Added a help box to inform users of the potential dependency to directional lights when baking.

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -35,6 +35,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Use RayTracingAccelerationStructure.CullInstances to filter Renderers and populate the acceleration structure with ray tracing instances for improved CPU performance on the main thread.
 - Changed the max distance for Light Anchors to avoid unstability with high values (case 1362802).
 - PrepareLightsForGPU CPU Light loop performance improvement (40% to 70% faster), utilizing burst and optimized. Utilizing better sorting, distributing work in jobs and improving cache access of light data.
+- Integrate a help box to inform users of the potential dependency to directional lights when baking.
 
 ## [13.1.0] - 2021-09-24
 

com.unity.render-pipelines.high-definition/Editor/Sky/HDLightingWindowEnvironmentSection.cs

@@ -200,6 +200,8 @@ void DrawGUI()
 
                 EditorGUILayout.PropertyField(m_SerializedActiveSceneLightingSky.volumetricCloudsToggle, EditorGUIUtility.TrTextContent("Static Lighting Volumetric Clouds", "Specify if volumetric clouds should be used for static ambient in the referenced profile for active scene."));
 
+                EditorGUILayout.HelpBox("The interaction between the Scene Volume sky type and the Scene's dominant directional light may affect the visual characteristics of this bake.", MessageType.Info);
+
                 --EditorGUI.indentLevel;
             }
         }