Reproduction steps:
1. Open the attached “IN-87351_cullingissue“ project
2. Open the “Assets/Main.unity“ scene
3. Click Window > Analysis > Profiler
4. Enter the Play Mode
5. After few seconds exit the Play Mode
6. Observe the “OnPerformCulling” calls in the Profiler Window

Expected results: Multiple shadow casting lights do not cause extreme performance degradation
Actual results: Shadow casting lights cause the onPerformCulling callback to take a long time to finish

Reproduced with: 6000.0.30f1, 6000.1.0a7
Couldn’t reproduce with: 2021.3.46f1, 2022.3.53f1 (Couldn’t downgrade the project)

Reproduced on: Windows 11