1.21.11 Pre-Release 4 — release journal
What 1.21.11-pre4 changed for data packs, measured against 1.21.11-pre3, the build before it. Released 2025-12-01; 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
| 1.21.11-pre3 | 1.21.11-pre4 | |
|---|---|---|
| Data pack format | 94.0 | 94.1 moved |
| Resource pack format | 75.0 | 75.0 |
| Data version | 4665 | 4666 |
Registries
No registry gained, lost or changed an entry.
The official notes
Read the 1.21.11 Pre-Release 4 article on minecraft.net.
That article's technical changes are grouped under these headings — open it for the detail:
- Data Pack Version 94.1
- Item Components
Minecraft Wiki page for 1.21.11-pre4.
In the journal
← 1.21.11-pre3 · All builds · 1.21.11-pre5 →
Sources
- misode/mcmeta — 1.21.11-pre4 summary — formats and registries, generated from the game’s own data.
- minecraft.net — 1.21.11 Pre-Release 4 — section names only.