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0
votes
Fixed

Crash on block_merge_next when updating a mesh

Mesh

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Jun 10, 2025

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Version/s: 6000.0.51f1, 6000.1.6f1, 6000.2.0b5, 6000.4.0a1, 6000.5.0a1

Steps to reproduce:1. Open the “user’s attached project”2. Create a 3D GameObject in the scene3. Select the created GameObject and a... Read more

0
votes
Fixed

"Invalid vertex attribute format" error message does not mention "bytes"...

Mesh

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Nov 18, 2025

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Version/s: 6000.0.61f1, 6000.2.13f1, 6000.3.0f1, 6000.4.0a4, 6000.5.0a1

Reproduction Steps:1. Open the attached “IN-124921“ project2. Open the “TestScene”3. Enter Play mode4. Observe the error message in ... Read more

0
votes
Fixed

"This Renderer uses static batching and instanced Shaders" warning is th...

Mesh

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Apr 28, 2021

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Version/s: 2018.4, 2019.4, 2019.4.19f1, 2020.3, 2021.1, 2021.2

How to reproduce:1. Open the user's attached "MisleadingWarningInstancedMeshes.zip" project2. Open the "SampleScene" Scene3. Select ... Read more

0
votes
Fixed

Vertex data is lost when Mesh is marked as Addressable and Play Mode Scr...

Mesh

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Feb 09, 2021

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Version/s: 2020.2, 2020.2.2f1, 2021.1, 2021.2

Reproduction steps:1. Open the user's attached project and Test scene2. In the Project window, select Content/Effects/AirDrop/Radial... Read more

2
votes
By Design

Assertion failed on expression: 'a.size == b.size' when rendering Skinne...

Mesh

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Feb 26, 2021

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Version/s: 2019.4, 2020.2, 2020.2.6f1, 2021.1, 2021.2

How to reproduce:1. Open the user's attached "cam-skin-render-bug.zip" project2. Open the "cam-skin-render-bug" Scene3. Select the "... Read more

0
votes
Active

Crash on MeshLodUtils::BuildClusterMergeJobsGeneric when generating Mesh...

Mesh

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Mar 17, 2026

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Version/s: 6000.3.11f1, 6000.4.0f1, 6000.5.0a9, 6000.6.0a1

How to reproduce:1. Create a new project (any pipeline)2. Import the attached “IN-137289Cat.fbx” and click on it3. In the Inspector ... Read more

0
votes
Duplicate

[Blendshapes] Mesh of fbx gets deformed during its animation when fbx is...

Mesh

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May 19, 2019

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Version/s: 2017.4.0f1, 2018.3.0a1, 2019.1.0a1, 2019.2.0a1, 2019.3.0a1

Steps to reproduce:1. Open attached project "GorwingOrYounging.zip"2. Open and Play "MyScene"3. In the bottom-right corner see the s... Read more

0
votes
Won't Fix

Modifications to Mesh.triangles are not uploaded to the GPU when the Gam...

Mesh

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Aug 09, 2022

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Version/s: 2021.3.8f1, 2022.1.13f1, 2022.2.0b4, 2023.1.0a5, 2023.2.0a1

How to reproduce:1. Open the attached project "ProceduralGeneration.zip"2. Enter Play Mode Expected results: Mesh is generatedActual... Read more

9
votes
Fixed

Changing Skinned Mesh causes unwanted deformations when using models wit...

Mesh

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Nov 30, 2017

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Version/s: 2017.2.0f3

Steps to reproduce:1. Open attached project "Skin_Mesh_Issue"2. Drag "box_3ds_Max_Biped.fbx" into Scene3. Reveal the child objects o... Read more

0
votes
Feature Request

Mesh.AddBlendShapeFrame performance decreases when consecutively adding ...

Mesh

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Jun 14, 2022

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Version/s: 2019.4.36f1, 2020.3.30f1, 2021.2.15f1, 2022.1.0b11, 2022.2.0a7, 2023.2.0a1

How to reproduce:1. Open the user's attached project2. Open scene Scenes/SampleScene3. Open the Profiler (Window -> Analysis -&gt... Read more

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