26.1 Snapshot 4 — release journal

What 26.1-snapshot-4 changed for data packs, measured against 26.1-snapshot-3, the build before it. Released 2026-01-20; development build — not a release.

⚠ Entries removed

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

Formats

	26.1-snapshot-3	26.1-snapshot-4
Data pack format	97.0	97.1 moved
Resource pack format	78.0	78.1 moved
Data version	4767	4768

Registries

60 entries added and 8 removed across 6 registries.

Registry	Change	Added	Removed
`experiment/trade_rebalance/villager_trade`	changed	`armorer/2/emerald_chainmail_boots_group_2`, `armorer/2/emerald_chainmail_chainmail_group_2`, `armorer/2/emerald_chainmail_helmet_group_2`, `armorer/2/emerald_chainmail_leggings_group_2`, `armorer/2/emerald_iron_boots_group_1`, `armorer/2/emerald_iron_chestplate_group_1`, `armorer/2/emerald_iron_helmet_group_1`, `armorer/2/emerald_iron_leggings_group_1`	`armorer/2/emerald_enchanted_chainmail_boots_group_2`, `armorer/2/emerald_enchanted_chainmail_chainmail_group_2`, `armorer/2/emerald_enchanted_chainmail_helmet_group_2`, `armorer/2/emerald_enchanted_chainmail_leggings_group_2`, `armorer/2/emerald_enchanted_iron_boots_group_1`, `armorer/2/emerald_enchanted_iron_chestplate_group_1`, `armorer/2/emerald_enchanted_iron_helmet_group_1`, `armorer/2/emerald_enchanted_iron_leggings_group_1`
`sound`	changed	`mob/horse/baby_horse/ambient1`, `mob/horse/baby_horse/ambient2`, `mob/horse/baby_horse/ambient3`, `mob/horse/baby_horse/ambient4`, `mob/horse/baby_horse/ambient5`, `mob/horse/baby_horse/ambient7`, `mob/horse/baby_horse/ambient8`, `mob/horse/baby_horse/ambient9`, `mob/horse/baby_horse/angry`, `mob/horse/baby_horse/death`, `mob/horse/baby_horse/eat1`, `mob/horse/baby_horse/eat2`, `mob/horse/baby_horse/eat3`, `mob/horse/baby_horse/eat4`, `mob/horse/baby_horse/eat5`, `mob/horse/baby_horse/fall`, `mob/horse/baby_horse/hurt1`, `mob/horse/baby_horse/hurt2`, `mob/horse/baby_horse/hurt3`, `mob/horse/baby_horse/step1`, `mob/horse/baby_horse/step2`, `mob/horse/baby_horse/step3`, `mob/horse/baby_horse/step4`, `mob/horse/baby_horse/step5`, `mob/horse/baby_horse/step6`	—
`sound_event`	changed	`entity.baby_horse.ambient`, `entity.baby_horse.angry`, `entity.baby_horse.breathe`, `entity.baby_horse.death`, `entity.baby_horse.eat`, `entity.baby_horse.hurt`, `entity.baby_horse.land`, `entity.baby_horse.step`	—
`tag/block`	changed	`supports_melon_stem_fruit`, `supports_pumpkin_stem_fruit`, `supports_stem_fruit`	—
`texture`	changed	`entity/horse/donkey_baby`, `entity/horse/horse_black_baby`, `entity/horse/horse_brown_baby`, `entity/horse/horse_chestnut_baby`, `entity/horse/horse_creamy_baby`, `entity/horse/horse_darkbrown_baby`, `entity/horse/horse_gray_baby`, `entity/horse/horse_markings_blackdots_baby`, `entity/horse/horse_markings_white_baby`, `entity/horse/horse_markings_whitedots_baby`, `entity/horse/horse_markings_whitefield_baby`, `entity/horse/horse_skeleton_baby`, `entity/horse/horse_white_baby`, `entity/horse/horse_zombie_baby`, `entity/horse/mule_baby`	—
`world_clock`	changed	`the_end`	—

The official notes

Read the 26.1 Snapshot 4 article on minecraft.net.

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

Data Pack Version 97.1
World Clocks
Tags
Resource Pack Version 78.1
Entity Textures

Minecraft Wiki page for 26.1-snapshot-4.

In the journal

← 26.1-snapshot-3 · All builds · 26.1-snapshot-5 →

Sources

misode/mcmeta — 26.1-snapshot-4 summary — formats and registries, generated from the game’s own data.
minecraft.net — 26.1 Snapshot 4 — section names only.