Snapshot 25w34a — release journal
What 25w34a changed for data packs, measured against 25w33a, the build before it. Released 2025-08-19; development build — not a release.
⚠ Entries removed
1 registry entry was removed. A pack that names one of them will fail to parse where it does.
Formats
| 25w33a | 25w34a | |
|---|---|---|
| Data pack format | 83.1 | 84.0 moved |
| Resource pack format | 65.2 | 66.0 moved |
| Data version | 4538 | 4539 |
Registries
0 entries added and 1 removed across 1 registry.
| Registry | Change | Added | Removed |
|---|---|---|---|
block_type | changed | — | fletching_table |
The official notes
Read the Snapshot 25w34a article on minecraft.net.
That article's technical changes are grouped under these headings — open it for the detail:
- Data Pack Version 84.0
- Block States
- Commands
- Data Components
- Block Entity Data
- Text components
- Resource Pack Version 66.0
Minecraft Wiki page for 25w34a.
In the journal
← 25w33a · All builds · 25w34b →
Sources
- misode/mcmeta — 25w34a summary — formats and registries, generated from the game’s own data.
- minecraft.net — Snapshot 25w34a — section names only.