Jigsaw block generation can create ghost blocks

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Sometimes, ghost blocks are created when using the jigsaw block's "Generate" feature. See attached video.

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Iosiv Visokogorskiy 2020-06-08T21:58:07Z

Affects pre release

Can confirm in 1.18.1

Using the command /place can also result in similar bug. See MC-248248.

Can confirm in 1.19.3 and 23w06a.

Reporter: [Mod] Neko

Assignee: (Unassigned)

Created: 2020-06-03T01:41:53Z

Updated: 2025-04-26T17:13:15Z

ADO:

Confirmation Status: Confirmed

Area: Platform

Mojang Priority: Normal

Category: Structures

Labels:

Affects Versions: 20w22a, 1.16.1, 20w27a, 20w28a, 1.16.5, ..., 21w44a, 1.18.1, 22w18a, 1.21.4, 25w03a

Fix Versions:

Retrieved 2025-06-09T00:13:33Z