Mesh disappears during animation when blend shape is linked to a vertex group which only contains a part of the vertices

Unity: Mesh

Won't Fix

2023.2.X

2023.1.X

Reproduction steps:
1. Open the attached project "1377539repro.zip"
2. Select the "exampleWithoutVextexGroupB_Attached.fbx" file from the Project window
3. Play the animation at the bottom of the Inspector window

Expected result: The top of the cube changes size
Actual result: The cube disappears

Reproducible with: 2019.4.34f1, 2020.3.26f1, 2021.2.8f1, 2022.1.0b4, 2022.2.0a2

Mesh disappears during animation when blend shape is linked to a vertex group which only contains a part of the vertices

Unity: Mesh

Won't Fix

Prioritise and Follow this issue

Have a workaround or additional info about this issue?

Mesh disappears during animation when blend shape is linked to a vertex group which only contains a part of the vertices

Unity: Mesh

Statuses

Won't Fix

Resolution Notes

Description

Prioritise and Follow this issue

Have a workaround or additional info about this issue?