The Minecraft 1.21.7 Release Candidate 2 addresses several critical issues that emerged after RC1, ensuring the game is stable and properly aligned with updated data and resource pack formats. This version is part of the final polish phase for Minecraft 1.21.7 and ensures compatibility for players, server operators, and resource pack creators ahead of the full release.
In particular, this candidate resolves issues related to pack format mismatches, graphics crashes on AMD devices, and server crashes tied to complex mob behavior like turtle-riding entities.
Features:
- Data Pack Format updated to version 81
- Resource Pack Format updated to version 64
- These changes reflect breaking format updates introduced in RC1, now correctly versioned to prevent compatibility issues
Bug Fixes:
From Minecraft 1.21.6:
- MC-298879 – Fixed a startup crash on AMD graphics cards
- MC-299110 – Resolved issue where force upgrading worlds didn’t update the
DataVersionfield - MC-299126 – Fixed server crash when certain mobs attempted to ride turtles
From 1.21.7 Release Candidate 1:
- MC-299130 – Corrected missing pack format versioning after breaking changes in RC1
Screenshots:
Requires:
How to install:
- Please visit the following link for full instructions: How To Download & Install Minecraft Snapshots
Why use Minecraft 1.21.7 Release Candidate 2?
This update is crucial for ensuring that Minecraft 1.21.7 is fully stable and compatible with updated packs and systems. It addresses overlooked technical issues in RC1, especially related to modding, world conversion, and graphics hardware support. If you’re testing or preparing content for the final release, RC2 is the correct environment to validate against.
- Ensures pack creators can correctly version their content before release
- Fixes important crash bugs, particularly for AMD users
- Prevents server instability due to mob behavior edge cases
- Final version to test pack format compatibility before 1.21.7 rolls out
FAQs
Why was this release candidate necessary?
RC2 corrects pack format versioning that was missed in RC1, along with critical crash fixes that needed to be resolved before full release.
Do I need to update my data or resource packs?
Yes, packs must now target version 81 (data) and 64 (resource) to remain compatible with 1.21.7 and future versions.
Is this version safe for existing worlds?
Yes, but as always, it’s best to back up your worlds before using a release candidate. RC2 improves versioning when force-upgrading worlds.
Will this fix crashes on my AMD GPU?
Yes, MC-298879 specifically addresses startup crashes affecting AMD graphics users.
When will the full version of 1.21.7 be released?
Typically, full releases follow shortly after the final release candidate, assuming no new issues are found.
Download links
- Client:download Download file
- Server:download Download file
