24w21b — release journal
What 24w21b changed for data packs, measured against 24w21a, the build before it. Released 2024-05-22; 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
| 24w21a | 24w21b | |
|---|---|---|
| Data pack format | 45.0 | 45.0 |
| Resource pack format | 34.0 | 34.0 |
| Data version | 3946 | 3947 |
Registries
No registry gained, lost or changed an entry.
The official notes
This build has no article at its own address. Its notes are part of Minecraft Snapshot 24w21b, which covers it — checked, not assumed: that article names 24w21b.
That article's technical changes are grouped under these headings — open it for the detail:
- Gamerules
- Server links
- Custom server crash report details
- Data Pack Version 45
- Jukebox Songs
- Attributes
- Enchantments
- Tags
- Predicates
- Commands
- Resource Pack Version 34
- Shaders
Minecraft Wiki page for 24w21b.
In the journal
← 24w21a · All builds · 1.21-pre1 →
Sources
- misode/mcmeta — 24w21b summary — formats and registries, generated from the game’s own data.
- minecraft.net — Minecraft Snapshot 24w21b — section names only.