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{{Infobox version
|title=Minecraft 25w42a
|image=25w42a.jpg
|image2=Java Edition 25w42a.png
|edition=Java
|type=Snapshot
|date=October 14, 2025
|jsonhash=cb44662eb9b38b02bc65949b96b524fd2525c614
|clienthash=69479469a0c1ed7cd80ea45ed6c36aa07fc36001
|clientmap=7a75fd07429f580ed95121a4771337e3f4b242fd
|serverhash=d9c6cfd4ba84f5080206259d2563f75796f14470
|servermap=9315756cde3359f55f4572b49b0e98a352b87e12
|parent=1.21.11
|prevparent=1.21.10
|prev=25w41a
|next=25w43a
|nextparent=26.1
}}<onlyinclude>
'''25w42a''' is the second [[Minecraft:snapshot]] for [[Minecraft:Java Edition 1.21.11]], released on October 14, 2025.<ref>{{snap|25w42a|id=a|October 14, 2025}}</ref>

== Additions ==
=== General ===
'''[[Minecraft:Environment attribute]]s'''
{{collapse|
content=
* Provides a data-driven way to control a variety of visual and gameplay systems.
* Each Environment Attribute controls a specific visual or gameplay effect:
** For example, {{cd|minecraft:visual/sky_color}} controls the color of the sky, and {{cd|minecraft:gameplay/water_evaporates}} controls whether water can be placed at a given location.

* Sources
** Environment Attribute values can be provided by the following Environment Attribute sources (in order of low to high priority):
*** Dimensions
*** Biomes
** The "effective" value of the Environment Attribute (i.e. what will actually show up in game) will be some combination of the values provided by each source according to their priority.
*** For example, in the following scenario:
**** The overworld dimension provides <code>sky_color = #00ff00</code> (green)
**** The plains biome provides <code>sky_color = #ff0000</code> (red)
*** When the player is in the plains biome, they will see the red {{cd|sky_color}}, while anywhere else in the overworld they will see green.
** When an Environment Attribute source provides an Environment Attribute, it can:
*** Override the value, such as the plains biome overriding the overworld's {{cd|sky_color}} in the above scenario.
*** Apply a modifier to a previous value.

* Modifiers
** An environment attribute source may simply override the value of a particular attribute.
*** However, it is sometimes also desirable to rather apply a modifier to a value provided by a source with lower priority.
*** For example, in the following scenario:
**** The overworld dimension provides <code>water_fog_radius = 96.0</code>
**** The plains biome modifies {{cd|water_fog_radius}} with a multiply modifier of {{cd|0.85}}
*** When in the plains biome, the {{cd|water_fog_radius}} will be resolved to <math>96.0*0.85 = 81.6</math>, while in any other Overworld biome, it will resolve to {{cd|96.0}}.
** The kinds of modifiers available depends on the type of Environment Attribute.
*** The most basic modifier, supported by every Environment Attribute, is the override modifier.
*** This behaves purely as an override of the preceding value.
**** If not specified by an Environment Attribute source, the modifier will always be assumed to be override.

* Interpolation
** Interpolation describes the combination of values within a source.
** Is performed on values from a source after modifiers have been applied.
** Only some Environment Attributes support interpolation. This allows for the smooth transition between two or more values, such as when moving between two biomes.
** Biomes
*** {{cd|sky_color}} is one attribute that will transition smoothly based on position.
*** For example, in the following scenario:
**** The plains biome provides <code>sky_color = #ff0000</code> (red)
**** The desert biome provides <code>sky_color = #ffff00</code> (yellow)
*** In the above scenario, as a player moves from a plains to a desert biome, the sky color will gradually shift from red to yellow.
*** Other attributes, such as {{cd|water_evaporates}}, represent discrete values and will not be smoothly transitioned - only the biome exactly at a subject position will be considered.
*** Smooth transitions between biomes are based on the biomes within an 8 block radius of the camera. Biomes that occupy a larger portion of that radius and are closer to the camera will have a stronger influence on the final interpolated value.

* Environment Attribute Map
** Dimension Type and Biome definitions contain a new attributes field, enabling them to define Environment Attributes.
** This map generally takes the form of an object mapping between Environment Attribute IDs and their corresponding values, for example:
<code>"attributes": {
"minecraft:visual/fog_color": "#ffaa00",
"minecraft:gameplay/water_evaporates": true
}</code>
* Values defined as above will always be assumed to use the override modifier.
** The value object can however be expanded in order to express different modifiers, in the format of an object with the following fields:
*** {{cd|modifier}}: optional string modifier ID, dependent on the Attribute Type.
**** Default: {{cd|override}}
*** {{cd|argument}}: the modifier argument (format dependent on the chosen modifier).
**** How the argument is used also depends on the type of modifier.
*** For example, the following definition describes multiplying {{cd|water_fog_radius}} by 85%:
<code>"attributes": {
"minecraft:visual/water_fog_radius": {
"modifier": "multiply",
"argument": 0.85
}
}</code>

* Common Data Types
** The following data types are reused in various parts of the Environment Attributes system.
** RGB Color
*** Format can be one of the following:
**** A hex color RGB string, in the form {{cd|#rrggbb}}
**** A float array with 3 components, between {{cd|0}} and {{cd|1}}, in the form {{cd|[r, g, b]}}
**** An integer in packed RGB form.
** ARGB Color
*** Format can be one of the following:
**** A hex color ARGB string, in the form {{cd|#aarrggbb}}
**** A float array with 4 components, between {{cd|0}} and {{cd|1}}, in the form {{cd|[a, r, g, b]}}
**** An integer in packed ARGB form.
** Particle Options
*** A full definition of a particle, including any type-specific properties (as in the /particle command).
**** For example:
<code>{
"type": "minecraft:block_crumble",
"block_state": {
"Name": "minecraft:dirt"
}
}</code>

* Common Modifiers
* Every Environment Attribute has a specific value type, which describes how values must be defined as well as what modifiers are available and how they are interpolated.
** Some are very specific, while others are reused across many attributes.
** Modifiers on Boolean Values
*** Argument format: boolean
**** {{cd|override}}
**** {{cd|and}}
**** {{cd|nand}}
**** {{cd|or}}
**** {{cd|nor}}
**** {{cd|xor}}
**** {{cd|xnor}}
** Modifiers on Float Values
*** Argument format: float
**** {{cd|override}}
**** {{cd|add}}
**** {{cd|subtract}}
**** {{cd|multiply}}
**** {{cd|minimum}}
**** {{cd|maximum}}
** Modifiers on Color Values
*** Argument format: RGB color (except {{cd|alpha_blend}})
**** {{cd|override}}
**** {{cd|add}} - component-wise additive color blending
**** {{cd|subtract}} - component-wise subtractive color blending..
**** {{cd|multiply}} - component-wise multiplicative color blending.
**** {{cd|alpha_blend}} - traditional alpha blending that might be seen in image editing software.
***** Argument format: ARGB Color
***** When the argument alpha is {{cd|1}}, it will behave as an override with no blending.

* New Environment Attributes
** {{cd|minecraft:visual/fog_color}}
*** The color of fog (when the camera is not submerged in another substance).
**** Value type: RGB color
**** Default value: {{cd|#000000}}
**** Modifiers: Color Modifiers
**** Interpolated: yes
**** Resolved at the camera's position.
**** Replaces Biome {{cd|effects.fog_color}} field.
*** Note: the final value is also affected by the time of day, weather, and potion effects.
** {{cd|minecraft:visual/extra_fog}}
*** Controls whether dense fog (like that of the Nether) should be used (when the camera is not submerged in another substance).
**** Value type: boolean
**** Default value: {{cd|false}}
**** Modifiers: Boolean Modifiers
**** Interpolated: no
**** Resolved at the camera's position.
** {{cd|minecraft:visual/water_fog_color}}
*** The color of fog when submerged in water.
**** Value type: RGB color
**** Default value: {{cd|#050533}}
**** Modifiers: Color Modifiers
**** Interpolated: yes
**** Resolved at the camera's position.
**** Replaces Biome {{cd|effects.water_fog_color}} field.
*** Note: the final value is also affected by the time of day, weather, and potion effects.
** {{cd|minecraft:visual/water_fog_radius}}
*** The distance in blocks from the camera at which underwater fog reaches its maximum density.
**** Value type: non-negative float
**** Default value: {{cd|96.0}}
**** Modifiers: Float Modifiers
**** Interpolated: yes
**** Resolved at the camera's position.
**** Replaces {{cd|#has_closer_water_fog}} Biome Tag.
*** Note: the final value is also modified by how long the player has been underwater.
** {{cd|minecraft:visual/sky_color}}
*** The color of the sky. This color is only visible for the overworld sky.
**** Value type: RGB color
**** Default value: {{cd|#000000}}
**** Modifiers: Color Modifiers
**** Interpolated: yes
**** Resolved at the camera's position.
**** Replaces Biome {{cd|effects.sky_color}} field.
*** Note: the final value is also affected by the time of day and weather.
** {{cd|minecraft:visual/cloud_opacity}}
*** The opacity of clouds. If {{cd|0}}, clouds are entirely disabled and [[Minecraft:happy ghast]]s will not regenerate health faster when at cloud height.
**** Value type: float between 0 and 1
**** Default value: {{cd|0.0}}
**** Modifiers: Float Modifiers
**** Interpolated: yes
**** Resolved at the camera's position for rendering, or at the position of a [[Minecraft:happy ghast]] for regeneration.
** {{cd|minecraft:visual/cloud_height}}
*** The height at which all clouds appear.
**** Value type: float
**** Default value: {{cd|192.33}}
**** Modifiers: Float Modifiers
**** Interpolated: yes
**** Resolved at the camera's position for rendering, or at the position of a [[Minecraft:happy ghast]] for regeneration.
**** Replaces Dimension Type {{cd|cloud_height}} field.
** {{cd|minecraft:visual/default_dripstone_particle}}
*** The default particle to be dripped from [[Minecraft:dripstone block]]s when no fluid is placed above.
**** Value type: Particle Options
**** Default value: {{cd|{type:"minecraft:dripping_dripstone_water"}}}
**** Modifiers: {{cd|override}}
**** Interpolated: no
**** Resolved at the position of the [[Minecraft:dripstone block]].
**** Replaces Dimension Type {{cd|ultrawarm}} field.
** {{cd|minecraft:visual/ambient_particles}}
*** Controls ambient particles that randomly spawn around the camera.
**** Value type: list of objects with fields
***** {{cd|particle}}: Particle Options to spawn.
***** {{cd|probability}}: float between 0 and 1, the probability to spawn the particle in an empty space when randomly ticked.
**** Default value: {{cd|[]}}
**** Modifiers: {{cd|override}}
**** Interpolated: no
**** Resolved at the camera's position.
**** Replaces Biome {{cd|effects.particle}} field.
** {{cd|minecraft:audio/background_music}}
*** Controls how and which background music is played.
**** Value type: object with fields
***** {{cd|default}}: optional object with fields:
****** {{cd|sound}}: Sound Event to play.
****** {{cd|min_delay}}: int, minimum delay in ticks between tracks.
****** {{cd|max_delay}}: int, maximum delay in ticks between tracks.
****** {{cd|replace_current_music}}: optional boolean, whether this track can replace whatever is currently playing.
******* Default: false
****** If not defined and not overridden, no music will start playing while this attribute is active.
***** {{cd|underwater}}: optional object with fields in the same format as default - if present and the player is underwater, will override default.
***** {{cd|creative}}: optional object with fields in the same format as default - if present and the player is in Creative Mode, will override default.
**** Default value: <code>{}</code>
**** Modifiers: {{cd|override}}
**** Interpolated: no
**** Resolved at the camera's position.
**** Replaces Biome {{cd|effects.music}} field.
** {{cd|minecraft:audio/music_volume}}
*** The volume at which music should play. Any music playing will fade over time to this value.
**** Value type: float between 0 and 1
**** Default value: {{cd|1.0}}
**** Modifiers: Float Modifiers
**** Interpolated: no
**** Resolved at the camera's position.
**** Replaces Biome {{cd|effects.music_volume}} field.
** {{cd|minecraft:audio/ambient_sounds}}
*** Controls which ambient sounds are played around the camera, and when.
**** Value type: object with fields
***** {{cd|loop}}: optional Sound Event, sound to be continually looped.
***** {{cd|mood}}: object with fields, sounds that will be randomly played based on surrounding darkness.
****** {{cd|sound}}: Sound Event to play.
****** {{cd|tick_delay}}: int, the number of ticks between mood sounds, assuming a light level of 0.
****** {{cd|block_search_extent}}: int, the radius in which light levels are sampled.
****** {{cd|offset}}: double, an additional distance offset to apply to sounds produced.
***** {{cd|additions}}: list of objects with fields, sounds that will be randomly played.
****** {{cd|sound}}: Sound Event to play
****** {{cd|tick_chance}}: float between 0 and 1, probability within a tick to play a given sound.
**** Default value: <code>{}</code>
**** Modifiers: {{cd|override}}
**** Interpolated: no
**** Resolved at the camera's position.
**** Replaces Biome {{cd|effects.ambient_sound}}, {{cd|effects.mood_sound}}, and {{cd|effects.additions_sound}} fields.
** {{cd|minecraft:gameplay/can_start_raid}}
*** If {{cd|false}}, a [[Minecraft:raid]] cannot be started by a player with [[Minecraft:raid omen]].
**** Value type: boolean
**** Default value: {{cd|true}}
**** Modifiers: Boolean Modifiers
**** Interpolated: no
**** Resolved at the position that the Raid would be started.
**** Replaces Dimension Type {{cd|has_raids}} field.
** {{cd|minecraft:gameplay/water_evaporates}}
*** If {{cd|true}}, [[Minecraft:water]] cannot be placed with a [[Minecraft:bucket]], melting [[Minecraft:ice]] will not produce water, [[Minecraft:wet sponge]] will dry out when placed, and [[Minecraft:dripstone]] will not produce water from [[Minecraft:mud]] blocks.
**** Value type: boolean
**** Default value: {{cd|false}}
**** Modifiers: Boolean Modifiers
**** Interpolated: no
**** Resolved at the position of the interaction.
**** Replaces Dimension Type {{cd|ultrawarm}} field.
** {{cd|minecraft:gameplay/bed_rule}}
*** Controls whether a [[Minecraft:bed]] can be used to sleep, and whether it can be used to set a respawn point.
**** Value type: object with fields.
***** {{cd|can_sleep}}: one of:
****** {{cd|always}} - the bed can always be used to sleep (assuming the bed is not obstructed and there are no monsters nearby).
****** {{cd|when_dark}} - bed bed can only be used to be sleep when the global skylight level is less than 4.
****** {{cd|never}} - the bed can never be used to sleep.
***** {{cd|can_set_spawn}} - same as {{cd|can_sleep}}
***** {{cd|explodes}} - optional boolean, if true the bed will explode when interacted with.
****** Default: {{cd|false}}
***** {{cd|error_message}}: optional Text Component, the message to show if the player is unable to sleep or set their spawn.
**** Default value: {{cd|{type:"can_sleep_when_dark",error_message:{translate:"block.minecraft.bed.no_sleep"}<nowiki/>}<nowiki/>}}
**** Modifiers: {{cd|override}}
**** Interpolated: no
**** Resolved at the head position of the Bed block.
**** Replaces Dimension Type {{cd|bed_works}} field.
** {{cd|minecraft:gameplay/respawn_anchor_works}}
*** Controls whether [[Minecraft:respawn anchor]]s can be used to set spawn (or respawn).
*** If false, the respawn anchor will explode once charged.
**** Value type: boolean
**** Default value: {{cd|false}}
**** Modifiers: Boolean Modifiers
**** Interpolated: no
**** Resolved at the position of the Respawn Anchor block.
**** Replaces Dimension Type {{cd|respawn_anchor_works}} field.
** {{cd|minecraft:gameplay/nether_portal_spawns_piglin}}
*** Controls whether [[Minecraft:nether portal]] blocks can spawn [[Minecraft:piglin]]s.
**** Value type: boolean
**** Default value: {{cd|false}}
**** Modifiers: Boolean Modifiers
**** Interpolated: no
**** Resolved at the position of a random Nether Portal block.
**** Replaces Dimension Type {{cd|natural}} field.
** {{cd|minecraft:gameplay/fast_lava}}
*** Controls whether Lava should spread faster and further, as well as have a stronger pushing force on entities when flowing.
**** Value type: boolean
**** Default value: {{cd|false}}
**** Modifiers: Boolean Modifiers
**** Interpolated: no
**** Resolved for a whole dimension (cannot be specified on a Biome).
**** Replaces Dimension Type {{cd|ultrawarm}} field.
** {{cd|minecraft:gameplay/increased_fire_burnout}}
*** Controls whether fire blocks burn out more rapidly than normal.
**** Value type: boolean
**** Default value: {{cd|false}}
**** Modifiers: Boolean Modifiers
**** Interpolated: no
**** Resolved at the position of the burning Fire block.
**** Replaces {{cd|#increased_fire_burnout}} Biome Tag.
** {{cd|minecraft:gameplay/piglins_zombify}}
*** Controls whether [[Minecraft:piglin]]s and [[Minecraft:hoglin]]s should zombify.
**** Value type: boolean
**** Default value: {{cd|true}}
**** Modifiers: Boolean Modifiers
**** Interpolated: no
**** Resolved at the position of the zombifying entity.
**** Replaces Dimension Type {{cd|piglin_safe}} field.
** {{cd|minecraft:gameplay/snow_golem_melts}}
*** Controls whether a [[Minecraft:snow golem]] should be damaged.
**** Value type: boolean
**** Default value: {{cd|false}}
**** Modifiers: Boolean Modifiers
**** Interpolated: no
**** Resolved at the position of the snow golem.
**** Replaces {{cd|#snow_golem_melts}} Biome Tag.
}}

== Changes ==
=== Items ===
'''[[Minecraft:Elytra]]'''
* Players can now [[Minecraft:glide]] with [[Minecraft:elytra]] through [[Minecraft:cave vine]]s and similar blocks.<ref>{{bug|MC-295949||Flying through vines with an elytra cancels the flight}}</ref>

'''[[Minecraft:Nautilus armor]]'''
* Can now be [[Minecraft:smelted]] in a [[Minecraft:blast furnace]] or [[Minecraft:furnace]].

'''[[Minecraft:Spawn egg]]s'''
* The zombie horse and zombie nautilus spawn eggs now work in [[Minecraft:Peaceful]] worlds.

'''[[Minecraft:Spear]]'''
* Can no longer be used to hit targets through solid blocks.
* Can no longer break item frames with the jab attack.

=== Mobs ===
'''[[Minecraft:Nautilus]]''' and '''[[Minecraft:zombie nautilus]]'''
* Can now be controlled while on land.
* Are now able to despawn when not tamed.

'''[[Minecraft:Piglin]]'''
* Piglins now consider [[Minecraft:golden nautilus armor]] as one of the items they like.

'''[[Minecraft:Skeleton horse]]'''
* No longer burns in sunlight.

'''[[Minecraft:Zombie]]'''
* Now cannot hold another item other than a spear when paired with a zombie horse.

'''[[Minecraft:Zombie horse]]'''
* Can no longer be leashed while being ridden by a jockey.

=== Command format ===
'''General'''
* Resource suggestions now show results in any namespace instead of just within <code>minecraft</code>.

'''{{cmd|stopwatch}}'''
* Switched the order of the {{cd|id}} argument.
** Example: {{cmd|stopwatch foo:bar create}} is now {{cmd|stopwatch create foo:bar}}.
* {{cd|query}} now returns the queried value and takes in a new {{cd|scale}} argument.
** The returned value will be scaled by that argument and truncated.
** The scale is optional and will default to {{cd|1}} if omitted.
** Example: {{cmd|stopwatch query foo:bar 20}} to get the elapsed time in ticks.

=== Gameplay ===
'''[[Minecraft:Advancement]]s'''
* Updated the "[[Minecraft:Oh Shiny]]" advancement to include the [[Minecraft:golden spear]] and [[Minecraft:golden nautilus armor]].

'''[[Minecraft:Enchantment]]s'''
* [[Minecraft:Lunge]] is no longer mutually exclusive with [[Minecraft:Mending]].

=== General ===
'''[[Minecraft:Biome]]s'''
* Underwater biome fog color and fog distance is now blended based on the player's position between biomes, similarly to regular biome fog and sky colors.
* Added new attributes field for biomes to specify Environment Attributes.
** Note: certain attributes, such as gameplay/fast_lava are not evaluated positionally and thus cannot be set on a Biome.
* Many subfields under effects have been migrated to Environment Attributes:
** Note: the form of these attributes may not be identical to the original fields.
** {{cd|fog_color}} -> {{cd|minecraft:visual/fog_color}}
** {{cd|water_fog_color}} -> {{cd|minecraft:visual/water_fog_color}}
** {{cd|sky_color}} -> {{cd|minecraft:visual/sky_color}}
** {{cd|particle}} -> {{cd|minecraft:visual/ambient_particles}}
** {{cd|ambient_sound}}, {{cd|mood_sound}}, {{cd|additions_sound}} -> {{cd|minecraft:audio/ambient_sounds}}
** {{cd|music}} -> {{cd|minecraft:audio/background_music}}
** {{cd|music_volume}} -> {{cd|minecraft:audio/music_volume}}

'''[[Minecraft:Data component format]]'''
* {{cd|minecraft:kinetic_weapon}}
** Added new field:
*** {{cd|contact_cooldown_ticks}}: integer, the cooldown in ticks after hitting, and loosing contact with an entity before being able to hit it again.
**** Default value: {{cd|10}}

'''[[Minecraft:Data pack]]'''
* The [[Minecraft:pack format]] version is now {{cd|90.0}}.

'''[[Minecraft:Dimension type]]s'''
* Added new attributes field for dimensions to specify Environment Attributes.
* Many fields have been migrated to Environment Attributes:
** Note: the form of these attributes may not be identical to the original fields.
** {{cd|ultrawarm}} -> {{cd|minecraft:gameplay/water_evaporates}}, {{cd|minecraft:gameplay/fast_lava}}, {{cd|visual/default_dripstone_particle}}
** {{cd|bed_works}} -> {{cd|minecraft:gameplay/bed_rule}}
** {{cd|respawn_anchor_works}} -> {{cd|minecraft:gameplay/respawn_anchor_works}}
** {{cd|cloud_height}} -> {{cd|minecraft:visual/cloud_height}}
** {{cd|piglin_safe}} -> {{cd|minecraft:gameplay/piglins_zombify}}
** {{cd|has_raids}} -> {{cd|minecraft:gameplay/can_start_raid}}
** {{cd|natural}} (note: not removed) -> {{cd|minecraft:gameplay/nether_portal_spawns_piglin}}

'''[[Minecraft:Minecraft Server Management Protocol]]'''
* Enable authentication from web browsers.
** Authenticate by passing the token in <code>Sec-WebSocket-Protocol</code> header when opening the WebSocket connection.
*** Example: Sec<code>-WebSocket-Protocol: minecraft-v1, <token></code>
** Requests authenticating this way are subject to Origin header checks. This requires configuration of allowed origins on the server side using <code>management-server-allowed-origins</code>. The default value is empty, meaning <code>Sec-Websocket-Protocol</code> authentication is effectively disabled.

'''[[Minecraft:Resource pack]]'''
* The version is now {{cd|70.1}}.

'''[[Minecraft:Tag]]s'''
* Biome Tags
** Removed {{cd|#snow_golem_melts}} and {{cd|#increased_fire_burnout}} - replaced by {{cd|gameplay/snow_golem_melts}} and {{cd|gameplay/increased_fire_burnout}} Environment Attributes.
** Removed {{cd|#plays_underwater_music}} - replaced by {{cd|only_underwater}} field in the {{cd|audio/background_music}} Environment Attribute.
** Removed {{cd|#has_closer_water_fog}} - replaced by {{cd|visual/water_fog_radius}} Environment Attribute.
* Block Tags
** Added {{cd|#cave_vines}} to {{cd|#can_glide_through}} tag.
* Enchantment Tags
** Removed {{cd|#exclusive_set/lunge}} tag.
* Entity Tags
** Added {{cd|d=and|bogged|skeleton|stray|wither_skeleton}} and removed {{cd|#skeletons}} from {{cd|#burn_in_daylight}} tag.
* Item Tags
** Added {{cd|golden_nautilus_armor}} to {{cd|#piglin_loved}} tag.

== Fixes ==
{{fixes|project=MC|fixedin=25w42a
|;From released versions before 1.21
|263562|World types in Realms backup info screen are untranslatable.
|;From 1.21.6
|298405|Text components in the "{{cd|label}}" of input controls in dialogs don't support "{{cd|hover_event}}".
|;From 1.21.8
|299876|Labels for booleans within dialogs are rendered in a slightly different shade of white than normal.
|;From 1.21.9
|301271|Object text components do not render in some places unless there are text glyphs on the same line.
|301518|The mouse cursor doesn’t change to the hand shape when hovering over checkboxes.
|301520|The mouse cursor doesn’t change to the hand shape when hovering over the difficulty lock button.
|301557|The shading direction of the bolts on single and large copper chests does not match.
|301879|Double weathered and waxed weathered copper chests' bottom texture looks off compared to the other variants.
|302071|Single and double copper chests have inconsistent side textures.
|302246|Sprite object component does not render in server list depending on component tree.
|302409|Lightning that strikes waxed lightning rods do not deoxidize nearby unwaxed copper blocks.
|;From 1.21.10
|302816|When running NBT to SNBT conversion, the program waits for 1 minute after completion.
|;prev
|302656|Skeleton horses burn in the sunlight.
|302657|The "{{cd|subtitles.entity.nautilus.eat}}" string misspells the word “Nautilus” as “Nauilus”.
|302664|Piglins aren't attracted to golden nautilus armor.
|302672|"Invalid player data" error when loading a world in which you have an effect applied.
|302680|Zombie horses and zombie nautiluses cannot be spawned in Peaceful difficulty.
|302683|The "Confirm Command Execution" dialog is popped up for commands with a permission level of 0.
|302729|Blast furnaces do not smelt nautilus armor.
|302732|Performing a charge attack with a spear in your off hand applies the effects from the enchantments present on the item held in the main hand.
|302743|Repeatedly using a spear keeps performing charge attacks every 10 ticks.
|302767|Holding a spear in Spectator mode and performing a jab attack plays the jab sound.
|302783|Baby nautiluses use {{cd|#minecraft:nautilus_taming_items}} instead of {{cd|#minecraft:nautilus_food}} for growing up.
|302802|Spear charge attack breaks item frames when still.
|302813|Zombified piglins no longer appear to sprint or make any angry noises when angry.
|302817|Spears with Fire Aspect can ignite victims even when the attacks are blocked.
|302818|Zombie horsemen can occasionally spawn holding something other than an iron spear.
|302827|Spears can jab through walls.
|302834|Wolves' eyes don't turn red when angry.
|302838|Extreme TPS lag when using high Lunge levels with Unbreaking.
|302842|Nautiluses and zombie nautiluses never despawn.
|302920|{{cmd|scoreboard players display}} settings sometimes reset on world load.
|302924|Players can no longer be invited to realms.
|302988|Bees no longer get angry at players or mobs.
|303083|Searching in the resource/data pack selection screens doesn't properly scroll to the results.
|303089|Level 3 operators cannot use client-side operator features.
}}</onlyinclude>

== Trivia ==
* This version has the same protocol version number as [[Minecraft:1.21.10 Release Candidate 1]]. The two versions are not actually compatible; 25w42a crashes when attempting to join a 1.21.10-rc1 world, and 1.21.10-rc1 throws a "Network Protocol Error" message when attempting to join a 25w42a world.

== Videos ==
{{slicedlime|Xb0Mlu81aRU|MvCaASGRvEM}}

== References ==
{{reflist}}

== Navigation ==
{{Navbox Java Edition versions|1.2x}}

[[Minecraft:de:25w42a]]
[[Minecraft:es:Java Edition 25w42a]]
[[Minecraft:fr:Édition Java 25w42a]]
[[Minecraft:ja:Java Edition 25w42a]]
[[Minecraft:lzh:爪哇版二五週四二甲]]
[[Minecraft:pt:Edição Java 25w42a]]
[[Minecraft:ru:25w42a (Java Edition)]]
[[Minecraft:zh:Java版25w42a]]

Minecraft:Java Edition 25w42a - Revision history

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	[[Minecraft:ru:25w42a (Java Edition)]]		[[Minecraft:ru:25w42a (Java Edition)]]
	[[Minecraft:zh:Java版25w42a]]		[[Minecraft:zh:Java版25w42a]]