How to reproduce:
1. Open the project attached by the user
2. Open Profiler window, on the Memory section, select Detailed
3. In the Project window open the Settings folder and select the ForwardRenderer asset
4. Add a RenderObjects feature if there isn't one already
5. Adjust settings of the render feature or just move the cursor in and out of the Inspector window
6. In the Profiler window, Click "Take Sample Playmode" and observe the objects under "Not Saved" -> "MonoBehaviour"

Expected result: There are no duplicate objects that would indicate a memory leak
Actual result: Endless copies of UnityEditor.Rendering.Universal.ScriptableRendererFeatureEditor can be found suggesting a memory leak

Reproducible with: 2019.3.2f1(7.3.1), 2019.4.10f1(7.4.3), 2020.1.4f1(8.2.0, 8.3.1), 2020.2.0b2(9.0.0-preview.54, 9.0.0-preview.66)
Not reproducible with: 2019.3.2f1(7.2.1), 2020.2.0b2(10.0.0-preview.26)
Could not test with: 2018.4.27f1(URP was not yet available)

Fixed in - 10.0.0-preview.26

Notes:
1. Steps 5 and 6 can be repeated multiple times to illustrate continuous increase of objects under MonoBehaviour behavior section. These objects are only cleared if the project is restarted