19w39a — release journal
What 19w39a changed for data packs, measured against 19w38b, the build before it. Released 2019-09-27; 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
| 19w38b | 19w39a | |
|---|---|---|
| Data pack format | 4.0 | 4.0 |
| Resource pack format | 4.0 | 4.0 |
| Data version | 2206 | 2207 |
Registries
No registry gained, lost or changed an entry.
The official notes
Read the 19w39a article on minecraft.net.
The article has no technical-changes section — it lists bug fixes only, or predates that heading.
Minecraft Wiki page for 19w39a.
In the journal
← 19w38b · All builds · 19w40a →
Sources
- misode/mcmeta — 19w39a summary — formats and registries, generated from the game’s own data.
- minecraft.net — 19w39a — section names only.