25w41a — release journal
What 25w41a changed for data packs, measured against 1.21.10, the build before it. Released 2025-10-09; development build — not a release.
⚠ Entries removed
6 registry entries were removed. A pack that names one of them will fail to parse where it does.
Formats
| 1.21.10 | 25w41a | |
|---|---|---|
| Data pack format | 88.0 | 89.0 moved |
| Resource pack format | 69.0 | 70.0 moved |
| Data version | 4556 | 4653 |
Registries
250 entries added and 6 removed across 28 registries.
| Registry | Change | Added | Removed |
|---|---|---|---|
permission_check_type | new registry | always_pass, require | — |
permission_type | new registry | atom, command_level | — |
advancement | changed | recipes/combat/copper_spear, recipes/combat/diamond_spear, recipes/combat/golden_spear, recipes/combat/iron_spear, recipes/combat/netherite_nautilus_armor_smithing, recipes/combat/netherite_spear_smithing, recipes/combat/stone_spear, recipes/combat/wooden_spear | — |
atlas | changed | celestials | — |
damage_type | changed | spear | — |
data_component_type | changed | damage_type, kinetic_weapon, minimum_attack_charge, piercing_weapon, swing_animation, use_effects | — |
enchantment | changed | lunge | — |
enchantment_effect_component_type | changed | post_piercing_attack | — |
enchantment_entity_effect_type | changed | apply_impulse | — |
enchantment_level_based_value_type | changed | exponent | — |
enchantment_value_effect_type | changed | exponential | — |
entity_type | changed | nautilus, zombie_nautilus | — |
item | changed | copper_nautilus_armor, copper_spear, diamond_nautilus_armor, diamond_spear, golden_nautilus_armor, golden_spear, iron_nautilus_armor, iron_spear, nautilus_spawn_egg, netherite_nautilus_armor, netherite_spear, stone_spear, wooden_spear, zombie_nautilus_spawn_egg | — |
item_definition | changed | copper_nautilus_armor, copper_spear, diamond_nautilus_armor, diamond_spear, golden_nautilus_armor, golden_spear, iron_nautilus_armor, iron_spear, nautilus_spawn_egg, netherite_nautilus_armor, netherite_spear, stone_spear, wooden_spear, zombie_nautilus_spawn_egg | — |
loot_table | changed | entities/nautilus, entities/zombie_nautilus | — |
memory_module_type | changed | attack_target_cooldown, charge_cooldown_ticks | — |
mob_effect | changed | breath_of_the_nautilus | — |
model | changed | item/copper_nautilus_armor, item/copper_spear, item/copper_spear_in_hand, item/diamond_nautilus_armor, item/diamond_spear, item/diamond_spear_in_hand, item/golden_nautilus_armor, item/golden_spear, item/golden_spear_in_hand, item/iron_nautilus_armor, item/iron_spear, item/iron_spear_in_hand, item/nautilus_spawn_egg, item/netherite_nautilus_armor, item/netherite_spear, item/netherite_spear_in_hand, item/spear_in_hand, item/stone_spear, item/stone_spear_in_hand, item/wooden_spear, item/wooden_spear_in_hand, item/zombie_nautilus_spawn_egg | — |
outgoing_rpc_methods | changed | notification/server/activity | — |
recipe | changed | copper_spear, diamond_spear, golden_spear, iron_spear, netherite_nautilus_armor_smithing, netherite_spear_smithing, stone_spear, wooden_spear | — |
sensor_type | changed | nautilus_temptations | — |
sound | changed | item/spear/attack1, item/spear/attack2, item/spear/attack3, item/spear/hit1, item/spear/hit2, item/spear/hit3, item/spear/lunge1, item/spear/lunge2, item/spear/lunge3, item/spear/use, item/spear/wood/attack1, item/spear/wood/attack2, item/spear/wood/attack3, item/spear/wood/hit1, item/spear/wood/hit2, item/spear/wood/hit3, item/spear/wood/use, mob/baby_nautilus/ambient1, mob/baby_nautilus/ambient2, mob/baby_nautilus/ambient3, mob/baby_nautilus/ambient4, mob/baby_nautilus/ambient5, mob/baby_nautilus/ambient6, mob/baby_nautilus/ambient7, mob/baby_nautilus/death, mob/baby_nautilus/eat1, mob/baby_nautilus/eat2, mob/baby_nautilus/hurt1, mob/baby_nautilus/hurt2, mob/baby_nautilus/hurt3, mob/baby_nautilus/hurt4, mob/horse/zombie/angry, mob/nautilus/ambient1, mob/nautilus/ambient2, mob/nautilus/ambient3, mob/nautilus/ambient4, mob/nautilus/ambient5, mob/nautilus/ambient6, mob/nautilus/ambient7, mob/nautilus/ambient8, mob/nautilus/dash1, mob/nautilus/dash2, mob/nautilus/dash3, mob/nautilus/dash4, mob/nautilus/dash_ready1, mob/nautilus/dash_ready2, mob/nautilus/dash_ready3, mob/nautilus/death, mob/nautilus/eat1, mob/nautilus/eat2, mob/nautilus/hurt1, mob/nautilus/hurt2, mob/nautilus/hurt3, mob/nautilus/hurt4, mob/zombie_nautilus/ambient1, mob/zombie_nautilus/ambient2, mob/zombie_nautilus/ambient3, mob/zombie_nautilus/ambient4, mob/zombie_nautilus/ambient5, mob/zombie_nautilus/dash_ready1 and 9 more | — |
sound_event | changed | entity.baby_nautilus.ambient, entity.baby_nautilus.death, entity.baby_nautilus.eat, entity.baby_nautilus.hurt, entity.baby_nautilus.swim, entity.nautilus.ambient, entity.nautilus.dash, entity.nautilus.dash_ready, entity.nautilus.death, entity.nautilus.eat, entity.nautilus.hurt, entity.nautilus.swim, entity.zombie_horse.angry, entity.zombie_nautilus.ambient, entity.zombie_nautilus.dash, entity.zombie_nautilus.dash_ready, entity.zombie_nautilus.death, entity.zombie_nautilus.eat, entity.zombie_nautilus.hurt, entity.zombie_nautilus.swim, item.armor.equip_nautilus, item.armor.unequip_nautilus, item.spear.attack, item.spear.hit, item.spear.lunge_1, item.spear.lunge_2, item.spear.lunge_3, item.spear.use, item.spear_wood.attack, item.spear_wood.hit, item.spear_wood.use | — |
tag/block | changed | can_glide_through | — |
tag/enchantment | changed | exclusive_set/lunge | — |
tag/entity_type | changed | burn_in_daylight, can_wear_nautilus_armor, nautilus_hostiles | — |
tag/item | changed | enchantable/lunge, enchantable/melee_weapon, enchantable/sweeping, nautilus_bucket_food, nautilus_food, nautilus_taming_items, spears, zombie_horse_food | enchantable/sword |
texture | changed | entity/equipment/nautilus_body/copper, entity/equipment/nautilus_body/diamond, entity/equipment/nautilus_body/gold, entity/equipment/nautilus_body/iron, entity/equipment/nautilus_body/netherite, entity/equipment/nautilus_saddle/saddle, entity/nautilus/nautilus, entity/nautilus/nautilus_baby, entity/nautilus/zombie_nautilus, environment/celestial/end_flash, environment/celestial/moon/first_quarter, environment/celestial/moon/full_moon, environment/celestial/moon/new_moon, environment/celestial/moon/third_quarter, environment/celestial/moon/waning_crescent, environment/celestial/moon/waning_gibbous, environment/celestial/moon/waxing_crescent, environment/celestial/moon/waxing_gibbous, environment/celestial/sun, gui/sprites/container/inventory/effect_background, gui/sprites/container/inventory/effect_background_ambient, gui/sprites/container/slot/nautilus_armor, gui/sprites/container/slot/spear, item/copper_nautilus_armor, item/copper_spear, item/copper_spear_in_hand, item/diamond_nautilus_armor, item/diamond_spear, item/diamond_spear_in_hand, item/golden_nautilus_armor, item/golden_spear, item/golden_spear_in_hand, item/iron_nautilus_armor, item/iron_spear, item/iron_spear_in_hand, item/nautilus_spawn_egg, item/netherite_nautilus_armor, item/netherite_spear, item/netherite_spear_in_hand, item/stone_spear, item/stone_spear_in_hand, item/wooden_spear, item/wooden_spear_in_hand, item/zombie_nautilus_spawn_egg, mob_effect/breath_of_the_nautilus | environment/end_flash, environment/moon_phases, environment/sun, gui/sprites/container/inventory/effect_background_large, gui/sprites/container/inventory/effect_background_small |
The official notes
Read the 25w41a article on minecraft.net.
That article's technical changes are grouped under these headings — open it for the detail:
- Minecraft Server Management Protocol Version 1.1.0
- Data Pack Version 89.0
- Commands
- Item Components
- Entity Data
- Damage Types
- Predicates
- Enchantments
- Tags
- Resource Pack Version 70.0
- Textures
- Item Sprites
- UI Sprites
- Celestials Atlas
- Mob Effect Sprites
- Entity Textures
- Sounds
- Item Models
Minecraft Wiki page for 25w41a.
In the journal
← 1.21.10 · All builds · 25w42a →
Sources
- misode/mcmeta — 25w41a summary — formats and registries, generated from the game’s own data.
- minecraft.net — 25w41a — section names only.