26.3 Pre-Release 3 — release journal
What 26.3-pre-3 changed for data packs, measured against 26.3-pre-2, the build before it. Released 2026-09-08; development build — not a release.
⚠ Format moved, no registry changed
The data pack format moved but no registry entry changed. That is not a no-op: the change is in file schemas — field shapes and required keys — which a registry diff cannot see. Read the article's technical sections below.
Formats
| 26.3-pre-2 | 26.3-pre-3 | |
|---|---|---|
| Data pack format | 120.0 | 121.0 moved |
| Resource pack format | 97.1 | 97.1 |
| Data version | 5018 | 5019 |
Registries
No registry gained, lost or changed an entry.
The official notes
Read the 26.3 Pre-Release 3 article on minecraft.net.
That article's technical changes are grouped under these headings — open it for the detail:
- Number Providers
In the journal
← 26.3-pre-2 · All builds · 26.3-rc-1 →
Sources
- misode/mcmeta — 26.3-pre-3 summary — formats and registries, generated from the game’s own data.
- minecraft.net — 26.3 Pre-Release 3 — section names only.