Contents (11)
Java What changed in 25w41a
Everything below is measured by comparing the game files of 1.21.10 with 25w41a — not copied from patch notes.
+14Items
+2Mobs and entities
+1Status effects
+31Sound events
25w41a block and item additions
14 new blocks and items. Hover a slot for the name; click to open its page.
Items +14
Copper Nautilus ArmorCopper SpearDiamond Nautilus ArmorDiamond SpearGolden Nautilus ArmorGolden SpearIron Nautilus ArmorIron SpearNautilus Spawn EggNetherite Nautilus ArmorNetherite SpearStone SpearWooden SpearZombie Nautilus Spawn EggMobs and entities +2
Status effects +1
How to make the new things 8
Hover a slot to see what goes in it.
| Result | Made in | Recipe |
|---|---|---|
| Copper Spear | Crafting |  |
| Diamond Spear | Crafting | |
| Golden Spear | Crafting | |
| Iron Spear | Crafting | |
| Netherite Nautilus Armor | Smithing |  |
| Netherite Spear | Smithing | |
| Stone Spear | Crafting | |
| Wooden Spear | Crafting | |
Sound events +31
Entity.Baby Nautilus.AmbientEntity.Baby Nautilus.DeathEntity.Baby Nautilus.EatEntity.Baby Nautilus.HurtEntity.Baby Nautilus.SwimEntity.Nautilus.AmbientEntity.Nautilus.DashEntity.Nautilus.Dash ReadyEntity.Nautilus.DeathEntity.Nautilus.EatEntity.Nautilus.HurtEntity.Nautilus.SwimEntity.Zombie Horse.AngryEntity.Zombie Nautilus.AmbientEntity.Zombie Nautilus.DashEntity.Zombie Nautilus.Dash ReadyEntity.Zombie Nautilus.DeathEntity.Zombie Nautilus.EatEntity.Zombie Nautilus.HurtEntity.Zombie Nautilus.SwimItem.Armor.Equip NautilusItem.Armor.Unequip NautilusItem.Spear.AttackItem.Spear.HitItem.Spear.Lunge 1Item.Spear.Lunge 2Item.Spear.Lunge 3Item.Spear.UseItem.Spear Wood.AttackItem.Spear Wood.HitItem.Spear Wood.Use
New in-game text 105
| Key | Text |
|---|---|
advMode.setCommand.disabled | Command set: %s, but command blocks are still disabled |
commands.stopwatch.already_exists | Stopwatch '%s' already exists |
commands.stopwatch.create.success | Created Stopwatch '%s' |
commands.stopwatch.does_not_exist | Stopwatch '%s' does not exist |
commands.stopwatch.query | Stopwatch '%s' has run for %ss |
commands.stopwatch.remove.success | Removed Stopwatch '%s' |
commands.stopwatch.restart.success | Restarted Stopwatch '%s' |
death.attack.spear | %1$s was speared by %2$s |
death.attack.spear.item | %1$s was speared by %2$s using %3$s |
debug.crash.message.rebindable | %s + %s is held down. This will crash the game unless released. |
debug.entry.currently.inOverlay | %s: Currently only in debug overlay |
debug.entry.overlay | In overlay |
debug.profiling.start.rebindable | Profiling started for %s seconds. Use %s + %s to stop early |
effect.minecraft.breath_of_the_nautilus | Breath of the Nautilus |
enchantment.minecraft.lunge | Lunge |
entity.minecraft.nautilus | Nautilus |
entity.minecraft.zombie_nautilus | Zombie Nautilus |
item.intangible | Intangible |
item.minecraft.copper_nautilus_armor | Copper Nautilus Armor |
item.minecraft.copper_spear | Copper Spear |
item.minecraft.diamond_nautilus_armor | Diamond Nautilus Armor |
item.minecraft.diamond_spear | Diamond Spear |
item.minecraft.golden_nautilus_armor | Golden Nautilus Armor |
item.minecraft.golden_spear | Golden Spear |
item.minecraft.iron_nautilus_armor | Iron Nautilus Armor |
item.minecraft.iron_spear | Iron Spear |
item.minecraft.nautilus_spawn_egg | Nautilus Spawn Egg |
item.minecraft.netherite_nautilus_armor | Netherite Nautilus Armor |
item.minecraft.netherite_spear | Netherite Spear |
item.minecraft.stone_spear | Stone Spear |
item.minecraft.wooden_spear | Wooden Spear |
item.minecraft.zombie_nautilus_spawn_egg | Zombie Nautilus Spawn Egg |
key.category.minecraft.debug | Debug |
key.debug.clearChat | Clear chat |
key.debug.copyLocation | Copy location |
key.debug.copyRecreateCommand | Copy data |
key.debug.crash | Debug crash |
key.debug.debugOptions | Debug options |
key.debug.dumpDynamicTextures | Dump dynamic textures |
key.debug.dumpVersion | Dump version info |
key.debug.focusPause | Toggle lost focus pause |
key.debug.fpsCharts | FPS charts |
key.debug.modifier | Debug modifier key |
key.debug.networkCharts | Network charts |
key.debug.overlay | Toggle overlay |
key.debug.profiling | Start/stop profiling |
key.debug.profilingChart | Profiling chart |
key.debug.reloadChunk | Reload chunks |
key.debug.reloadResourcePacks | Reload resource packs |
key.debug.showAdvancedTooltips | Show advanced tooltips |
key.debug.showChunkBorders | Show chunk boundaries |
key.debug.showHitboxes | Show hitboxes |
key.debug.spectate | Cycle spectator |
key.debug.switchGameMode | Game mode switcher |
key.toggleGui | Toggle GUI |
key.toggleSpectatorShaderEffects | Toggle Spectator Shader Effects |
mco.configure.world.name.validation.whitespace | Must not start or end with whitespace |
narration.checkbox.usage.focused.check | Press Enter to check |
narration.checkbox.usage.focused.uncheck | Press Enter to uncheck |
narration.checkbox.usage.hovered.check | Left click to check |
narration.checkbox.usage.hovered.uncheck | Left click to uncheck |
options.blocks | %s Blocks |
options.cutoutLeaves | See-Through Leaves |
options.cutoutLeaves.tooltip | Allows to see through gaps in leaves. Disabling may improve performance. |
options.graphics.custom | Custom |
options.graphics.preset | Preset |
options.graphics.preset.tooltip | Sets "Quality & Performance" settings to reasonable defaults corresponding to the desired quality. |
options.improvedTransparency | Improved Transparency |
options.improvedTransparency.tooltip | An experimental approach that uses screen shaders for drawing weather, clouds, and particles behind translucent blocks and water. This will impact GPU performance. |
options.video.display.header | Display |
options.video.interface.header | Interface |
options.video.quality.header | Quality & Performance |
options.vignette | Show Vignette |
options.vignette.tooltip | This is a subtle texture over the game screen used for reducing brightness towards the edges of the screen and warning about the world border. |
options.weatherRadius | Weather Effect Radius |
options.weatherRadius.tooltip | Radius of the area where rain and snow effects are visible. Very low performance impact. |
subtitles.entity.baby_nautilus.ambient | Baby Nautilus chitters |
subtitles.entity.baby_nautilus.death | Baby Nautilus dies |
subtitles.entity.baby_nautilus.eat | Baby Nauilus eats |
subtitles.entity.baby_nautilus.hurt | Baby Nautilus hurts |
Showing the first 80 of 105 new strings.
Fixes 37
Read from Mojang’s own release notes for Minecraft Snapshot 25w41a, published 2025-10-09. Every entry keeps its original bug ID.
37 issues fixed, read from Mojang’s own patch notes. Each entry keeps its original bug ID.
Fixed bugs in 25w41a 37
MC-22882Ctrl + Q doesn't work on MacMC-54989Sliders can be moved to positions between available valuesMC-80476On macOS, the "drop item stack" shortcut conflicts with the "quit Minecraft" shortcutMC-114265Mipmaps are too dark around transparent edges in textures (e.g. side of grassMC-146862Long effect names cause text to appear outside the effect boxMC-147718F1, F3, F3+[char] combos cannot be reboundMC-159275Map player markers on maps of the nether don't rotate when doDaylightCycle is disabledMC-162573A white outline is rendered on composters' edges when viewed from far awayMC-171688Invisibility status of LivingEntity is not updated when ActiveEffects are modified directlyMC-195505Short grass is unaffected by mipmap levelsMC-234358Moiré patterns / aliasing on certain objects when viewed from a distanceMC-241862It sometimes requires multiple keyboard inputs to change values on slidersMC-248499Potion UIs displayed within the inventory don't have cyan outlines if the effects are granted by beacons or conduitsMC-264151Glass blocks do not use mipmapping, but glass panes doMC-267364Teleporting in the air is considered flying by serverMC-271941Music discs can sometimes spawn inside jukeboxes when ejected from themMC-276445Highlighted text within the anvil and creative inventory interfaces renders blue making it difficult to readMC-278742Creakings cannot be ridden by any entities using commandsMC-279076Certain mobs will always retarget the player upon reloading the chunks, regardless of distance or gamemodeMC-295949Flying through vines with an elytra cancels the flightMC-296952F4 key to toggle shaders cannot be reboundMC-297328Unloading and reloading an area causes invisible entities to be visible until you get close enough.MC-297367Checkbox filled status isn't narratedMC-298767Piercing arrows phase through mobs that are in the same blockMC-298915Multishot crossbows loaded in survival or adventure mode show their secondary charged projectiles on a separate line in the tooltipMC-299196Waypoints fade out when an advancement is grantedMC-300979The movement and duration messages in the demo introduction screen now have a text shadowMC-301595Music toasts briefly appear in the pause menu after a song has finishedMC-301632Comparators measuring jukeboxes do not update when a music disc is taken out of a jukebox if the music disc has already finished its songMC-301754The hand animation plays when right-clicking shelves with nothing in your handMC-301763The outline of the “Invited” element within the realms “Players” tab renders above other tabs when selected and when a scroll bar is presentMC-301805Selected item outline on statistics screen renders outside of scissor areaMC-302030Setting commandBlocksEnabled to false prevents command blocks from being editedMC-302254Cursor changes do not work for command suggestionsMC-302288All shelves have the oak tan map colorMC-302549Server main thread deadlock during respawn position resolution when the entire world spawn radius is filled with fluidsMC-302601A white outline is rendered on anvils' top texture when viewed from far away
Development cycle
This build was part of the run-up to 1.21.11. Everything tested here landed in that release.