How to reproduce:
1. Open the attached project "WebVFXGraph"
2. In the "Build Profiles", switch the Platform to "Web"
3. Go to Edit -> Project Settings -> Player -> Web settings -> Other Settings -> Shader Settings
4. Change the "Shader Precision Model" to Unified
5. Observe the Console
Expected results: No warnings are thrown
Actual results: Two ''UIE_NOINTERPOLATION': macro redefinition" warnings are thrown
Reproducible with: 6000.3.0b2, 6000.3.10f1, 6000.4.0b10, 6000.5.0a7
Not reproducible with: 6000.0.68f1, 6000.2.15f1, 6000.3.0b1
Note: Warnings are thrown each time the setting is changed
Full warning:
Warning in Graph at Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/GraphTemplates/UITKFullTemplate.shadergraph on line 5: 'UIE_NOINTERPOLATION': macro redefinition. Previous definition found at /Applications/Unity/Hub/Editor/6000.4.0b10/Unity.app/Contents/Resources/CGIncludes/Internal/UnityUIE.cginc:88.
UnityEditor.EditorApplication:Internal_CallDelayFunctions ()