1.21.2 Pre-Release 5 — release journal

What 1.21.2-pre5 changed for data packs, measured against 1.21.2-pre4, the build before it. Released 2024-10-16; 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

1.21.2-pre41.21.2-pre5
Data pack format57.057.0
Resource pack format42.042.0
Data version40764077

Registries

No registry gained, lost or changed an entry.

The official notes

Read the 1.21.2 Pre-Release 5 article on minecraft.net.

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

Minecraft Wiki page for 1.21.2-pre5.

In the journal

← 1.21.2-pre4 · All builds · 1.21.2-rc1 →

Sources