1.21.11 Pre-Release 1 — release journal

What 1.21.11-pre1 changed for data packs, measured against 25w46a, the build before it. Released 2025-11-19; development build — not a release.

⚠ Entries removed

2 registry entries were removed. A pack that names one of them will fail to parse where it does.

Formats

	25w46a	1.21.11-pre1
Data pack format	93.1	94.0 moved
Resource pack format	74.0	75.0 moved
Data version	4662	4663

Registries

69 entries added and 2 removed across 5 registries.

Registry	Change	Added	Removed
`data_component_type`	changed	`attack_range`	—
`memory_module_type`	changed	`spear_charge_position`, `spear_engage_time`, `spear_fleeing_position`, `spear_fleeing_time`, `spear_status`	—
`sound`	changed	`mob/baby_nautilus/ambient_land1`, `mob/baby_nautilus/ambient_land2`, `mob/baby_nautilus/ambient_land3`, `mob/baby_nautilus/ambient_land4`, `mob/baby_nautilus/death_land`, `mob/baby_nautilus/hurt_land1`, `mob/baby_nautilus/hurt_land2`, `mob/baby_nautilus/hurt_land3`, `mob/baby_nautilus/hurt_land4`, `mob/nautilus/ambient_land1`, `mob/nautilus/ambient_land2`, `mob/nautilus/ambient_land3`, `mob/nautilus/ambient_land4`, `mob/nautilus/ambient_land5`, `mob/nautilus/ambient_land6`, `mob/nautilus/ambient_land7`, `mob/nautilus/dash_land1`, `mob/nautilus/dash_land2`, `mob/nautilus/dash_land3`, `mob/nautilus/dash_land4`, `mob/nautilus/dash_ready_land1`, `mob/nautilus/dash_ready_land2`, `mob/nautilus/dash_ready_land3`, `mob/nautilus/dash_ready_land4`, `mob/nautilus/death_land`, `mob/nautilus/hurt_land1`, `mob/nautilus/hurt_land2`, `mob/nautilus/hurt_land3`, `mob/nautilus/hurt_land4`, `mob/zombie_nautilus/ambient_land1`, `mob/zombie_nautilus/ambient_land2`, `mob/zombie_nautilus/ambient_land3`, `mob/zombie_nautilus/ambient_land4`, `mob/zombie_nautilus/ambient_land5`, `mob/zombie_nautilus/ambient_land6`, `mob/zombie_nautilus/dash_land1`, `mob/zombie_nautilus/dash_land2`, `mob/zombie_nautilus/dash_land3`, `mob/zombie_nautilus/dash_land4`, `mob/zombie_nautilus/dash_ready_land1`, `mob/zombie_nautilus/dash_ready_land2`, `mob/zombie_nautilus/dash_ready_land3`, `mob/zombie_nautilus/dash_ready_land4`, `mob/zombie_nautilus/death_land`, `mob/zombie_nautilus/hurt_land1`, `mob/zombie_nautilus/hurt_land2`, `mob/zombie_nautilus/hurt_land3`, `mob/zombie_nautilus/hurt_land4`	`item/underwater_saddle/underwater_equip`, `mob/baby_nautilus/ambient7`
`sound_event`	changed	`entity.baby_nautilus.ambient_land`, `entity.baby_nautilus.death_land`, `entity.baby_nautilus.hurt_land`, `entity.nautilus.ambient_land`, `entity.nautilus.dash_land`, `entity.nautilus.dash_ready_land`, `entity.nautilus.death_land`, `entity.nautilus.hurt_land`, `entity.zombie_nautilus.ambient_land`, `entity.zombie_nautilus.dash_land`, `entity.zombie_nautilus.dash_ready_land`, `entity.zombie_nautilus.death_land`, `entity.zombie_nautilus.hurt_land`	—
`texture`	changed	`entity/equipment/horse_body/leather_overlay`, `item/leather_horse_armor_overlay`	—

The official notes

Read the 1.21.11 Pre-Release 1 article on minecraft.net.

That article's technical changes are grouped under these headings — open it for the detail:

Data Pack Versions 94.0
Item Components
Tags
Resource Pack Versions 75.0
Item Sprites
Textures
Entity Textures
Sounds

Minecraft Wiki page for 1.21.11-pre1.

In the journal

← 25w46a · All builds · 1.21.11-pre2 →

Sources

misode/mcmeta — 1.21.11-pre1 summary — formats and registries, generated from the game’s own data.
minecraft.net — 1.21.11 Pre-Release 1 — section names only.