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Fixed in 2019.2

Fixed in 2019.1



Found in


Issue ID




Unity freezes when adding variants to ShaderVariantCollection for shader with many shader_feature



Steps to reproduce:

1) Download attached project '' and open in Unity
2) In the Project window, click on 'ShaderVariantsForMany.shadervariants' Shader Variant Collection
3) In the Inspector window, click on 'Add shader' button
4) After shader selection window shows up, double click on 'ManyVariantsShader.shader' shader
5) Click on the plus icon to add a shader variant to Shader Variant Collection
----Unity will freeze

Expected result: Unity should add a shader variant to Shader Variant Collection without freezing
Actual result: Unity freezes while adding a shader variant to Shader Variant Collection

Reproduced with:
5.5.4p2, 5.6.3f1, 2017.1.0p3, 2017.2.0b6, 2017.3.0a2

Comments (1)

  1. Ee09a7da2101243b240696d9b5184e9c?d=mm


    Jun 14, 2019 10:04

    Well, you are right I was not that familiar with the new update therefore I love to use old version of this software. I got law assignment help from because it is very interesting in providing help to students in their assignments.

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