1.20.4 Release Candidate 1 — release journal

What 1.20.4-rc1 changed for data packs, measured against 1.20.3, the build before it. Released 2023-12-06; 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

1.20.31.20.4-rc1
Data pack format26.026.0
Resource pack format22.022.0
Data version36983699

Registries

No registry gained, lost or changed an entry.

The official notes

Read the 1.20.4 Release Candidate 1 article on minecraft.net.

The article has no technical-changes section — it lists bug fixes only, or predates that heading.

Minecraft Wiki page for 1.20.4-rc1.

In the journal

← 1.20.3 · All builds · 1.20.4 →

Sources