Commented out Single pass lighting to decrease shader compilation time.

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/RenderLoopSettings/LightLoopSettingsUI.cs

 
         static void Drawer_SectionLightLoopSettings(LightLoopSettingsUI s, SerializedLightLoopSettings p, Editor owner)
         {
-            EditorGUILayout.PropertyField(p.enableTileAndCluster, _.GetContent("Enable Tile And Cluster"));
+            // Uncomment if you re-enable LIGHTLOOP_SINGLE_PASS multi_compile in lit*.shader
+            //EditorGUILayout.PropertyField(p.enableTileAndCluster, _.GetContent("Enable Tile And Cluster"));
+            //EditorGUI.indentLevel++;
+
-                EditorGUI.indentLevel++;
                 EditorGUILayout.PropertyField(p.enableFptlForForwardOpaque, _.GetContent("Enable FPTL For Forward Opaque"));
                 EditorGUILayout.PropertyField(p.enableBigTilePrepass, _.GetContent("Enable Big Tile Prepass"));
                 EditorGUILayout.PropertyField(p.enableComputeLightEvaluation, _.GetContent("Enable Compute Light Evaluation"));
                 }
                 EditorGUILayout.EndFadeGroup();
                 GUILayout.EndVertical();
-                EditorGUI.indentLevel--;
+
+            //EditorGUI.indentLevel--;
         }
     }
 }

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Lighting/LightLoop/LightLoopSettings.cs

                     displayName = "Lighting Settings",
                     children =
                     {
+                        // Uncomment if you re-enable LIGHTLOOP_SINGLE_PASS multi_compile in lit*.shader
+                        //new DebugUI.BoolField { displayName = "Enable Tile/Cluster", getter = () => lightLoopSettings.enableTileAndCluster, setter = value => lightLoopSettings.enableTileAndCluster = value },
-                        new DebugUI.BoolField { displayName = "Enable Tile/Cluster", getter = () => lightLoopSettings.enableTileAndCluster, setter = value => lightLoopSettings.enableTileAndCluster = value },
                         new DebugUI.BoolField { displayName = "Enable Big Tile", getter = () => lightLoopSettings.enableBigTilePrepass, setter = value => lightLoopSettings.enableBigTilePrepass = value },
                         new DebugUI.BoolField { displayName = "Enable Compute Lighting", getter = () => lightLoopSettings.enableComputeLightEvaluation, setter = value => lightLoopSettings.enableComputeLightEvaluation = value },
                         new DebugUI.BoolField { displayName = "Enable Light Classification", getter = () => lightLoopSettings.enableComputeLightVariants, setter = value => lightLoopSettings.enableComputeLightVariants = value },

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/LayeredLit/LayeredLit.shader

             #pragma multi_compile _ DYNAMICLIGHTMAP_ON
             #pragma multi_compile _ SHADOWS_SHADOWMASK
             // #include "../../Lighting/Forward.hlsl"
-            #pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            //#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            #define LIGHTLOOP_TILE_PASS
             #pragma multi_compile USE_FPTL_LIGHTLIST USE_CLUSTERED_LIGHTLIST
 
             #define SHADERPASS SHADERPASS_FORWARD

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/LayeredLit/LayeredLitTessellation.shader

             #pragma multi_compile _ DYNAMICLIGHTMAP_ON
             #pragma multi_compile _ SHADOWS_SHADOWMASK
             // #include "../../Lighting/Forward.hlsl"
-            #pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            //#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            #define LIGHTLOOP_TILE_PASS
             #pragma multi_compile USE_FPTL_LIGHTLIST USE_CLUSTERED_LIGHTLIST
 
             #define SHADERPASS SHADERPASS_FORWARD

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/Lit/Lit.shader

             #pragma multi_compile _ DYNAMICLIGHTMAP_ON
             #pragma multi_compile _ SHADOWS_SHADOWMASK
             // #include "../../Lighting/Forward.hlsl"
-            #pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            //#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            #define LIGHTLOOP_TILE_PASS
             #pragma multi_compile USE_FPTL_LIGHTLIST USE_CLUSTERED_LIGHTLIST
 
             #define SHADERPASS SHADERPASS_FORWARD
             #pragma multi_compile _ DYNAMICLIGHTMAP_ON
             #pragma multi_compile _ SHADOWS_SHADOWMASK
             // #include "../../Lighting/Forward.hlsl"
-            #pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            //#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            #define LIGHTLOOP_TILE_PASS
             #pragma multi_compile USE_FPTL_LIGHTLIST USE_CLUSTERED_LIGHTLIST
 
             #define SHADERPASS SHADERPASS_FORWARD

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/Lit/LitTessellation.shader

             #pragma multi_compile _ DYNAMICLIGHTMAP_ON
             #pragma multi_compile _ SHADOWS_SHADOWMASK
             // #include "../../Lighting/Forward.hlsl"
-            #pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            //#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            #define LIGHTLOOP_TILE_PASS
             #pragma multi_compile USE_FPTL_LIGHTLIST USE_CLUSTERED_LIGHTLIST
 
             #define SHADERPASS SHADERPASS_FORWARD
             #pragma multi_compile _ DYNAMICLIGHTMAP_ON
             #pragma multi_compile _ SHADOWS_SHADOWMASK
             // #include "../../Lighting/Forward.hlsl"
-            #pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            //#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+            #define LIGHTLOOP_TILE_PASS
             #pragma multi_compile USE_FPTL_LIGHTLIST USE_CLUSTERED_LIGHTLIST
 
             #define SHADERPASS SHADERPASS_FORWARD