Reproduction steps:
1. Open the attached “ReproProj” project
2. Open the “Assets/Scenes/SampleScene” scene
3. Open the Game view and enable Gizmos
4. Select the “Main Camera” GameObject to open its' Inspector window
5. Enable the “Testy” Script component
6. Observe the Game view
Expected Result: The Gizmos frustum is shown around the edges of the Game view
Actual Result: Only the corner of the Gizmos frustum is seen
Reproducible with: 2023.3.0a8, 6000.0.7f1
Not reproducible with: 2021.3.39f1, 2022.3.34f1, 2023.3.0a7
Reproducible on: Windows 11 Pro
Not reproducible on: No other environments tested
Notes:
- Not reproducible without the URP package