Reproduction steps:
1. Create a new Mixed Reality template project
2. Observe the Console
Actual result: "Serialized file "ProjectSettings/DynamicsManager.asset" contains a PhysicsManager object at version 11, below the supported minimum (13). Open and re-save the file to upgrade." warnings are thrown
Expected result: No warnings or errors are thrown
Reproducible with: 6000.6.0a7, 6000.6.0b4, 6000.7.0a2
Not reproducible with: 6000.0.79f1, 6000.3.20f1, 6000.5.4f1, 6000.6.0a6
Reproduced on: macOS Tahoe 26.5 (M4), Windows 11, Ubuntu 22.04
Note: "Clear on Play", "Clear on Build" and "Clear on Recompile" need to be disabled in the Console for the issue to be reproducible