaxed Copper TrapdoorWaxed Exposed Chiseled CopperWaxed Exposed Copper BulbWaxed Exposed Copper DoorWaxed Exposed Copper GrateWaxed Exposed Copper TrapdoorWaxed Oxidized Chiseled CopperWaxed Oxidized Copper BulbWaxed Oxidized Copper DoorWaxed Oxidized Copper GrateWaxed Oxidized Copper TrapdoorWaxed Weathered Chiseled CopperWaxed Weathered Copper BulbWaxed Weathered Copper DoorWaxed Weathered Copper GrateWaxed Weathered Copper TrapdoorWeathered Chiseled CopperWeathered Copper BulbWeathered Copper DoorWeathered Copper GrateWeathered Copper Trapdoor

Removed: minecraft:grass

Items +58 · −1

Breeze Spawn EggChiseled CopperChiseled TuffChiseled Tuff BricksCopper BulbCopper DoorCopper GrateCopper TrapdoorCrafterExposed Chiseled CopperExposed Copper BulbExposed Copper DoorExposed Copper GrateExposed Copper TrapdoorOxidized Chiseled CopperOxidized Copper BulbOxidized Copper DoorOxidized Copper GrateOxidized Copper TrapdoorPolished TuffPolished Tuff SlabPolished Tuff StairsPolished Tuff WallShort GrassTrial KeyTrial SpawnerTuff Brick SlabTuff Brick StairsTuff Brick WallTuff BricksTuff SlabTuff StairsTuff WallWaxed Chiseled CopperWaxed Copper BulbWaxed Copper DoorWaxed Copper GrateWaxed Copper TrapdoorWaxed Exposed Chiseled CopperWaxed Exposed Copper BulbWaxed Exposed Copper DoorWaxed Exposed Copper GrateWaxed Exposed Copper TrapdoorWaxed Oxidized Chiseled CopperWaxed Oxidized Copper BulbWaxed Oxidized Copper DoorWaxed Oxidized Copper GrateWaxed Oxidized Copper TrapdoorWaxed Weathered Chiseled CopperWaxed Weathered Copper BulbWaxed Weathered Copper DoorWaxed Weathered Copper GrateWaxed Weathered Copper TrapdoorWeathered Chiseled CopperWeathered Copper BulbWeathered Copper DoorWeathered Copper GrateWeathered Copper Trapdoor

Removed: minecraft:grass

Mobs and entities +2

BreezeWind Charge

Screens +1

Block entities +2

Particles +6

Sound events +54

New in-game text 200

Showing the first 80 of 200 new strings.

Reworded text 41

Wording Mojang changed in this version.

Read from Mojang’s own release notes for Minecraft 1.20.3, published 2023-12-04. Every entry keeps its original bug ID.

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

Fixed bugs in 23w40a 18

• 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

Fixed bugs in Snapshot 23w41a 25

• MC-16937 Shooting an arrow into the nether portal can hurt anybody when PvP is disabled
• MC-50319 Player owned projectiles lose their player ownership when exiting portals
• MC-81656 Field determining whether or not a wither skull is blue is not saved to and read from NBT
• MC-118403 Vexes summoned by evoker do not have evoker team applied
• MC-143266 Nested function calls reevaluate maxCommandChainLength before queueing commands
• MC-143269 Nested intermediate functions are skipped when maxCommandChainLength commands are already queued
• MC-189227 First time tutorial uses old textures
• MC-198113 Incomplete commands do not prevent functions from loading
• MC-233276 You can feed adult donkeys, horses, llamas or mules with maximum Temper value, and hand animation is not played
• MC-234323 Performance issue with text parsing
• MC-236501 Renamed minecarts and boats don't show their name tag in the world
• MC-249408 Boats with Chests lose their name when placed
• MC-257786 The game takes a long time to process players leaving realms groups or accepting or declining realms invitations
• MC-260576 Incomplete 'execute summon' command still runs
• MC-261682 Brushing can continue when block goes out of range
• MC-262105 Entities can block brushing actions when players look very close to their hitboxes
• MC-263575 When an item is extracted from suspicious sand/gravel, gravity does not work on this block
• MC-263660 "Sign wobbles" subtitle is the same for signs and hanging signs, causing translation issues
• MC-264595 Return command cannot run function when inside another function
• MC-264699 Functions return the output of commands only if the command doesn't start with return run
• MC-264710 "/execute if function" always fails and "/execute unless function" always succeeds if run from a function
• MC-264880 GUI slider uses new texture with programmer art
• MC-265516 The "Cancel" button within some realms menus can be deselected using keyboard navigation despite it being the only element within the said menu
• MC-265647 Shield arm position is incorrect while in a boat
• MC-265656 Pumpkins can no longer be sheared

Fixed bugs in Snapshot 23w34a 18

• MC-189261 Various Realms buttons and texts are incorrectly capitalized
• MC-223774 Firework Rockets can't be used to break Chorus Flowers
• MC-232719 The scroll bar within the singleplayer menu doesn't reset its position to the top of the list when searching for worlds
• MC-234483 Some strange pixels can be seen on the left side of world slot frames within several realms menus
• MC-262888 Clicking "I know what I'm doing!" on the world loading screen when loading a world in a new snapshot is way too loud
• MC-264966 "Signature is missing from Property textures" appears in the logs of some Minecraft worlds due to player heads
• MC-265515 The "You don't seem to have a Realm" element in the realms menu cannot be selected via the mouse cursor
• MC-265517 The "Buy a realm!" button is automatically selected when opening the "Add Realm" interface
• MC-265551 "No pending invites!" tooltip in Realms is now untranslatable
• MC-265744 Kick during login causes client error
• MC-265745 You can’t break decorated pots with fireworks launched from crossbow
• MC-265751 Decorated pot subtitles are inconsistent
• MC-265758 Decorated pots can be destroyed by projectiles in adventure mode
• MC-265761 Decorated pots are missing from the creative inventory's redstone blocks tab
• MC-265767 Commands don't show error messages in chat
• MC-265773 Functions executed as advancement rewards are executed at the top level
• MC-265778 "gamerule maxCommandChainLength 0" prevents subsequent command execution in the world
• MC-265789 Realms popup strings consist of inconsistent concluding punctuation

Every build Mojang published on the way to 1.20.3, in order.

1. Snapshot

   8

   Weekly work-in-progress build. Things break and get removed again.

   23w40a23w41a23w42a23w43a23w43b23w44a23w45a23w46a

2. Pre-release

   4

   Feature-complete; only bug fixes land between here and release.

   1.20.3-pre11.20.3-pre21.20.3-pre31.20.3-pre4

3. Release candidate

   1

   The build Mojang intends to ship unless a blocking bug turns up.

   1.20.3-rc1

4. Release

   1.20.3

   The build that shipped. Everything above led here.