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Minecraft 25w31a

Weekly work-in-progress build. Things break and get removed again. Full source data for this version is extracted and browsable below.

2,755 names shipped in this version. Each result opens the wiki page for that thing.

Contents (13)
  1. What changed in 25w31a
  2. Blocks
  3. Items
  4. Mobs and entities
  5. How to make the new things
  6. Block entities
  7. Sound events
  8. New in-game text
  9. Reworded text
  10. Fixes
  11. Development cycle
  12. Browse this version
  13. Neighbouring versions

Java What changed in 25w31a

Everything below is measured by comparing the game files of 1.21.8 with 25w31a — not copied from patch notes.

+35Blocks
+47Items
+1Mobs and entities
+2Block entities
+40Sound events
25w31a block and item additions

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

Blocks +35

Acacia ShelfBamboo ShelfBirch ShelfCherry ShelfCopper ChestCopper Golem StatueCrimson ShelfDark Oak ShelfExposed Copper ChestExposed Copper Golem StatueExposed Lightning RodJungle ShelfMangrove ShelfOak ShelfOxidized Copper ChestOxidized Copper Golem StatueOxidized Lightning RodPale Oak ShelfSpruce ShelfWarped ShelfWaxed Copper ChestWaxed Copper Golem StatueWaxed Exposed Copper ChestWaxed Exposed Copper Golem StatueWaxed Exposed Lightning RodWaxed Lightning RodWaxed Oxidized Copper ChestWaxed Oxidized Copper Golem StatueWaxed Oxidized Lightning RodWaxed Weathered Copper ChestWaxed Weathered Copper Golem StatueWaxed Weathered Lightning RodWeathered Copper ChestWeathered Copper Golem StatueWeathered Lightning Rod

Items +47

Acacia ShelfBamboo ShelfBirch ShelfCherry ShelfCopper AxeCopper BootsCopper ChestCopper ChestplateCopper Golem Spawn EggCopper Golem StatueCopper HelmetCopper HoeCopper Horse ArmorCopper LeggingsCopper NuggetCopper PickaxeCopper ShovelCopper SwordCrimson ShelfDark Oak ShelfExposed Copper ChestExposed Copper Golem StatueExposed Lightning RodJungle ShelfMangrove ShelfOak ShelfOxidized Copper ChestOxidized Copper Golem StatueOxidized Lightning RodPale Oak ShelfSpruce ShelfWarped ShelfWaxed Copper ChestWaxed Copper Golem StatueWaxed Exposed Copper ChestWaxed Exposed Copper Golem StatueWaxed Exposed Lightning RodWaxed Lightning RodWaxed Oxidized Copper ChestWaxed Oxidized Copper Golem StatueWaxed Oxidized Lightning RodWaxed Weathered Copper ChestWaxed Weathered Copper Golem StatueWaxed Weathered Lightning RodWeathered Copper ChestWeathered Copper Golem StatueWeathered Lightning Rod

Mobs and entities +1

Copper Golem

How to make the new things 37

Hover a slot to see what goes in it.

ResultMade inRecipe
Acacia ShelfCrafting6
Bamboo ShelfCrafting6
Birch ShelfCrafting6
Cherry ShelfCrafting6
Copper AxeCrafting
Copper BootsCrafting
Copper ChestCrafting
Copper ChestplateCrafting
Copper HelmetCrafting
Copper HoeCrafting
Copper LeggingsCrafting
Copper NuggetCrafting9
Copper NuggetBlastingBlasting5.0s · 0.1 XP
Copper NuggetSmeltingSmelting10.0s · 0.1 XP
Copper PickaxeCrafting
Copper ShovelCrafting
Copper SwordCrafting
Crimson ShelfCrafting6
Dark Oak ShelfCrafting6
Jungle ShelfCrafting6
Mangrove ShelfCrafting6
Oak ShelfCrafting6
Pale Oak ShelfCrafting6
Spruce ShelfCrafting6
Warped ShelfCrafting6
Waxed Copper ChestCrafting
Waxed Copper Golem StatueCrafting
Waxed Exposed Copper ChestCrafting
Waxed Exposed Copper Golem StatueCrafting
Waxed Exposed Lightning RodCrafting
Waxed Lightning RodCrafting
Waxed Oxidized Copper ChestCrafting
Waxed Oxidized Copper Golem StatueCrafting
Waxed Oxidized Lightning RodCrafting
Waxed Weathered Copper ChestCrafting
Waxed Weathered Copper Golem StatueCrafting
Waxed Weathered Lightning RodCrafting

Block entities +2

Copper Golem StatueShelf

Sound events +40

Block.Copper Chest.CloseBlock.Copper Chest.OpenBlock.Copper Chest Oxidized.CloseBlock.Copper Chest Oxidized.OpenBlock.Copper Chest Weathered.CloseBlock.Copper Chest Weathered.OpenBlock.Copper Golem Statue.BreakBlock.Copper Golem Statue.FallBlock.Copper Golem Statue.HitBlock.Copper Golem Statue.PlaceBlock.Copper Golem Statue.StepBlock.Shelf.ActivateBlock.Shelf.BreakBlock.Shelf.DeactivateBlock.Shelf.FallBlock.Shelf.HitBlock.Shelf.Multi SwapBlock.Shelf.PlaceBlock.Shelf.Place ItemBlock.Shelf.Single SwapBlock.Shelf.StepEntity.Copper Golem.DeathEntity.Copper Golem.HurtEntity.Copper Golem.Item DropEntity.Copper Golem.Item No DropEntity.Copper Golem.No Item GetEntity.Copper Golem.No Item No GetEntity.Copper Golem.SpawnEntity.Copper Golem.SpinEntity.Copper Golem.StepEntity.Copper Golem Become StatueEntity.Copper Golem Oxidized.DeathEntity.Copper Golem Oxidized.HurtEntity.Copper Golem Oxidized.SpinEntity.Copper Golem Oxidized.StepEntity.Copper Golem Weathered.DeathEntity.Copper Golem Weathered.HurtEntity.Copper Golem Weathered.SpinEntity.Copper Golem Weathered.StepItem.Armor.Equip Copper

New in-game text 98

KeyText
block.minecraft.acacia_shelfAcacia Shelf
block.minecraft.bamboo_shelfBamboo Shelf
block.minecraft.birch_shelfBirch Shelf
block.minecraft.cherry_shelfCherry Shelf
block.minecraft.copper_chestCopper Chest
block.minecraft.copper_golem_statueCopper Golem Statue
block.minecraft.crimson_shelfCrimson Shelf
block.minecraft.dark_oak_shelfDark Oak Shelf
block.minecraft.exposed_copper_chestExposed Copper Chest
block.minecraft.exposed_copper_golem_statueExposed Copper Golem Statue
block.minecraft.exposed_lightning_rodExposed Lightning Rod
block.minecraft.jungle_shelfJungle Shelf
block.minecraft.mangrove_shelfMangrove Shelf
block.minecraft.oak_shelfOak Shelf
block.minecraft.oxidized_copper_chestOxidized Copper Chest
block.minecraft.oxidized_copper_golem_statueOxidized Copper Golem Statue
block.minecraft.oxidized_lightning_rodOxidized Lightning Rod
block.minecraft.pale_oak_shelfPale Oak Shelf
block.minecraft.spruce_shelfSpruce Shelf
block.minecraft.warped_shelfWarped Shelf
block.minecraft.waxed_copper_chestWaxed Copper Chest
block.minecraft.waxed_copper_golem_statueWaxed Copper Golem Statue
block.minecraft.waxed_exposed_copper_chestWaxed Exposed Copper Chest
block.minecraft.waxed_exposed_copper_golem_statueWaxed Exposed Copper Golem Statue
block.minecraft.waxed_exposed_lightning_rodWaxed Exposed Lightning Rod
block.minecraft.waxed_lightning_rodWaxed Lightning Rod
block.minecraft.waxed_oxidized_copper_chestWaxed Oxidized Copper Chest
block.minecraft.waxed_oxidized_copper_golem_statueWaxed Oxidized Copper Golem Statue
block.minecraft.waxed_oxidized_lightning_rodWaxed Oxidized Lightning Rod
block.minecraft.waxed_weathered_copper_chestWaxed Weathered Copper Chest
block.minecraft.waxed_weathered_copper_golem_statueWaxed Weathered Copper Golem Statue
block.minecraft.waxed_weathered_lightning_rodWaxed Weathered Lightning Rod
block.minecraft.weathered_copper_chestWeathered Copper Chest
block.minecraft.weathered_copper_golem_statueWeathered Copper Golem Statue
block.minecraft.weathered_lightning_rodWeathered Lightning Rod
commands.summon.failed.peacefulMonster cannot be summoned in Peaceful difficulty
debug.entry.alwaysAlways
debug.entry.currently.alwaysOn%s: Currently always on
debug.entry.currently.inF3%s: Currently only in f3
debug.entry.currently.never%s: Currently off
debug.entry.f3In F3
debug.options.category.rendererDebug Renderers
debug.options.category.textDebug Screen Text
debug.options.helpF3 + F5 = Edit Debug Options
debug.options.notAllowed.tooltipNot visible when debug info is reduced
debug.options.profile.defaultDefault profile
debug.options.profile.performancePerformance profile
debug.options.searchSearch for options
debug.options.titleDebug Options
debug.options.warningThese options are for testing purposes only. They may slow down your computer, crash the game, or eat your pet rock.
entity.minecraft.copper_golemCopper Golem
item.minecraft.copper_axeCopper Axe
item.minecraft.copper_bootsCopper Boots
item.minecraft.copper_chestplateCopper Chestplate
item.minecraft.copper_golem_spawn_eggCopper Golem Spawn Egg
item.minecraft.copper_helmetCopper Helmet
item.minecraft.copper_hoeCopper Hoe
item.minecraft.copper_horse_armorCopper Horse Armor
item.minecraft.copper_leggingsCopper Leggings
item.minecraft.copper_nuggetCopper Nugget
item.minecraft.copper_pickaxeCopper Pickaxe
item.minecraft.copper_shovelCopper Shovel
item.minecraft.copper_swordCopper Sword
item.spawn_egg.peacefulDisabled in Peaceful
mco.configure.world.players.invite.duplicateA player with the provided name has already been invited to the Realm
multiplayer.disconnect.configuration_errorUnexpected error during configuration
narration.slider.usage.focused.keyboard_cannot_change_valuePress Enter to start changing the slider value
options.invertMouseXInvert Mouse X
options.invertMouseYInvert Mouse Y
options.showSubtitles.tooltipEnables captions for sounds played in the game.
options.sprintWindowSprint Window
options.sprintWindow.tooltipTime window in ticks where double-tapping the forward key activates sprint.
options.value%s
pack.incompatible.confirm.unknownThis pack is broken or made for an unknown version of Minecraft and may not work correctly.
pack.incompatible.unknown(Broken or incompatible)
subtitles.block.copper_chest.closeChest closes
subtitles.block.copper_chest.openChest opens
subtitles.block.shelf.activateShelf activates
subtitles.block.shelf.deactivateShelf deactivates
subtitles.block.shelf.multi_swapItems swap

Showing the first 80 of 98 new strings.

Reworded text 2

Wording Mojang changed in this version.

KeyBeforeAfter
options.showSubtitlesShow SubtitlesClosed Captions
soundCategory.voiceVoice/SpeechNarrator/Voice
Full comparison pageEvery registry, side by side

Fixes 52

Read from Mojang’s own release notes for Minecraft Snapshot 25w31a, published 2025-07-29. Every entry keeps its original bug ID.

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

Fixed bugs in 25w31a 52

  • MC-46634 Thunder volume is not affected by weather volume settings
  • MC-73881 Summoning monsters in peaceful difficulty spawns monster for 1 tick
  • MC-89142 Changing jump key to "Enter" let player jump after completing chat line
  • MC-94610 Missing loot table entries for mob heads from charged creepers
  • MC-98200 All sound sliders except master are ignored by high-volume /playsound
  • MC-183776 After switching game modes using F3+F4, you need to press F3 twice to toggle the debug screen
  • MC-192907 The F3 debug menu cannot be toggled while chat is open
  • MC-196443 When reducedDebugInfo is true, hitting F3+B and F3+G would still tell the player in chat that they are being toggled, despite nothing happening
  • MC-197247 Using F3+D to clear pending lines keeps the previous delay for a new message
  • MC-203401 Double-tapping forward button to sprint cannot be disabled/reconfigured
  • MC-220842 Opening game mode switcher while spectating a mob with shader effect toggles the effect
  • MC-234479 You can invite the same player multiple times to your realm even if they've already received an invitation or have already joined it
  • MC-235780 The beacon GUI incorrectly displays the "Beacon" tooltip when the mouse cursor is held over the "Done" or "Cancel" buttons
  • MC-237016 The chat delay function continues to print messages despite the game being paused
  • MC-237843 Players can be idle kicked whilst viewing the end credits
  • MC-259692 Sneaking and sprinting states are activated or toggled unexpectedly when releasing their input keys while an interface was just previously closed
  • MC-259935 It can snow even when biome precipitation is set to NONE
  • MC-260822 The "Done" and "Cancel" buttons within the beacon GUI no longer display tooltips when the mouse cursor is held over them
  • MC-261387 Redundant block_predicate_filter check in mangrove tree placement
  • MC-262000 Unused texture: misc/white.png
  • MC-263597 The ender dragon's respawning noise cannot be turned down by the Hostile Mobs volume slider
  • MC-269838 Pumpkin seeds drop from sheared pumpkins is hardcoded
  • MC-269839 Honeycomb drop from sheared bee nests and beehives is hardcoded
  • MC-270918 Loot tables for mob heads are missing copy_components loot function for custom_name
  • MC-275244 Setting "width_smoothness" in file configured_carver to 0 causes the game to freeze or crash
  • MC-275432 Subtitles are difficult to see within screens
  • MC-276568 Mipmapped versions of the armor trims atlas are generated
  • MC-276629 Glow berries drop from cave vines appears to be hardcoded
  • MC-276759 Scute drop from brushing armadillos is hardcoded
  • MC-277447 Minecraft generates mipmapped textures for chests, but does not use them
  • MC-277450 Minecraft generates mipmapped textures for shulker boxes, but does not use them
  • MC-277470 Minecraft generates mipmapped textures for beds, but does not use them
  • MC-277471 Minecraft generates mipmapped textures for signs, but does not use them
  • MC-277473 Minecraft generates mipmapped textures for decorated pots, but does not use them
  • MC-277481 Minecraft generates mipmapped textures for banners, but does not use them
  • MC-277483 Minecraft generates mipmapped textures for shields, but does not use them
  • MC-277770 Processor type block_age always modifies slabs property "type" to bottom
  • MC-278965 Cherry Grove is not part of the #stronghold_biased_to tag
  • MC-279793 Mounting horses, donkeys, mules, zombie horses, skeleton horses, and camels no longer forces you to face forward
  • MC-289348 Ender pearls stop loading chunks in The End after relog, if there are no players in that dimension
  • MC-297593 Cauldrons now apply the effect of the substance they're filled with when contacted from the underside
  • MC-298274 Certain invalid commands give "see below for error" with no additional information
  • MC-298732 The cursor is no longer shown at the end of lines that aren't the final one
  • MC-298805 Axes disable shields even when the shield does not block the attack
  • MC-298883 The active world slot is not highlighted when selected via TAB navigation in Realms
  • MC-299450 You can no longer double-click to select characters in the book and quill interface
  • MC-299451 Pages in book and quills are no longer automatically focused when switching pages
  • MC-299566 The cursor in the book and quill interface is positioned too far to the left
  • MC-299628 Mounted players/mobs trigger sculk sensors on world load
  • MC-299782 Zombie villagers saved in jigsaw structures forget their biome variant and profession upon world generation
  • MC-299896 You can switch the worlds of expired realms to empty slots, which misleadingly prompts world creation despite no active realms subscription
  • MC-300021 Some elements of the villager interface are now rendered above the cursor item

Development cycle

This build was part of the run-up to 1.21.9. Everything tested here landed in that release.

Minecraft 1.21.9The release this one led to

Browse this version

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Neighbouring versions

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