26.4 Snapshot 1 — release journal
What 26.4-snapshot-1 changed for data packs, measured against 26.3, the build before it. Released 2026-09-22; development build — not a release.
📌 Additive
3 entries added and nothing removed. Existing packs keep their references; new content is available.
Formats
| 26.3 | 26.4-snapshot-1 | |
|---|---|---|
| Data pack format | 121.0 | 122.0 moved |
| Resource pack format | 97.1 | 98.0 moved |
| Data version | 5023 | 5119 |
Registries
3 entries added and 0 removed across 2 registries.
| Registry | Change | Added | Removed |
|---|---|---|---|
chunk_status | changed | noise_biomes | — |
tag/worldgen/biome | changed | generated_in_below_zero_retrogen, is_cave | — |
The official notes
Read the 26.4 Snapshot 1 article on minecraft.net.
That article's technical changes are grouped under these headings — open it for the detail:
- Network Protocol
- Dedicated Server Properties
- Data Pack Version 122.0
- Commands
- World Generation
- Tags
- Resource Pack Version 98.0
- Shaders & Post-process Effects
In the journal
← 26.3 · All builds · 26.4-snapshot-2 →
Sources
- misode/mcmeta — 26.4-snapshot-1 summary — formats and registries, generated from the game’s own data.
- minecraft.net — 26.4 Snapshot 1 — section names only.