How to reproduce:

1. Open the project "IN-103403_DecalDBuffer"
2. Open the scene in the Project Tab, Assets -> _UnlitDecalTest -> "UnlitDecalTesting.scene"
3. In the same folder, click on the "UnlitDecalTesting Universal Render Pipeline Asset_Renderer"
4. In the Inspector, Decal -> Technique, set it to Automatic
5. Observe the Game View

Expected result: Projected Decals in the scene do not disappear
Actual result: The Projected Decals disappear

Reproducible with: 2022.1.0a1, 2022.3.62f1, 6000.0.50f1, 6000.1.5f1, 6000.2.0b3

Reproducible on: Windows 11
Not reproducible on: No other environments tested

Note: It is stated that the DBuffer technique does not support OpenGL [https://docs.unity3d.com/6000.0/Documentation/Manual/urp/renderer-feature-decal-reference.html|https://docs.unity3d.com/6000.0/Documentation/Manual/urp/renderer-feature-decal-reference.html]