Steps to reproduce:
1. Create new Unity project using Universal 3D Template
2. Open package manager window and install Entities package
3. In Hierarchy window create New Sub Scene
4. Open New Sub Scene (Assets > Scenes > SampleScene > New Sub Scene.unity)
5. Save Modified Scene(s)
6. Enter Play Mode in New Sub Scene
7. Observe Game view
Actual results: Visual artifacts are visible in the Game view
Expected results: No artifacts are visible in the Game view
Reproducible with versions: 6000.6.0b1 (bec83302551e), 6000.6.0b3
Not reproducible with versions: 6000.5.3f1, 6000.6.0a7 (240d06e2411b), 6000.7.0a2
Tested on (OS): macOS Tahoe 26.5.1 (M1)
Notes:
- Sometimes magenta colored artifacts are present in Game view (Play mode) when Cube GameObject is created in Sub Scene