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Graph Toolkit is a module in Unity 6.4. The experimental package should not be installed in 6.4 as it will collide with the module.
Steps to reproduce:
1. Create new Unity project
2. Open Package Manager window
3. Install Graph Toolkit package by name (use com.unity.graphtoolkit)
4. Once installed, observe Console window
Actual results: Multiple warnings are thrown in the Console window after package installation
Expected results: No warnings thrown after package installation
Reproducible with versions: 0.4.0-exp.2 (6000.4.0a2 (79bd4f638ac0))
Can’t test with versions: 0.4.0-exp.2 (6000.3.0b6, 6000.4.0a1 (b27b8eafe426))
Tested on (OS): macOS Silicon, Tahoe 26.0 (M1)
Errors:
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