diff --git a/Specs/Data/CZML/ValidationDocument.czml b/Specs/Data/CZML/ValidationDocument.czml
index ee2f1882ec3b..ada01b4758fd 100644
--- a/Specs/Data/CZML/ValidationDocument.czml
+++ b/Specs/Data/CZML/ValidationDocument.czml
@@ -105,7 +105,8 @@
           121,42,244,168
         ]
       },
-      "outlineWidth":15323
+      "outlineWidth":15323,
+      "shadows":"CAST_ONLY"
     },
     "corridor":{
       "show":true,
@@ -135,7 +136,8 @@
           198,25,134,60
         ]
       },
-      "outlineWidth":9132
+      "outlineWidth":9132,
+      "shadows":"CAST_ONLY"
     },
     "cylinder":{
       "show":true,
@@ -160,7 +162,8 @@
       },
       "outlineWidth":64018,
       "numberOfVerticalLines":38567,
-      "slices":39979
+      "slices":39979,
+      "shadows":"CAST_ONLY"
     },
     "ellipse":{
       "show":true,
@@ -188,7 +191,8 @@
         ]
       },
       "outlineWidth":8839,
-      "numberOfVerticalLines":38878
+      "numberOfVerticalLines":38878,
+      "shadows":"CAST_ONLY"
     },
     "ellipsoid":{
       "show":true,
@@ -216,7 +220,8 @@
       "outlineWidth":47507,
       "stackPartitions":54278,
       "slicePartitions":28562,
-      "subdivisions":14008
+      "subdivisions":14008,
+      "shadows":"CAST_ONLY"
     },
     "label":{
       "show":true,
@@ -224,6 +229,17 @@
       "font":"14px sans-serif",
       "style":"FILL_AND_OUTLINE",
       "scale":6510,
+      "showBackground":true,
+      "backgroundColor":{
+        "rgba":[
+          225,114,54,128
+        ]
+      },
+      "backgroundPadding":{
+        "cartesian2":[
+          5508,56341
+        ]
+      },
       "pixelOffset":{
         "cartesian2":[
           25913,30821
@@ -267,7 +283,14 @@
       "maximumScale":64305,
       "incrementallyLoadTextures":true,
       "runAnimations":true,
+      "shadows":"CAST_ONLY",
       "heightReference":"CLAMP_TO_GROUND",
+      "silhouetteColor":{
+        "rgba":[
+          29,61,52,101
+        ]
+      },
+      "silhouetteSize":4645,
       "color":{
         "rgba":[
           0,52,75,73
@@ -367,7 +390,8 @@
       "outlineWidth":62220,
       "perPositionHeight":true,
       "closeTop":true,
-      "closeBottom":true
+      "closeBottom":true,
+      "shadows":"CAST_ONLY"
     },
     "polyline":{
       "show":true,
@@ -387,7 +411,8 @@
           }
         }
       },
-      "followSurface":true
+      "followSurface":true,
+      "shadows":"CAST_ONLY"
     },
     "rectangle":{
       "show":true,
@@ -419,7 +444,8 @@
       },
       "outlineWidth":59794,
       "closeTop":true,
-      "closeBottom":true
+      "closeBottom":true,
+      "shadows":"CAST_ONLY"
     },
     "wall":{
       "show":true,
@@ -455,7 +481,8 @@
           107,196,96,198
         ]
       },
-      "outlineWidth":50458
+      "outlineWidth":50458,
+      "shadows":"CAST_ONLY"
     },
     "agi_conicSensor":{
       "show":true,
@@ -1551,6 +1578,16 @@
       }
     }
   },
+  {
+    "id":"constant_label_backgroundColor_rgbaf",
+    "label":{
+      "backgroundColor":{
+        "rgbaf":[
+          0.8941176470588236,0.9490196078431372,0.49411764705882355,0.8431372549019608
+        ]
+      }
+    }
+  },
   {
     "id":"constant_label_fillColor_rgbaf",
     "label":{
@@ -1571,6 +1608,16 @@
       }
     }
   },
+  {
+    "id":"constant_model_silhouetteColor_rgbaf",
+    "model":{
+      "silhouetteColor":{
+        "rgbaf":[
+          0.29411764705882354,0.3137254901960784,0.4196078431372549,0.8784313725490196
+        ]
+      }
+    }
+  },
   {
     "id":"constant_model_color_rgbaf",
     "model":{
@@ -5207,6 +5254,9 @@
       },
       "outlineWidth":{
         "reference":"Constant#box.outlineWidth"
+      },
+      "shadows":{
+        "reference":"Constant#box.shadows"
       }
     },
     "corridor":{
@@ -5251,6 +5301,9 @@
       },
       "outlineWidth":{
         "reference":"Constant#corridor.outlineWidth"
+      },
+      "shadows":{
+        "reference":"Constant#corridor.shadows"
       }
     },
     "cylinder":{
@@ -5290,6 +5343,9 @@
       },
       "slices":{
         "reference":"Constant#cylinder.slices"
+      },
+      "shadows":{
+        "reference":"Constant#cylinder.shadows"
       }
     },
     "ellipse":{
@@ -5338,6 +5394,9 @@
       },
       "numberOfVerticalLines":{
         "reference":"Constant#ellipse.numberOfVerticalLines"
+      },
+      "shadows":{
+        "reference":"Constant#ellipse.shadows"
       }
     },
     "ellipsoid":{
@@ -5374,6 +5433,9 @@
       },
       "subdivisions":{
         "reference":"Constant#ellipsoid.subdivisions"
+      },
+      "shadows":{
+        "reference":"Constant#ellipsoid.shadows"
       }
     },
     "label":{
@@ -5392,6 +5454,15 @@
       "scale":{
         "reference":"Constant#label.scale"
       },
+      "showBackground":{
+        "reference":"Constant#label.showBackground"
+      },
+      "backgroundColor":{
+        "reference":"Constant#label.backgroundColor"
+      },
+      "backgroundPadding":{
+        "reference":"Constant#label.backgroundPadding"
+      },
       "pixelOffset":{
         "reference":"Constant#label.pixelOffset"
       },
@@ -5445,9 +5516,18 @@
       "runAnimations":{
         "reference":"Constant#model.runAnimations"
       },
+      "shadows":{
+        "reference":"Constant#model.shadows"
+      },
       "heightReference":{
         "reference":"Constant#model.heightReference"
       },
+      "silhouetteColor":{
+        "reference":"Constant#model.silhouetteColor"
+      },
+      "silhouetteSize":{
+        "reference":"Constant#model.silhouetteSize"
+      },
       "color":{
         "reference":"Constant#model.color"
       },
@@ -5569,6 +5649,9 @@
       },
       "closeBottom":{
         "reference":"Constant#polygon.closeBottom"
+      },
+      "shadows":{
+        "reference":"Constant#polygon.shadows"
       }
     },
     "polyline":{
@@ -5595,6 +5678,9 @@
       },
       "followSurface":{
         "reference":"Constant#polyline.followSurface"
+      },
+      "shadows":{
+        "reference":"Constant#polyline.shadows"
       }
     },
     "rectangle":{
@@ -5643,6 +5729,9 @@
       },
       "closeBottom":{
         "reference":"Constant#rectangle.closeBottom"
+      },
+      "shadows":{
+        "reference":"Constant#rectangle.shadows"
       }
     },
     "wall":{
@@ -5685,6 +5774,9 @@
       },
       "outlineWidth":{
         "reference":"Constant#wall.outlineWidth"
+      },
+      "shadows":{
+        "reference":"Constant#wall.shadows"
       }
     },
     "agi_conicSensor":{
@@ -8310,6 +8402,20 @@
           3600,42123
         ]
       },
+      "backgroundColor":{
+        "epoch":"2016-06-17T12:00:00Z",
+        "rgba":[
+          0,30,92,161,169,
+          3600,85,52,166,62
+        ]
+      },
+      "backgroundPadding":{
+        "epoch":"2016-06-17T12:00:00Z",
+        "cartesian2":[
+          0,32945,5504,
+          3600,35323,6281
+        ]
+      },
       "pixelOffset":{
         "epoch":"2016-06-17T12:00:00Z",
         "cartesian2":[
@@ -8382,6 +8488,20 @@
           3600,25558
         ]
       },
+      "silhouetteColor":{
+        "epoch":"2016-06-17T12:00:00Z",
+        "rgba":[
+          0,33,239,70,81,
+          3600,60,48,26,123
+        ]
+      },
+      "silhouetteSize":{
+        "epoch":"2016-06-17T12:00:00Z",
+        "number":[
+          0,65103,
+          3600,29065
+        ]
+      },
       "color":{
         "epoch":"2016-06-17T12:00:00Z",
         "rgba":[
@@ -10091,6 +10211,18 @@
       }
     }
   },
+  {
+    "id":"sampled_label_backgroundColor_rgbaf",
+    "label":{
+      "backgroundColor":{
+        "epoch":"2016-06-17T12:00:00Z",
+        "rgbaf":[
+          0,0.9607843137254902,0.18823529411764706,0.8705882352941177,0.27058823529411763,
+          3600,0.8823529411764706,0.796078431372549,0.6039215686274509,0.8235294117647058
+        ]
+      }
+    }
+  },
   {
     "id":"sampled_label_fillColor_rgbaf",
     "label":{
@@ -10115,6 +10247,18 @@
       }
     }
   },
+  {
+    "id":"sampled_model_silhouetteColor_rgbaf",
+    "model":{
+      "silhouetteColor":{
+        "epoch":"2016-06-17T12:00:00Z",
+        "rgbaf":[
+          0,0.23137254901960785,0.8666666666666667,0.26666666666666666,0.6352941176470588,
+          3600,0.7490196078431373,0.22745098039215686,0.807843137254902,0.08235294117647059
+        ]
+      }
+    }
+  },
   {
     "id":"sampled_model_color_rgbaf",
     "model":{
diff --git a/Specs/DataSources/CzmlDataSourceSpec.js b/Specs/DataSources/CzmlDataSourceSpec.js
index 1da26e311f2f..7c2c956b09a1 100644
--- a/Specs/DataSources/CzmlDataSourceSpec.js
+++ b/Specs/DataSources/CzmlDataSourceSpec.js
@@ -2876,6 +2876,7 @@ defineSuite([
             expect(e.box.outline.getValue(date)).toEqual(true);
             expect(e.box.outlineColor.getValue(date)).toEqual(Color.fromBytes(121, 42, 244, 168));
             expect(e.box.outlineWidth.getValue(date)).toEqual(15323.0);
+            expect(e.box.shadows.getValue(date)).toEqual(ShadowMode.CAST_ONLY);
             expect(e.corridor.show.getValue(date)).toEqual(true);
             expect(e.corridor.positions.getValue(date)).toEqual([ new Cartesian3(36415, 2702, 36618), new Cartesian3(47759, 11706, 63277) ]);
             expect(e.corridor.width.getValue(date)).toEqual(20413.0);
@@ -2888,6 +2889,7 @@ defineSuite([
             expect(e.corridor.outline.getValue(date)).toEqual(true);
             expect(e.corridor.outlineColor.getValue(date)).toEqual(Color.fromBytes(198, 25, 134, 60));
             expect(e.corridor.outlineWidth.getValue(date)).toEqual(9132.0);
+            expect(e.corridor.shadows.getValue(date)).toEqual(ShadowMode.CAST_ONLY);
             expect(e.cylinder.show.getValue(date)).toEqual(true);
             expect(e.cylinder.length.getValue(date)).toEqual(33298.0);
             expect(e.cylinder.topRadius.getValue(date)).toEqual(16245.0);
@@ -2899,6 +2901,7 @@ defineSuite([
             expect(e.cylinder.outlineWidth.getValue(date)).toEqual(64018.0);
             expect(e.cylinder.numberOfVerticalLines.getValue(date)).toEqual(38567.0);
             expect(e.cylinder.slices.getValue(date)).toEqual(39979.0);
+            expect(e.cylinder.shadows.getValue(date)).toEqual(ShadowMode.CAST_ONLY);
             expect(e.ellipse.show.getValue(date)).toEqual(true);
             expect(e.ellipse.semiMajorAxis.getValue(date)).toEqual(60072.0);
             expect(e.ellipse.semiMinorAxis.getValue(date)).toEqual(38653.0);
@@ -2913,6 +2916,7 @@ defineSuite([
             expect(e.ellipse.outlineColor.getValue(date)).toEqual(Color.fromBytes(160, 82, 145, 104));
             expect(e.ellipse.outlineWidth.getValue(date)).toEqual(8839.0);
             expect(e.ellipse.numberOfVerticalLines.getValue(date)).toEqual(38878.0);
+            expect(e.ellipse.shadows.getValue(date)).toEqual(ShadowMode.CAST_ONLY);
             expect(e.ellipsoid.show.getValue(date)).toEqual(true);
             expect(e.ellipsoid.radii.getValue(date)).toEqual(new Cartesian3(15638, 24381, 37983));
             expect(e.ellipsoid.fill.getValue(date)).toEqual(true);
@@ -2923,11 +2927,15 @@ defineSuite([
             expect(e.ellipsoid.stackPartitions.getValue(date)).toEqual(54278.0);
             expect(e.ellipsoid.slicePartitions.getValue(date)).toEqual(28562.0);
             expect(e.ellipsoid.subdivisions.getValue(date)).toEqual(14008.0);
+            expect(e.ellipsoid.shadows.getValue(date)).toEqual(ShadowMode.CAST_ONLY);
             expect(e.label.show.getValue(date)).toEqual(true);
             expect(e.label.text.getValue(date)).toEqual('string36641');
             expect(e.label.font.getValue(date)).toEqual('14px sans-serif');
             expect(e.label.style.getValue(date)).toEqual(LabelStyle.FILL_AND_OUTLINE);
             expect(e.label.scale.getValue(date)).toEqual(6510.0);
+            expect(e.label.showBackground.getValue(date)).toEqual(true);
+            expect(e.label.backgroundColor.getValue(date)).toEqual(Color.fromBytes(225, 114, 54, 128));
+            expect(e.label.backgroundPadding.getValue(date)).toEqual(new Cartesian2(5508, 56341));
             expect(e.label.pixelOffset.getValue(date)).toEqual(new Cartesian2(25913, 30821));
             expect(e.label.eyeOffset.getValue(date)).toEqual(new Cartesian3(30502, 29047, 25457));
             expect(e.label.horizontalOrigin.getValue(date)).toEqual(HorizontalOrigin.LEFT);
@@ -2945,7 +2953,10 @@ defineSuite([
             expect(e.model.maximumScale.getValue(date)).toEqual(64305.0);
             expect(e.model.incrementallyLoadTextures.getValue(date)).toEqual(true);
             expect(e.model.runAnimations.getValue(date)).toEqual(true);
+            expect(e.model.shadows.getValue(date)).toEqual(ShadowMode.CAST_ONLY);
             expect(e.model.heightReference.getValue(date)).toEqual(HeightReference.CLAMP_TO_GROUND);
+            expect(e.model.silhouetteColor.getValue(date)).toEqual(Color.fromBytes(29, 61, 52, 101));
+            expect(e.model.silhouetteSize.getValue(date)).toEqual(4645.0);
             expect(e.model.color.getValue(date)).toEqual(Color.fromBytes(0, 52, 75, 73));
             expect(e.model.colorBlendMode.getValue(date)).toEqual(ColorBlendMode.REPLACE);
             expect(e.model.colorBlendAmount.getValue(date)).toEqual(7475.0);
@@ -2980,12 +2991,14 @@ defineSuite([
             expect(e.polygon.perPositionHeight.getValue(date)).toEqual(true);
             expect(e.polygon.closeTop.getValue(date)).toEqual(true);
             expect(e.polygon.closeBottom.getValue(date)).toEqual(true);
+            expect(e.polygon.shadows.getValue(date)).toEqual(ShadowMode.CAST_ONLY);
             expect(e.polyline.show.getValue(date)).toEqual(true);
             expect(e.polyline.positions.getValue(date)).toEqual([ new Cartesian3(23333, 31067, 17529), new Cartesian3(57924, 41186, 31648) ]);
             expect(e.polyline.width.getValue(date)).toEqual(14667.0);
             expect(e.polyline.granularity.getValue(date)).toEqual(53395.0);
             expect(e.polyline.material.color.getValue(date)).toEqual(Color.fromBytes(88, 0, 232, 230));
             expect(e.polyline.followSurface.getValue(date)).toEqual(true);
+            expect(e.polyline.shadows.getValue(date)).toEqual(ShadowMode.CAST_ONLY);
             expect(e.rectangle.show.getValue(date)).toEqual(true);
             expect(e.rectangle.coordinates.getValue(date)).toEqual(new Rectangle(1.13325368272577, 0.703573207377445, 0.756676249095309, 0.339217858685931));
             expect(e.rectangle.height.getValue(date)).toEqual(20608.0);
@@ -3000,6 +3013,7 @@ defineSuite([
             expect(e.rectangle.outlineWidth.getValue(date)).toEqual(59794.0);
             expect(e.rectangle.closeTop.getValue(date)).toEqual(true);
             expect(e.rectangle.closeBottom.getValue(date)).toEqual(true);
+            expect(e.rectangle.shadows.getValue(date)).toEqual(ShadowMode.CAST_ONLY);
             expect(e.wall.show.getValue(date)).toEqual(true);
             expect(e.wall.positions.getValue(date)).toEqual([ new Cartesian3(21681, 40276, 30621), new Cartesian3(3959, 61967, 19442) ]);
             expect(e.wall.minimumHeights.getValue(date)).toEqual([ 49466, 44737 ]);
@@ -3010,6 +3024,7 @@ defineSuite([
             expect(e.wall.outline.getValue(date)).toEqual(true);
             expect(e.wall.outlineColor.getValue(date)).toEqual(Color.fromBytes(107, 196, 96, 198));
             expect(e.wall.outlineWidth.getValue(date)).toEqual(50458.0);
+            expect(e.wall.shadows.getValue(date)).toEqual(ShadowMode.CAST_ONLY);
             expect(e = dataSource.entities.getById('constant_position_cartographicRadians')).toBeDefined();
             expect(e.position.getValue(date)).toEqual(Cartesian3.fromRadians(0.368123392863751, 0.678098621973879, 32050));
             expect(e = dataSource.entities.getById('constant_position_cartographicDegrees')).toBeDefined();
@@ -3169,10 +3184,14 @@ defineSuite([
             expect(e.ellipsoid.material.oddColor.getValue(date)).toEqualEpsilon(new Color(0.580392156862745, 0.164705882352941, 0.741176470588235, 0.0941176470588235), 1e-14);
             expect(e = dataSource.entities.getById('constant_ellipsoid_outlineColor_rgbaf')).toBeDefined();
             expect(e.ellipsoid.outlineColor.getValue(date)).toEqualEpsilon(new Color(0.494117647058824, 0.0823529411764706, 0.274509803921569, 0.823529411764706), 1e-14);
+            expect(e = dataSource.entities.getById('constant_label_backgroundColor_rgbaf')).toBeDefined();
+            expect(e.label.backgroundColor.getValue(date)).toEqualEpsilon(new Color(0.894117647058824, 0.949019607843137, 0.494117647058824, 0.843137254901961), 1e-14);
             expect(e = dataSource.entities.getById('constant_label_fillColor_rgbaf')).toBeDefined();
             expect(e.label.fillColor.getValue(date)).toEqualEpsilon(new Color(0.16078431372549, 0.568627450980392, 0.776470588235294, 0.505882352941176), 1e-14);
             expect(e = dataSource.entities.getById('constant_label_outlineColor_rgbaf')).toBeDefined();
             expect(e.label.outlineColor.getValue(date)).toEqualEpsilon(new Color(0.458823529411765, 0.325490196078431, 0.909803921568627, 0.67843137254902), 1e-14);
+            expect(e = dataSource.entities.getById('constant_model_silhouetteColor_rgbaf')).toBeDefined();
+            expect(e.model.silhouetteColor.getValue(date)).toEqualEpsilon(new Color(0.294117647058824, 0.313725490196078, 0.419607843137255, 0.87843137254902), 1e-14);
             expect(e = dataSource.entities.getById('constant_model_color_rgbaf')).toBeDefined();
             expect(e.model.color.getValue(date)).toEqualEpsilon(new Color(0.568627450980392, 0.333333333333333, 0.141176470588235, 0.572549019607843), 1e-14);
             expect(e = dataSource.entities.getById('constant_path_material_solidColor_color')).toBeDefined();
@@ -3551,6 +3570,7 @@ defineSuite([
             expect(e.box.outline.getValue(date)).toEqual(constant.box.outline.getValue(date));
             expect(e.box.outlineColor.getValue(date)).toEqual(constant.box.outlineColor.getValue(date));
             expect(e.box.outlineWidth.getValue(date)).toEqual(constant.box.outlineWidth.getValue(date));
+            expect(e.box.shadows.getValue(date)).toEqual(constant.box.shadows.getValue(date));
             expect(e.corridor.show.getValue(date)).toEqual(constant.corridor.show.getValue(date));
             expect(e.corridor.positions.getValue(date)).toEqual([dataSource.entities.getById('ConstantPosition1').position.getValue(date), dataSource.entities.getById('ConstantPosition2').position.getValue(date)]);
             expect(e.corridor.width.getValue(date)).toEqual(constant.corridor.width.getValue(date));
@@ -3563,6 +3583,7 @@ defineSuite([
             expect(e.corridor.outline.getValue(date)).toEqual(constant.corridor.outline.getValue(date));
             expect(e.corridor.outlineColor.getValue(date)).toEqual(constant.corridor.outlineColor.getValue(date));
             expect(e.corridor.outlineWidth.getValue(date)).toEqual(constant.corridor.outlineWidth.getValue(date));
+            expect(e.corridor.shadows.getValue(date)).toEqual(constant.corridor.shadows.getValue(date));
             expect(e.cylinder.show.getValue(date)).toEqual(constant.cylinder.show.getValue(date));
             expect(e.cylinder.length.getValue(date)).toEqual(constant.cylinder.length.getValue(date));
             expect(e.cylinder.topRadius.getValue(date)).toEqual(constant.cylinder.topRadius.getValue(date));
@@ -3574,6 +3595,7 @@ defineSuite([
             expect(e.cylinder.outlineWidth.getValue(date)).toEqual(constant.cylinder.outlineWidth.getValue(date));
             expect(e.cylinder.numberOfVerticalLines.getValue(date)).toEqual(constant.cylinder.numberOfVerticalLines.getValue(date));
             expect(e.cylinder.slices.getValue(date)).toEqual(constant.cylinder.slices.getValue(date));
+            expect(e.cylinder.shadows.getValue(date)).toEqual(constant.cylinder.shadows.getValue(date));
             expect(e.ellipse.show.getValue(date)).toEqual(constant.ellipse.show.getValue(date));
             expect(e.ellipse.semiMajorAxis.getValue(date)).toEqual(constant.ellipse.semiMajorAxis.getValue(date));
             expect(e.ellipse.semiMinorAxis.getValue(date)).toEqual(constant.ellipse.semiMinorAxis.getValue(date));
@@ -3588,6 +3610,7 @@ defineSuite([
             expect(e.ellipse.outlineColor.getValue(date)).toEqual(constant.ellipse.outlineColor.getValue(date));
             expect(e.ellipse.outlineWidth.getValue(date)).toEqual(constant.ellipse.outlineWidth.getValue(date));
             expect(e.ellipse.numberOfVerticalLines.getValue(date)).toEqual(constant.ellipse.numberOfVerticalLines.getValue(date));
+            expect(e.ellipse.shadows.getValue(date)).toEqual(constant.ellipse.shadows.getValue(date));
             expect(e.ellipsoid.show.getValue(date)).toEqual(constant.ellipsoid.show.getValue(date));
             expect(e.ellipsoid.radii.getValue(date)).toEqual(constant.ellipsoid.radii.getValue(date));
             expect(e.ellipsoid.fill.getValue(date)).toEqual(constant.ellipsoid.fill.getValue(date));
@@ -3598,11 +3621,15 @@ defineSuite([
             expect(e.ellipsoid.stackPartitions.getValue(date)).toEqual(constant.ellipsoid.stackPartitions.getValue(date));
             expect(e.ellipsoid.slicePartitions.getValue(date)).toEqual(constant.ellipsoid.slicePartitions.getValue(date));
             expect(e.ellipsoid.subdivisions.getValue(date)).toEqual(constant.ellipsoid.subdivisions.getValue(date));
+            expect(e.ellipsoid.shadows.getValue(date)).toEqual(constant.ellipsoid.shadows.getValue(date));
             expect(e.label.show.getValue(date)).toEqual(constant.label.show.getValue(date));
             expect(e.label.text.getValue(date)).toEqual(constant.label.text.getValue(date));
             expect(e.label.font.getValue(date)).toEqual(constant.label.font.getValue(date));
             expect(e.label.style.getValue(date)).toEqual(constant.label.style.getValue(date));
             expect(e.label.scale.getValue(date)).toEqual(constant.label.scale.getValue(date));
+            expect(e.label.showBackground.getValue(date)).toEqual(constant.label.showBackground.getValue(date));
+            expect(e.label.backgroundColor.getValue(date)).toEqual(constant.label.backgroundColor.getValue(date));
+            expect(e.label.backgroundPadding.getValue(date)).toEqual(constant.label.backgroundPadding.getValue(date));
             expect(e.label.pixelOffset.getValue(date)).toEqual(constant.label.pixelOffset.getValue(date));
             expect(e.label.eyeOffset.getValue(date)).toEqual(constant.label.eyeOffset.getValue(date));
             expect(e.label.horizontalOrigin.getValue(date)).toEqual(constant.label.horizontalOrigin.getValue(date));
@@ -3620,7 +3647,10 @@ defineSuite([
             expect(e.model.maximumScale.getValue(date)).toEqual(constant.model.maximumScale.getValue(date));
             expect(e.model.incrementallyLoadTextures.getValue(date)).toEqual(constant.model.incrementallyLoadTextures.getValue(date));
             expect(e.model.runAnimations.getValue(date)).toEqual(constant.model.runAnimations.getValue(date));
+            expect(e.model.shadows.getValue(date)).toEqual(constant.model.shadows.getValue(date));
             expect(e.model.heightReference.getValue(date)).toEqual(constant.model.heightReference.getValue(date));
+            expect(e.model.silhouetteColor.getValue(date)).toEqual(constant.model.silhouetteColor.getValue(date));
+            expect(e.model.silhouetteSize.getValue(date)).toEqual(constant.model.silhouetteSize.getValue(date));
             expect(e.model.color.getValue(date)).toEqual(constant.model.color.getValue(date));
             expect(e.model.colorBlendMode.getValue(date)).toEqual(constant.model.colorBlendMode.getValue(date));
             expect(e.model.colorBlendAmount.getValue(date)).toEqual(constant.model.colorBlendAmount.getValue(date));
@@ -3655,12 +3685,14 @@ defineSuite([
             expect(e.polygon.perPositionHeight.getValue(date)).toEqual(constant.polygon.perPositionHeight.getValue(date));
             expect(e.polygon.closeTop.getValue(date)).toEqual(constant.polygon.closeTop.getValue(date));
             expect(e.polygon.closeBottom.getValue(date)).toEqual(constant.polygon.closeBottom.getValue(date));
+            expect(e.polygon.shadows.getValue(date)).toEqual(constant.polygon.shadows.getValue(date));
             expect(e.polyline.show.getValue(date)).toEqual(constant.polyline.show.getValue(date));
             expect(e.polyline.positions.getValue(date)).toEqual([dataSource.entities.getById('ConstantPosition1').position.getValue(date), dataSource.entities.getById('ConstantPosition2').position.getValue(date)]);
             expect(e.polyline.width.getValue(date)).toEqual(constant.polyline.width.getValue(date));
             expect(e.polyline.granularity.getValue(date)).toEqual(constant.polyline.granularity.getValue(date));
             expect(e.polyline.material.color.getValue(date)).toEqual(constant.polyline.material.color.getValue(date));
             expect(e.polyline.followSurface.getValue(date)).toEqual(constant.polyline.followSurface.getValue(date));
+            expect(e.polyline.shadows.getValue(date)).toEqual(constant.polyline.shadows.getValue(date));
             expect(e.rectangle.show.getValue(date)).toEqual(constant.rectangle.show.getValue(date));
             expect(e.rectangle.coordinates.getValue(date)).toEqual(constant.rectangle.coordinates.getValue(date));
             expect(e.rectangle.height.getValue(date)).toEqual(constant.rectangle.height.getValue(date));
@@ -3675,6 +3707,7 @@ defineSuite([
             expect(e.rectangle.outlineWidth.getValue(date)).toEqual(constant.rectangle.outlineWidth.getValue(date));
             expect(e.rectangle.closeTop.getValue(date)).toEqual(constant.rectangle.closeTop.getValue(date));
             expect(e.rectangle.closeBottom.getValue(date)).toEqual(constant.rectangle.closeBottom.getValue(date));
+            expect(e.rectangle.shadows.getValue(date)).toEqual(constant.rectangle.shadows.getValue(date));
             expect(e.wall.show.getValue(date)).toEqual(constant.wall.show.getValue(date));
             expect(e.wall.positions.getValue(date)).toEqual([dataSource.entities.getById('ConstantPosition1').position.getValue(date), dataSource.entities.getById('ConstantPosition2').position.getValue(date)]);
             expect(e.wall.minimumHeights.getValue(date)).toEqual([dataSource.entities.getById('ConstantDouble1').billboard.scale.getValue(date), dataSource.entities.getById('ConstantDouble2').billboard.scale.getValue(date)]);
@@ -3685,6 +3718,7 @@ defineSuite([
             expect(e.wall.outline.getValue(date)).toEqual(constant.wall.outline.getValue(date));
             expect(e.wall.outlineColor.getValue(date)).toEqual(constant.wall.outlineColor.getValue(date));
             expect(e.wall.outlineWidth.getValue(date)).toEqual(constant.wall.outlineWidth.getValue(date));
+            expect(e.wall.shadows.getValue(date)).toEqual(constant.wall.shadows.getValue(date));
             expect(e = dataSource.entities.getById('reference_box_material_image')).toBeDefined();
             expect(e.box.material.image.getValue(date)).toEqual(dataSource.entities.getById('material_box_material_image').box.material.image.getValue(date));
             expect(e.box.material.repeat.getValue(date)).toEqual(dataSource.entities.getById('material_box_material_image').box.material.repeat.getValue(date));
@@ -4033,6 +4067,10 @@ defineSuite([
             expect(e.ellipsoid.subdivisions.getValue(documentStopDate)).toEqual(53957.0);
             expect(e.label.scale.getValue(documentStartDate)).toEqual(40153.0);
             expect(e.label.scale.getValue(documentStopDate)).toEqual(42123.0);
+            expect(e.label.backgroundColor.getValue(documentStartDate)).toEqual(Color.fromBytes(30, 92, 161, 169));
+            expect(e.label.backgroundColor.getValue(documentStopDate)).toEqual(Color.fromBytes(85, 52, 166, 62));
+            expect(e.label.backgroundPadding.getValue(documentStartDate)).toEqual(new Cartesian2(32945, 5504));
+            expect(e.label.backgroundPadding.getValue(documentStopDate)).toEqual(new Cartesian2(35323, 6281));
             expect(e.label.pixelOffset.getValue(documentStartDate)).toEqual(new Cartesian2(8539, 9761));
             expect(e.label.pixelOffset.getValue(documentStopDate)).toEqual(new Cartesian2(10537, 54569));
             expect(e.label.eyeOffset.getValue(documentStartDate)).toEqual(new Cartesian3(5984, 34327, 59014));
@@ -4053,6 +4091,10 @@ defineSuite([
             expect(e.model.minimumPixelSize.getValue(documentStopDate)).toEqual(40522.0);
             expect(e.model.maximumScale.getValue(documentStartDate)).toEqual(8290.0);
             expect(e.model.maximumScale.getValue(documentStopDate)).toEqual(25558.0);
+            expect(e.model.silhouetteColor.getValue(documentStartDate)).toEqual(Color.fromBytes(33, 239, 70, 81));
+            expect(e.model.silhouetteColor.getValue(documentStopDate)).toEqual(Color.fromBytes(60, 48, 26, 123));
+            expect(e.model.silhouetteSize.getValue(documentStartDate)).toEqual(65103.0);
+            expect(e.model.silhouetteSize.getValue(documentStopDate)).toEqual(29065.0);
             expect(e.model.color.getValue(documentStartDate)).toEqual(Color.fromBytes(74, 69, 164, 116));
             expect(e.model.color.getValue(documentStopDate)).toEqual(Color.fromBytes(127, 30, 46, 170));
             expect(e.model.colorBlendAmount.getValue(documentStartDate)).toEqual(64130.0);
@@ -4355,12 +4397,18 @@ defineSuite([
             expect(e = dataSource.entities.getById('sampled_ellipsoid_outlineColor_rgbaf')).toBeDefined();
             expect(e.ellipsoid.outlineColor.getValue(documentStartDate)).toEqualEpsilon(new Color(0.552941176470588, 0.549019607843137, 0.431372549019608, 0.568627450980392), 1e-14);
             expect(e.ellipsoid.outlineColor.getValue(documentStopDate)).toEqualEpsilon(new Color(0.435294117647059, 0.698039215686274, 0.396078431372549, 0.772549019607843), 1e-14);
+            expect(e = dataSource.entities.getById('sampled_label_backgroundColor_rgbaf')).toBeDefined();
+            expect(e.label.backgroundColor.getValue(documentStartDate)).toEqualEpsilon(new Color(0.96078431372549, 0.188235294117647, 0.870588235294118, 0.270588235294118), 1e-14);
+            expect(e.label.backgroundColor.getValue(documentStopDate)).toEqualEpsilon(new Color(0.882352941176471, 0.796078431372549, 0.603921568627451, 0.823529411764706), 1e-14);
             expect(e = dataSource.entities.getById('sampled_label_fillColor_rgbaf')).toBeDefined();
             expect(e.label.fillColor.getValue(documentStartDate)).toEqualEpsilon(new Color(0.709803921568627, 0.556862745098039, 0.337254901960784, 0.247058823529412), 1e-14);
             expect(e.label.fillColor.getValue(documentStopDate)).toEqualEpsilon(new Color(0.43921568627451, 0.694117647058824, 0.901960784313726, 0.0823529411764706), 1e-14);
             expect(e = dataSource.entities.getById('sampled_label_outlineColor_rgbaf')).toBeDefined();
             expect(e.label.outlineColor.getValue(documentStartDate)).toEqualEpsilon(new Color(0.631372549019608, 0.709803921568627, 0.270588235294118, 0.792156862745098), 1e-14);
             expect(e.label.outlineColor.getValue(documentStopDate)).toEqualEpsilon(new Color(0.435294117647059, 0.176470588235294, 0.235294117647059, 0.631372549019608), 1e-14);
+            expect(e = dataSource.entities.getById('sampled_model_silhouetteColor_rgbaf')).toBeDefined();
+            expect(e.model.silhouetteColor.getValue(documentStartDate)).toEqualEpsilon(new Color(0.231372549019608, 0.866666666666667, 0.266666666666667, 0.635294117647059), 1e-14);
+            expect(e.model.silhouetteColor.getValue(documentStopDate)).toEqualEpsilon(new Color(0.749019607843137, 0.227450980392157, 0.807843137254902, 0.0823529411764706), 1e-14);
             expect(e = dataSource.entities.getById('sampled_model_color_rgbaf')).toBeDefined();
             expect(e.model.color.getValue(documentStartDate)).toEqualEpsilon(new Color(0.0509803921568627, 0.83921568627451, 0.470588235294118, 0.956862745098039), 1e-14);
             expect(e.model.color.getValue(documentStopDate)).toEqualEpsilon(new Color(0.435294117647059, 0.945098039215686, 0.431372549019608, 0.619607843137255), 1e-14);