diff --git a/winrt/winrt.d.ts b/winrt/winrt.d.ts
index 841007f601..bc4e41cd24 100644
--- a/winrt/winrt.d.ts
+++ b/winrt/winrt.d.ts
@@ -8201,6 +8201,7 @@ declare namespace Windows {
                 getDataPlanStatus(): Windows.Networking.Connectivity.DataPlanStatus;
                 getLocalUsage(StartTime: Date, EndTime: Date): Windows.Networking.Connectivity.DataUsage;
                 getLocalUsage(StartTime: Date, EndTime: Date, States: Windows.Networking.Connectivity.RoamingStates): Windows.Networking.Connectivity.DataUsage;
+                getSignalBars(): Windows.Foundation.IReference<number>;
             }
             export class ConnectionCost implements Windows.Networking.Connectivity.IConnectionCost {
                 approachingDataLimit: boolean;
@@ -8267,6 +8268,7 @@ declare namespace Windows {
                 getDataPlanStatus(): Windows.Networking.Connectivity.DataPlanStatus;
                 getLocalUsage(StartTime: Date, EndTime: Date): Windows.Networking.Connectivity.DataUsage;
                 getLocalUsage(StartTime: Date, EndTime: Date, States: Windows.Networking.Connectivity.RoamingStates): Windows.Networking.Connectivity.DataUsage;
+                getSignalBars(): Windows.Foundation.IReference<number>;
             }
             export class LanIdentifier implements Windows.Networking.Connectivity.ILanIdentifier {
                 infrastructureId: Windows.Networking.Connectivity.LanIdentifierData;
@@ -11344,15 +11346,18 @@ declare namespace Windows {
         }
         export interface ILauncherOptions {
             contentType: string;
+            desiredRemainingView: Windows.UI.ViewManagement.ViewSizePreference;
             displayApplicationPicker: boolean;
             fallbackUri: Windows.Foundation.Uri;
             preferredApplicationDisplayName: string;
             preferredApplicationPackageFamilyName: string;
             treatAsUntrusted: boolean;
             uI: Windows.System.LauncherUIOptions;
+            
         }
         export class LauncherOptions implements Windows.System.ILauncherOptions {
             contentType: string;
+            desiredRemainingView: Windows.UI.ViewManagement.ViewSizePreference;
             displayApplicationPicker: boolean;
             fallbackUri: Windows.Foundation.Uri;
             preferredApplicationDisplayName: string;
@@ -11594,87 +11599,96 @@ declare namespace Windows {
 }
 declare namespace Windows {
     export module UI {
-        export module ViewManagement {
-            export enum ApplicationViewState {
-                fullScreenLandscape,
-                filled,
-                snapped,
-                fullScreenPortrait,
-            }
+	export module ViewManagement {
+		export enum ViewSizePreference {
+			default = 0,
+			useLess = 1,
+			useHalf = 2,
+			useMore = 3,
+			useMinimum = 4,
+			useNone = 5
+		}
+		
+		export enum ApplicationViewState {
+			fullScreenLandscape,
+			filled,
+			snapped,
+			fullScreenPortrait,
+            	}
+		
+		/**
+		 * Defines an instance of a window (app view) and the information that describes it.
+		**/
+            	export class ApplicationView {
+			/**
+			 * Gets the window (app view) for the current app.
+			**/
+                	static getForCurrentView(): ApplicationView;
 
 			/**
-			 * Defines an instance of a window (app view) and the information that describes it.
+			 * Attempts to unsnap a previously snapped app. This call will only succeed when the app is running in the foreground.
 			**/
-            export class ApplicationView {
-				/**
-				 * Gets the window (app view) for the current app.
-				**/
-                static getForCurrentView(): ApplicationView;
-
-				/**
-				 * Attempts to unsnap a previously snapped app. This call will only succeed when the app is running in the foreground.
-				**/
-                static tryUnsnap(): boolean;
-
-				/**
-				 * Gets the state of the current app view.
-				**/
-                static value: Windows.UI.ViewManagement.ApplicationViewState;
-
-				/**
-				 * Indicates whether the app terminates when the last window is closed.
-				**/
-                static terminateAppOnFinalViewClose: boolean;
-
-				/**
-				 * Gets the current orientation of the window (app view) with respect to the display.
-				**/
-                orientation: ApplicationViewOrientation;
-
-				/**
-				 * Gets or sets the displayed title of the window.
-				**/
-                title: string;
-
-				/**
-				 * Gets or sets whether screen capture is enabled for the window (app view).
-				**/
-                isScreenCaptureEnabled: boolean;
-
-				/**
-				 * Gets whether the window (app view) is on the Windows lock screen.
-				**/
-                isOnLockScreen: boolean;
-
-				/**
-				 * Gets whether the window(app view) is full screen or not.
-				**/
-                isFullScreen: boolean;
-
-				/**
-				 * Gets the current ID of the window (app view) .
-				**/
-                id: number;
-
-				/**
-				 * Gets whether the current window (app view) is adjacent to the right edge of the screen.
-				**/
-                adjacentToRightDisplayEdge: boolean;
-
-				/**
-				 * Gets whether the current window (app view) is adjacent to the left edge of the screen.
-				**/
-                adjacentToLeftDisplayEdge: number;
-
-                /**
-                 * Gets the title bar of the app.
-                **/
-                titleBar: ApplicationViewTitleBar;
-            }
+                	static tryUnsnap(): boolean;
 
 			/**
-			 * Defines the set of display orientation modes for a window (app view).
+			 * Gets the state of the current app view.
 			**/
+			static value: Windows.UI.ViewManagement.ApplicationViewState;
+			
+			/**
+			 * Indicates whether the app terminates when the last window is closed.
+			**/
+                	static terminateAppOnFinalViewClose: boolean;
+			
+			/**
+			 * Gets the current orientation of the window (app view) with respect to the display.
+			**/
+                	orientation: ApplicationViewOrientation;
+			
+			/**
+			 * Gets or sets the displayed title of the window.
+			**/
+                	title: string;
+			
+			/**
+			 * Gets or sets whether screen capture is enabled for the window (app view).
+			**/
+			isScreenCaptureEnabled: boolean;
+			
+			/**
+			 * Gets whether the window (app view) is on the Windows lock screen.
+			**/
+			isOnLockScreen: boolean;
+			
+			/**
+			 * Gets whether the window(app view) is full screen or not.
+			**/
+			isFullScreen: boolean;
+			
+			/**
+			 * Gets the current ID of the window (app view) .
+			**/
+			id: number;
+			
+			/**
+			 * Gets whether the current window (app view) is adjacent to the right edge of the screen.
+			**/
+			adjacentToRightDisplayEdge: boolean;
+			
+			/**
+			 * Gets whether the current window (app view) is adjacent to the left edge of the screen.
+			**/
+			adjacentToLeftDisplayEdge: number;
+			
+			/**
+			 * Gets the title bar of the app.
+			**/
+			titleBar: ApplicationViewTitleBar;
+		}
+
+		/**
+	 	 * Defines the set of display orientation modes for a window (app view).
+		**/
             export enum ApplicationViewOrientation {
                 landscape,
                 portrait