26.1 Release Candidate 2 — release journal

What 26.1-rc-2 changed for data packs, measured against 26.1-rc-1, the build before it. Released 2026-03-20; 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

26.1-rc-126.1-rc-2
Data pack format101.1101.1
Resource pack format84.084.0
Data version47834784

Registries

No registry gained, lost or changed an entry.

The official notes

Read the 26.1 Release Candidate 2 article on minecraft.net.

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

Minecraft Wiki page for 26.1-rc-2.

In the journal

← 26.1-rc-1 · All builds · 26.1-rc-3 →

Sources