API changes
We encourage you to move away from deprecated APIs to get the best performance from your app. Also, some API elements have moved to new namespaces.

The following API elements are deprecated.
API element	Replace with
Pivot.LoadingPivotItem	Pivot.PivotItemLoading
Pivot.LoadedPivotItem	Pivot.PivotItemLoaded
Pivot.UnloadingPivotItem	Pivot.PivotItemUnloading
Pivot.UnloadedPivotItem	Pivot.PivotItemUnloaded
Display.DisplayProperties	Display.DisplayInformation.GetForCurrentView
MediaPlayer.UriSource	MediaPlayer.SetUriSource
ActivateBackgroundObject	IBackgroundTask (see “Background Audio”)
NavigateThemeTransition	NavigationThemeTransition
ExitTarget	ExitElement
EntranceTarget	EntranceElement
IsExitTargetProvider	ExitElementContainer
TurnstileNavigationTransitionInfo	CommonNavigationTransitionInfo
PhoneFontSize19	TextStyleLargeFontSize
PhoneFontSizeMedium	TextStyleLargeFontSize
PhoneFontSizeLarge	TextStyleExtraLargeFontSize
PivotHeaderFontSize	PivotHeaderItemFontSize
PivotTitleFontSize	TextStyleLargeFontSize
SetBoundsForLayout	SetDesiredBoundsMode
BoundsForLayout	DesiredBoundsMode
ApplicationViewLayoutBoundsOption	ApplicationViewBoundsMode
VisibleBounds	UseVisible
CoreWindowsBounds	UseCoreWindow
Windows.UI.ViewManagement.Application.IsImmersive	Windows.UI.ViewManagement.ApplicationView. SuppressSystemOverlaysWindows.UI.ViewManagement.ApplicationView.SuppressSystemOverlays

The following API elements have new types.
API element	Old type	New type
Pivot.Title	string	object

The following API elements have moved from the Windows.UI.Xaml.Phone namespace.
API element	New namespace
DatePickerFlyout	Windows.UI.Xaml.Controls
DatePickerFlyoutItem	Windows.UI.Xaml.Controls
DatePickerFlyoutPresenter	Windows.UI.Xaml.Controls
DateSelectionCompletedEventArgs	Windows.UI.Xaml.Controls
DateSelectionCompletedEventHandler	Windows.UI.Xaml.Controls
ItemsSelectionCompletedEventArgs	Windows.UI.Xaml.Controls
ItemsSelectionCompletedEventHandle	Windows.UI.Xaml.Controls
ListPickerFlyout	Windows.UI.Xaml.Controls
ListPickerFlyoutPresenter	Windows.UI.Xaml.Controls
PickerFlyout	Windows.UI.Xaml.Controls
PickerFlyoutPresenter	Windows.UI.Xaml.Controls
Pivot	Windows.UI.Xaml.Controls
PivotItem	Windows.UI.Xaml.Controls
PivotItemEventArgs	Windows.UI.Xaml.Controls
PivotItemLoadedEventHandler	Windows.UI.Xaml.Controls
PivotItemLoadingEventHandler	Windows.UI.Xaml.Controls
PivotItemUnloadedEventHandler	Windows.UI.Xaml.Controls
PivotItemUnloadingEventHandler	Windows.UI.Xaml.Controls
PivotSlideInAnimationGroup	Windows.UI.Xaml.Controls
SelectionCompletedEventArgs	Windows.UI.Xaml.Controls
TimePickerFlyout	Windows.UI.Xaml.Controls
TimePickerFlyoutPresenter	Windows.UI.Xaml.Controls
TimeSelectionCompletedEventArgs	Windows.UI.Xaml.Controls
TimeSelectionCompletedEventHandler	Windows.UI.Xaml.Controls
JumpListItemBackgroundConverter	Windows.UI.Xaml.Controls.Primitives
JumpListItemForegroundConverter	Windows.UI.Xaml.Controls.Primitives
LoopingSelector	Windows.UI.Xaml.Controls.Primitives
LoopingSelectorItem	Windows.UI.Xaml.Controls.Primitives
LoopingSelectorPanel	Windows.UI.Xaml.Controls.Primitives
PickerFlyoutBase	Windows.UI.Xaml.Controls.Primitives
PivotHeaderItem	Windows.UI.Xaml.Controls.Primitives
PivotHeadersControl	Windows.UI.Xaml.Controls.Primitives
ContinuumNavigationTransitionInfo	Windows.UI.Xaml.Media.Animation
NavigateThemeTransition	Windows.UI.Xaml.Media.Animation
SlideNavigationTransitionInfo	Windows.UI.Xaml.Media.Animation
TurnstileNavigationTransitionInfo	Windows.UI.Xaml.Media.Animation
DatePickerFlyoutPresenterAutomationPeer	Windows.UI.Xaml.Automation.Peers
LoopingSelectorAutomationPeer	Windows.UI.Xaml.Automation.Peers
LoopingSelectorItemAutomationPeer	Windows.UI.Xaml.Automation.Peers
LoopingSelectorItemDataAutomationPeer	Windows.UI.Xaml.Automation.Peers
PivotAutomationPeer	Windows.UI.Xaml.Automation.Peers
PivotItemAutomationPeer	Windows.UI.Xaml.Automation.Peers
TimePickerFlyoutPresenterAutomationPeer	Windows.UI.Xaml.Automation.Peers