Reproduction steps:
1. Open the attached “BugRepro” project
2. Open the “Assets/_Project/_Scenes/TestingScenes/flicker” Scene
3. Select “GameObject/GameObject (1)/GameObject (2)/Sphere” GameObject in the Hierarchy window
4. Move the mouse or camera around in the Scene View
5. Observe the Scene View and the “Sphere” GameObject

Expected result: The “Sphere” GameObject does not flicker
Actual result: The “Sphere” GameObject and surrounding GameObjects flicker

Reproducible with: 6000.0.6f1
Couldn’t test with: 2021.3.39f1, 2022.3.33f1 - Errors regarding importing invalid “SharedLibrary” files

Reproducible on: Windows 10, Windows 11 (user)
Not reproducible on: No other environment tested

Notes:
- The issue does not reproduce with DirectX11 selected Graphics API
- To reproduce the issue, the selected GameObject in 3rd step may be different (inconsistent)