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Fixed in 2020.1



Found in

Issue ID




Mesh Inspector becomes slow to use when inspecting a large Mesh with Blend Shapes

Graphics - General


Steps to reproduce:
1. Open the attached project
2. Select the "RigidComplex" asset in the Project panel
3. Click the arrow to its right to expand the asset
4. Select the mesh
5. Drag to rotate the Mesh Preview

Expected result: the Mesh Preview is fast and responsive
Actual result: the Mesh Preview is very slow (you can see actual speed in the attached video)

Tested versions: 2019.2.14f1, 2020.1.0a15

Note: opening the project with different Editor versions might take a while due to the large model included in it. Please do not worry if the progress bar seems to be stuck at 0 for a while.

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