[MCPE-243995] Packed Ice brick stairs, slabs, walls and chiseled replaces unknown blocks after opening 26.70.22

Packed Ice brick stairs, slabs, walls and chiseled can replace into unknown blocks when opening the world from previous preview version before 26.70.22 Beta & Preview

Addons/Resource packs: no

Attachments: yes

Steps to reproduce

Download the old file from 26.70.21 beta/preview on attachments below
Open Minecraft 26.70.22 Preview then import world (Windows)/ Open this world file to the Minecraft on Android 26.70.22
Open this imported world and observe the issue

Observed result: Packed Ice brick stairs, slabs, walls and chiseled Beings replaced by unknown blocks

Expected Behavior: Packed Ice brick stairs, slabs, walls and chiseled shouldn’t do replace block after loading the world in the latest Beta & Preview

Linked issues

is duplicated by 1

MCPE-243998 Packed ice problem Resolved

Attachments

Packed ice replacement (after 26.70.22).mcworld

Packed ice replacement test.mcworld

Comments 3

Automation for Jira 2026-10-29T11:34:41Z

Thank you for helping us improve Minecraft! We saved your files:

[media][media]

JervieA20 2026-10-29T11:36:42Z

Before 26.70.22

After 26.70.22

[Mojang] Triage Team 2026-10-29T13:47:37Z

This issue has been reviewed by our team.

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If a fix is implemented, it will be listed in our official changelogs.

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