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Won't Fix
Votes
1
Found in
2018.4
2018.4.16f1
2019.3
2020.1
Issue ID
1219202
Regression
Yes
Canvas "Additional Shader Channels" option is reset when reopening the Scene
How to reproduce:
1. Open the attached project's Scene labeled "SampleScene"
2. Select the Canvas GameObject in the Hierarchy
3. In Canvas Component, change the Additional Shader Channels option to "Nothing"
4. Save the Scene
5. Re-open the SampleScene
6. Inspect the Additional Shader Channels option again
Expected result: Additional Shader Channels option is not changed
Actual result: Additional Shader Channels option is reset
Reproducible with: 2018.4.17f1, 2019.3.2f1, 2020.1.0a23
Not reproducible with: 2017.4.37f1
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Resolution Note (2020.1.X):
TextMeshPro needs those additional shader channels to render properly so it will reset them when the scene opens. The warning doesn't say that they dont work just that they are usually are not used in overlay as the typical usage is for lighting.