How to reproduce:
1. Create a new URP Unity project
2. Go to Window -> Package Management -> Package Manager -> Universal Render Pipeline -> Samples -> URP Package Samples -> Import
3. Open the "BlobShadow" scene
4. In the Hierarchy, select the Canvas -> MainPanel GameObject
5. In the Inspector, observe the "Overrides" dropdown

Expected results: There are no unapplied changes
Actual results: There are many unapplied changes 

Reproducible with: 6000.0.61f1, 6000.2.8f1, 6000.3.0b8, 6000.4.0a4

Reproducible on: macOS Tahoe 26
Not reproducible on: No other environment tested