1.21.6 — release journal
What 1.21.6 changed for data packs, measured against 1.21.6-rc1, the build before it. Released 2025-06-17; full release.
📌 Additive
2 entries added and nothing removed. Existing packs keep their references; new content is available.
Formats
| 1.21.6-rc1 | 1.21.6 | |
|---|---|---|
| Data pack format | 80.0 | 80.0 |
| Resource pack format | 63.0 | 63.0 |
| Data version | 4434 | 4435 |
Registries
2 entries added and 0 removed across 1 registry.
| Registry | Change | Added | Removed |
|---|---|---|---|
lang | changed | qcb_es, qid | — |
The official notes
Read the 1.21.6 article on minecraft.net.
That article's technical changes are grouped under these headings — open it for the detail:
- Data Pack Versions 72 Through 80
- Commands
- Waypoint Broadcasting
- Dialogs
- Text Components
- Game Rules
- Attributes
- Data Components
- Entity Data
- Advancements
- Tags
- Resource Pack Versions 56 Through 63
- Waypoint Styles
- Sounds
- UI Sprites
- Font
- Equipment Assets
- Item Models
- Block Models
- Shaders & Post-process Effects
Minecraft Wiki page for 1.21.6.
In the journal
← 1.21.6-rc1 · All builds · 1.21.7-rc1 →
Sources
- misode/mcmeta — 1.21.6 summary — formats and registries, generated from the game’s own data.
- minecraft.net — 1.21.6 — section names only.