1.21 — release journal
What 1.21 changed for data packs, measured against 1.21-rc1, the build before it. Released 2024-06-13; full release.
⚠ Entries removed
54 registry entries were removed. A pack that names one of them will fail to parse where it does.
Formats
| 1.21-rc1 | 1.21 | |
|---|---|---|
| Data pack format | 48.0 | 48.0 |
| Resource pack format | 34.0 | 34.0 |
| Data version | 3952 | 3953 |
Registries
1,180 entries added and 54 removed across 4 registries.
| Registry | Change | Added | Removed |
|---|---|---|---|
experiment/trade_rebalance/tag/worldgen/structure | changed | — | on_desert_village_maps, on_jungle_explorer_maps, on_plains_village_maps, on_savanna_village_maps, on_snowy_village_maps, on_swamp_explorer_maps, on_taiga_village_maps |
structure | changed | ancient_city/city/entrance/entrance_connector, ancient_city/city/entrance/entrance_path_1, ancient_city/city/entrance/entrance_path_2, ancient_city/city/entrance/entrance_path_3, ancient_city/city/entrance/entrance_path_4, ancient_city/city/entrance/entrance_path_5, ancient_city/city_center/city_center_1, ancient_city/city_center/city_center_2, ancient_city/city_center/city_center_3, ancient_city/city_center/walls/bottom_1, ancient_city/city_center/walls/bottom_2, ancient_city/city_center/walls/bottom_left_corner, ancient_city/city_center/walls/bottom_right_corner, ancient_city/city_center/walls/bottom_right_corner_1, ancient_city/city_center/walls/bottom_right_corner_2, ancient_city/city_center/walls/left, ancient_city/city_center/walls/right, ancient_city/city_center/walls/top, ancient_city/city_center/walls/top_left_corner, ancient_city/city_center/walls/top_right_corner, ancient_city/structures/barracks, ancient_city/structures/camp_1, ancient_city/structures/camp_2, ancient_city/structures/camp_3, ancient_city/structures/chamber_1, ancient_city/structures/chamber_2, ancient_city/structures/chamber_3, ancient_city/structures/ice_box_1, ancient_city/structures/large_pillar_1, ancient_city/structures/large_ruin_1, ancient_city/structures/medium_pillar_1, ancient_city/structures/medium_ruin_1, ancient_city/structures/medium_ruin_2, ancient_city/structures/sauna_1, ancient_city/structures/small_ruin_1, ancient_city/structures/small_ruin_2, ancient_city/structures/small_statue, ancient_city/structures/tall_ruin_1, ancient_city/structures/tall_ruin_2, ancient_city/structures/tall_ruin_3, ancient_city/structures/tall_ruin_4, ancient_city/walls/intact_corner_wall_1, ancient_city/walls/intact_horizontal_wall_1, ancient_city/walls/intact_horizontal_wall_2, ancient_city/walls/intact_horizontal_wall_bridge, ancient_city/walls/intact_horizontal_wall_passage_1, ancient_city/walls/intact_horizontal_wall_stairs_1, ancient_city/walls/intact_horizontal_wall_stairs_2, ancient_city/walls/intact_horizontal_wall_stairs_3, ancient_city/walls/intact_horizontal_wall_stairs_4, ancient_city/walls/intact_intersection_wall_1, ancient_city/walls/intact_lshape_wall_1, ancient_city/walls/ruined_corner_wall_1, ancient_city/walls/ruined_corner_wall_2, ancient_city/walls/ruined_horizontal_wall_stairs_1, ancient_city/walls/ruined_horizontal_wall_stairs_2, ancient_city/walls/ruined_horizontal_wall_stairs_3, ancient_city/walls/ruined_horizontal_wall_stairs_4, bastion/blocks/air, bastion/blocks/gold and 1,120 more | — |
tag/worldgen/structure | changed | — | cats_spawn_as_black, cats_spawn_in, dolphin_located, eye_of_ender_located, mineshaft, ocean_ruin, on_ocean_explorer_maps, on_treasure_maps, on_trial_chambers_maps, on_woodland_explorer_maps, ruined_portal, shipwreck, village |
worldgen/structure | changed | — | ancient_city, bastion_remnant, buried_treasure, desert_pyramid, end_city, fortress, igloo, jungle_pyramid, mansion, mineshaft, mineshaft_mesa, monument, nether_fossil, ocean_ruin_cold, ocean_ruin_warm, pillager_outpost, ruined_portal, ruined_portal_desert, ruined_portal_jungle, ruined_portal_mountain, ruined_portal_nether, ruined_portal_ocean, ruined_portal_swamp, shipwreck, shipwreck_beached, stronghold, swamp_hut, trail_ruins, trial_chambers, village_desert, village_plains, village_savanna, village_snowy, village_taiga |
The official notes
Read the 1.21 article on minecraft.net.
That article's technical changes are grouped under these headings — open it for the detail:
- Server Links
- Custom Server Crash Report Details
- Data Pack Versions 42 Through 48
- Painting Variants
- Jukebox Songs
- Attributes
- Enchantments
- Enchantment Providers
- Damage Types
- Tags
- Loot Tables
- Predicates
- Attributes
- Block Predicates (World Generation Style)
- Entity Data
- Item Components
- Structures
- Commands
- Resource Pack Versions 33 Through 34
- Shaders
In the journal
← 1.21-rc1 · All builds · 1.21.1-rc1 →
Sources
- misode/mcmeta — 1.21 summary — formats and registries, generated from the game’s own data.
- minecraft.net — 1.21 — section names only.