Datapack Codex

26.3 Snapshot 10 — release journal

What 26.3-snapshot-10 changed for data packs, measured against 26.3-snapshot-9, the build before it. Released 2026-08-25; development build — not a release.

⚠ Entries removed

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

Formats

26.3-snapshot-926.3-snapshot-10
Data pack format117.0118.0 moved
Resource pack format96.097.0 moved
Data version50115015

Registries

48 entries added and 32 removed across 15 registries.

RegistryChangeAddedRemoved
block_transformernew registryaxe, hoe, shovel—
chunk_statuschangedterraincarvers, noise, surface
command_argument_typechangednumber_provider—
itemchangedburied_trial_chambers_map, jungle_pyramid_map, ocean_monument_map, swamp_hut_map, woodland_mansion_mapjungle_explorer_map, ocean_explorer_map, swamp_explorer_map, trial_explorer_map, woodland_explorer_map
item_definitionchangedburied_trial_chambers_map, jungle_pyramid_map, ocean_monument_map, swamp_hut_map, woodland_mansion_mapjungle_explorer_map, ocean_explorer_map, swamp_explorer_map, trial_explorer_map, woodland_explorer_map
modelchangeditem/buried_trial_chambers_map, item/jungle_pyramid_map, item/ocean_monument_map, item/swamp_hut_map, item/woodland_mansion_mapitem/jungle_explorer_map, item/ocean_explorer_map, item/swamp_explorer_map, item/trial_explorer_map, item/woodland_explorer_map
tag/blockchangedconduit_effect_block, nether_portal_frame—
tag/fluidchangedaxolotl_tries_to_find, dolphin_tries_to_find, entity_floatable, frog_tries_to_find_land_near—
tag/worldgen/structurechangedon_buried_trial_chambers_maps, on_jungle_pyramid_maps, on_ocean_monument_maps, on_swamp_hut_maps, on_woodland_mansion_mapson_jungle_explorer_maps, on_ocean_explorer_maps, on_swamp_explorer_maps, on_trial_chambers_maps, on_woodland_explorer_maps
texturechangedgui/realms/friends, gui/realms/minigames, gui/realms/private_server, gui/sprites/widget/realms_button, gui/sprites/widget/realms_button_disabled, gui/sprites/widget/realms_button_highlighted, item/buried_trial_chambers_map, item/jungle_pyramid_mapitem/jungle_temple_map, item/trial_chamber_map
villager_tradechangedcartographer/3/emerald_and_compass_buried_trial_chambers_map, cartographer/3/emerald_and_compass_ocean_monument_mapcartographer/3/emerald_and_compass_ocean_explorer_map, cartographer/3/emerald_and_compass_trial_chamber_map
worldgen/density_functionchangedoverworld/chunk_surface_level, overworld_amplified/chunk_surface_level, overworld_large_biomes/chunk_surface_level—
worldgen/density_function_typechangedcachecache_2d, cache_all_in_cell, cache_once, flat_cache, shifted_noise
worldgen/material_rulechangedoverworld/copper_ore_vein, overworld/iron_ore_vein—
worldgen/material_rule_typechangedore_vein—

The official notes

Read the 26.3 Snapshot 10 article on minecraft.net.

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

In the journal

← 26.3-snapshot-9 · All builds · 26.3-pre-1 →

Sources