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Fixed in 2021.2.X

Planned for 2019.4.X, 2020.3.X, 2021.1.X

Votes

0

Found in

2019.4

2019.4.24f1

2020.2

2021.1

2021.2

Issue ID

1330453

Regression

No

Startup time of the Editor is increased by 2 - 45 s according to the size of "Library/ShaderCache/EditorEncounteredVariants"

Shader System

-

How to reproduce:
1. Open the project "TestEditorVariants.zip"
2. Open the "SampleScene" scene
3. Enter Play mode
4. Wait until "Done" is printed in the console.
5. Close the Editor
6. Open the project again

Expected result: Startup time is not significantly increased
Actual result: Startup time is increased by 2-3 seconds (if Library/ShaderCache/EditorEncounteredVariants size is about 192 KB)

Reproducible with - 2019.4.25f1, 2020.3.7f1, 2021.1.6f1, 2021.2.0a16
Could not test - 2018.4 (errors)

Notes:
Wait until "Done" is printed multiple times for the Library/ShaderCache/EditorEncounteredVariants size to grow even more and increase the startup time even more
2-3 seconds startup time increase when EditorEncounteredVariants file size is 192KB
45 seconds startup time increase when EditorEncounteredVariants file size is 330KB

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