26.1 Pre-Release 2 — release journal
What 26.1-pre-2 changed for data packs, measured against 26.1-pre-1, the build before it. Released 2026-03-13; development build — not a release.
💡 No measured change
Same data pack format, same registries. That is the strongest safe-for-data-packs signal a diff can give, and it is still not proof — behaviour changes and bug fixes are invisible to it.
Formats
| 26.1-pre-1 | 26.1-pre-2 | |
|---|---|---|
| Data pack format | 101.0 | 101.0 |
| Resource pack format | 84.0 | 84.0 |
| Data version | 4780 | 4781 |
Registries
No registry gained, lost or changed an entry.
The official notes
Read the 26.1 Pre-Release 2 article on minecraft.net.
That article's technical changes are grouped under these headings — open it for the detail:
- Text components
Minecraft Wiki page for 26.1-pre-2.
In the journal
← 26.1-pre-1 · All builds · 26.1-pre-3 →
Sources
- misode/mcmeta — 26.1-pre-2 summary — formats and registries, generated from the game’s own data.
- minecraft.net — 26.1 Pre-Release 2 — section names only.