Upgrading an old world to 21w06a causes chunk borders that expose the void

Resolved

Duplicate

Currently if you open an old world in 21w06a a chunk border will appear under the ground letting you acces the void

Linked issues

You should not be able to access these worlds anyway and this is why.

How were you able to upgrade your world to 21w06a?

Assignee: (Unassigned)

Created: 2021-02-11T17:00:17Z

Updated: 2026-08-20T10:57:46Z

Resolved: 2021-02-11T19:12:28Z

Confirmation Status: Unconfirmed

Affects Versions: 21w06a

Retrieved 2026-10-28T12:32:23Z