Here's the XAML Hot Reload Preview 1 for Uno Platform!

To install this release, please read the following guide.

Features

• Add support for Windows.System.Display.DisplayRequest API on iOS and Android
• Add support for the following Windows.System.Power.PowerManager APIs on iOS and Android:
  • BatteryStatus
  • EnergySaverStatus
  • PowerSupplyStatus
  • RemainingChargePercent
  • PowerSupplyStatusChanged
  • EnergySaverStatusChanged
  • RemainingChargePercentChanged
  • BatteryStatusChanged
• Updated CheckBox glyph to match UWP style on all platforms
• Add support for the following DisplayInformation properties on iOS and Android:
• Add support for CurrentInputMethodLanguageTag and TrySetInputMethodLanguageTag on Android, iOS and WASM
• Add support for ChatMessageManager.ShowComposeSmsMessageAsync (and ChatMessage Body and Recipients properties) on iOS and Android
• Add support for the following DisplayInformation properties on iOS and Android:
  • CurrentOrientation
  • LogicalDpi
  • NativeOrientation
  • RawDpiX
  • RawDpiY
  • ResolutionScale
  • StereoEnabled
  • RawPixelsPerViewPixel
  • DiagonalSizeInInches
  • ScreenHeightInRawPixels
  • ScreenWidthInRawPixels
  • AutoRotationPreferences
• Performance improvements
  • Use Span<T> for Grid layout
  • Optimize Wasm text measuring
  • Performance improvements in TSInteropMarshaller.InvokeJS
• [Wasm] Improve TextBlock measure performance
• [Wasm] Improve PivotItem template pooling
• 150233 [Android] fixed status-bar, keyboard, nav-bar layout on android
• Add support for Brush implicit conversion (Fixes #730)
• Add XamlReader support for top level ResourceDictionary (#640)
• Add support for IDictionary objects in XAM (#729)
• Add support for Binding typed property (#731)
• Add support for RelativeSource.Self bindings
• 149377 Improve performance of TimePicker and DatePicker on iOS.
• 145203 [iOS] Support ScrollViewer.ChangeView() inside TextBox
• 150793 [iOS] Add ListView.UseCollectionAnimations flag to allow disabling native insert/delete animations
• 150882 [iOS] Fix visual glitch when setting new RenderTransform on a view
• [Wasm] Add support of hardware/browser back button in SystemNavigationManager.BackRequested
• [Wasm] Added support for custom DOM events
• WebAssembly UI tests are now integrated in the CI
• Enable support for macOS head development
• [Wasm] Add NativeXXX styles (which are aliases to the XamlXXX styles)
• [Wasm] Enable persistence for all ApplicationData folders
• [Wasm] Add Samples App UI Screenshots diffing tool with previous builds
• Add PasswordVault on supported platfrosm
• [Android] Updated support libraries to 28.0.0.1 for Android 9
• Add support for x:Load
• [Wasm] Restore support for x:Load and x:DeferLoadStrategy
• [Wasm] Scrolling bar visibility modes are now supported on most browsers
• Fix invalid cast exception when using x:Load or x:DeferLoadStrategy
• Add Windows.Globalization.Calendar
• [Wasm] Support of overlay mode of the pane
• Using State Triggers in VisualStateManager now follows correct precedence as documented by Microsoft
• Add support for FlyoutBase.AttachedFlyout and FlyoutBase.ShowAttachedFlyout()
• x:Bind now supports binding to fields
• Grid positions (Row, RowSpan, Column & ColumnSpan) are now behaving like UWP when the result overflows grid rows/columns definition
• [Wasm] Improve TextBlock measure performance
• [Wasm] Improve Html SetAttribute performance
• MenuBar
  • Import of MenuBar code, not functional yet as MenuItemFlyout (Issue #801)
  • Basic support for macOS native system menus
• Ensure FrameworkElement.LayoutUpdated is invoked on all elements being arranged
• Fix Grid.ColumnDefinitions.Clear exception (#1006)
• 155086 [Android] Fixed AppBarButton.Label taking precedence over AppBarButton.Content when used as PrimaryCommands.
• ComboBox
  • Remove dependency to a "Background" template part which is unnecessary and not required on UWP
  • Make sure that the PopupPanel hides itself if collapsed (special cases as it's at the top of the Window)
  • [iOS] Add support of INotifyCollectionChanged in the Picker
  • [iOS] Remove the arbitrary null item added at the top of the Picker
  • [iOS] Fix infinite layouting cycle in the iOS picker (Removed workaround which is no longer necessary as the given method is invoked properly on each measure/arrange phases)
• [Wasm] Refactored the way the text is measured in Wasm. Wasn't working well when a parent with a RenderTransform.
• Grid now supports ColumnDefinition.MinWidth and MaxWidth and RowDefinition.MinHeight and MaxHeight (#1032)
• Implement the PivotPanel measure/arrange to allow text wrapping in pivot items
• [Wasm] Add PathIcon support
• Add support UI Testing support through for Uno.UI.Helpers.Automation.GetDependencyPropertyValue

Breaking Changes

• The WebAssemblyRuntime.InvokeJSUnmarshalled method with three parameters has been removed.
• NavigationBarHelper has been removed.
• Localized Text, Content etc is now applied even if the Text (etc) property isn't set in Xaml. Nested implicit content (eg <Button><Border>...) will be overridden by localized values if available.
• [Android] Unless nested under SecondaryCommands, the AppBarButton.Label property will no longer be used for the title of menu item, instead use the AppBarButton.Content property. For SecondaryCommands, keep using AppBarButton.Label.
• The WordEllipsis was removed from the TextWrapping as it's not a valid value for UWP (And it was actually supported only on WASM) (The right way to get ellipsis is with the TextTrimming.WordEllipsis)

Bug fixes

• DatePicker FlyoutPlacement now set to Full by default
• Semi-transparent borders no longer overlap at the corners on Android
• The HAS_UNO define is now not defined in uap10.0.x target frameworks.
• The XamlReader fails when a property has no getter
• Click and Tapped events were not working property for ButtonBase on Android and iOS.
• 146790 [Android] AndroidUseManagedLoadedUnloaded causes partial item shuffling in ListView
• 150143 [Android] Toggling TextBox.IsReadOnly from true to false no longer breaks the cursor
• WasmHttpHandler was broken because of a change in the internal Mono implementation.
• 140946 [Android] Upon modifying a list, incorrect/duplicated items appear
• 150489 [Android] PointerCanceled not called on scrolling for views with a RenderTransform set
• 150469 [iOS] Virtualized ListView items don't always trigger their multi-select VisualStates
• 1580172 ToggleSwitch wasn't working after an unload/reload: caused by routedevent's unregistration not working.
• 145203 [Android] Fix overflow on LogicalToPhysicalPixels(double.MaxValue), allowing ScrollViewer.ChangeView(double.MaxValue,...) to work
• 150679 [iOS] Fix path issue with Media Player not being able to play local files.
• Adjust support for StaticResource.ResourceKey
• 151081 [Android] Fix Keyboard not always dismissed when unfocusing a TextBox
• [WASM] Support not_wasm prefix properly. (#784)
• 151282 [iOS] Fixed Slider not responding on second navigation, fixed RemoveHandler for RoutedEvents removing all instances of handler
• 151497 [iOS/Android] Fixed Slider not responding, by ^ RemoveHandler fix for RoutedEvents
• 151674 [iOS] Add ability to replay a finished video from media player
• 151524 [Android] Cleaned up Textbox for android to remove keyboard showing/dismissal inconsistencies
• Fix invalid code generation for x:Name entries on Style in resources
• [Wasm] Fix incorrect TextBlock measure with constrains
• 151676 [iOS] The keyboard is closing when tap on the webview or toolbar
• 151655 [TimePicker][iOS] First time you open time picker it initializes the existing value to current time
• 151656 [TimePicker][iOS] Time picker always shows +1 minute than selected value
• 151657 [DatePicker][iOS] Date picker flyout displays 1 day earlier than selected value
• 151430 [Android] Prevent touch event being dispatched to invisible view
• Fixed overflow errors in Grid.Row/Column and Grid.RowSpan may fail in the Grid layouter.
• 151547 Fix animation not applied correctly within transformed hierarchy
• Setting the .SelectedValue on a Selector now update the selection and the index
• [WASM] Fix ListView contents not remeasuring when ItemsSource changes.
• [WASM] Dismissable popup & flyout is closing when tapping on content.
• 145374 [Android] fixed android keyboard stays open on AppBarButton click
• 152504 [Android] Pointer captures weren't informing gestures of capture, fixes Slider capture issue
• 148896 [iOS] TextBlock CarriageReturns would continue past maxlines property
• 153594 [Android] EdgeEffect not showing up on listView that contain Headers and Footers
• #881 [iOS] [Android] Support explicitly-defined ListViewItems in ListView.
• #902 [Android] Resource generation now correctly escapes names starting with numbers and names containing a '-' character
• 154390 Storyboard Completed callback were not properly called when there's not children.
• [iOS] Fix bug where Popup can be hidden if created during initial app launch.
• #921 Ensure localization works even if the property isn't defined in XAML
• [WASM] Using x:Load was causing Collection was modified exception.
• Fix support for localized attached properties.
• Fix a potential crash during code generated from XAML, content were not properly escaped.
• #977 Fix exception when setting MediaPlayerElement.Stretch in XAML.
• [Android] Fix MediaPlayerElement.Stretch not applied
• [Android] Fix for ListView elements measuring/layouting bug
• Fix Grid.ColumnDefinitions.Clear exception (#1006)
• [Wasm] Align Window.SizeChanged and ApplicationView.VisibleBoundsChanged ordering with UWP (#1015)
• Add VS2019 Solution Filters for known developer tasks
• #154969 [iOS] MediaPlayer ApplyStretch breaking mediaplayer- fixed
• 154815 [WASM] ItemClick event could be raised for wrong item
• 155256 Fixed xaml generated enum value not being globalized
• 155161 [Android] fixed keyboard flicker when backing from a page with CommandBar
• Fix the processing of the GotFocus event FocusManager (#973)
• 116098 [iOS] The time/day pickers are missing diving lines on devices running firmware 11 and up.
• [iOS] Fix invalid DataContext propagation when estimating ListView item size (#1051)
• RadioButton was not applying Checked state correctly with non-standard visual state grouping in style
• [Android] Fix several bugs preventing AutoSuggestBox from working on Android. (#1012)
• #1062 TextBlock measure caching can wrongly hit
• 153974 [Android] fixed button flyout placement
• Fix support for ScrollBar touch events (#871)
• LinearGradientBrush.EndPoint now defaults to (1,1) to match UWP
• Fixed an issue where a Two-Way binding would sometimes not update values back to source correctly
• [Android] A ListView inside another ListView no longer causes an app freeze/crash
• Date and Time Picker Content fix + Refactored to use PickerFlyoutBase (to resemble UWP implementation)

Release 1.44.1

Features

• Add support for ICollectionView.CopyTo
• Add support for ViewBox
• Add support for AutoSuggestBox.ItemsSource
• Add support for Selector.SelectedValuePath (e.g. useful for ComboBox)
• Add support for JS unhandled exception logging for CoreDispatcher (support for Mixed mode troubleshooting)
• [WASM] Improve element arrange and transform performance
• Restore original SymbolIcon.SymbolProperty as a C# property
• Add support for MediaPlaybackList
• Update Uno.SourceGenerationTasks to improve build performance
  • Move to the latest Uno.SourceGenerationTasks to improve project parsing performance, and allows for the removal of unused targets caused by nventive/Uno.SourceGeneration#2. Uno.Xaml and Uno.UI.BindingHelpers now only build the required targets.
  • Move to net461 for test projects so the the Uno.Xaml project can be referenced properly
  • Use the latest MSBuild.Sdk.Extras for actual parallel cross-targeted builds
  • Move the nuget package versions to the Directory.Build.targets file so it's easier to change all versions at once.
• Add support for NavigationView Top Navigation
• Adjust SystemChromeMediumHighColor to use the Light theme
• Add support for FrameworkElement.GoToStateCore
• Adjust ListView measure/arrange for dynamic content
• Add some missing default UWP styles
• The FrameworkElement.IsLoaded property is now public
• Improve XAML generation error messages for unknown symbols
• Added default console logging for all platforms
• Add support for Application.OnWindowCreated
• Added non-throwing stubs for AutomationProperty
• Add missing system resources
• Add support for x:Bind in StaticResources (#696)
• Add support for x:Name late binding support to adds proper support for CollectionViewSource in Resources (#696)
• PointerRelease events are now marked as handled by the TextBox
• KeyDown events that are changing the cursor position (left/right/top/bottom/home/end) are now marked as handled by the TextBox
• RoutedEventArgs.IsGenerated returns false as generating events with Uno is not yet supported
• AutomationPeer.ListenerExists returns false as we cannot generating events with Uno is not yet supported
• KeyUp event properly sends KeyEventArgs to the controls
• Add ItemsSource CollectionViewSource update support (#697)
• Add support for the CollectionViewSource.ItemsPath property
• Fixed support for dots in resource names (#700)
• Add support for BindingExpression.UpdateSource()
• Updated Android version to target Android 9.0
• The CI validates for API breaking changes
• MediaTransportControls buttons now use Tapped event instead of Click
• Fixed Pointer capture issues on sliders on iOS

Breaking changes

• Make UIElement.IsPointerPressed and IsPointerOver internal
• You will not be able to build projects targeting Android 8.0 locally anymore. Change your Android target to Android 9.0 or replace MonoAndroid90 by MonoAndroid80 in the TargetFrameworks of your projects files.
• 1.43.1 breaking changes rollback to 1.42.0:
  • ObservableVector<T> is now internal again
  • TimePicker.Time and TimePicker.MinuteIncrement are now back for netstandard2.0
  • MediaPlaybackItem.Source is back as a readonly property
  • MediaPlaybackList.Items is back to an IObservableVector

Bug fixes

• Transforms are now fully functionnal
• [Wasm] Fixed ListView infinite loop when using custom containers
• [Wasm] Use Uno.UI Assembly for namespace type lookup in XamlReader
• [Wasm] Fixed System.UriConverter is being linked out
• 145075 [Android] [Wasm] Android and Wasm don't match all specific UWP behaviors for the Image control.
• [Wasm] Don't fail if the dispatcher queue is empty
• 146648 [Android] fixed ListView grouped items corruption on scroll
• [Wasm] Fix ListView recycling when the XamlParent is not available for AutoSuggestBox
• 147405 Fix NRE on some MediaTransportControl controls
• #139 Update Uno.SourceGenerationTasks to improve build performance
• Update Uno.UI.Toolkit base UWP sdk to 17763
• [Wasm] Fixes items measured after being removed from their parent appear in the visual tree, on top of every other items.
• [Wasm] Fixes lements may not be removed form the global active DOM elements tracking map
• [Wasm] Disable the root element scrolling (bounce) on touch devices
• Fixed invalid iOS assets folder. ImageAsset nodes must not be <Visible>false</Visible> to be copied to the generated project.
• Make CollectionViewSource.View a proper DependencyProperty (#697)
• Fixed support for string support for Path.Data (#698)
• 150018 Fix nullref in Pivot when using native style
• 149312 [Android] Added FeatureConfiguration.NativeListViewBase.RemoveItemAnimator to remove the ItemAnimator that crashes when under stress
• 150156 Fix ComboBox not working when using Popover.
• Click and Tapped events were not working property for ButtonBase on Android and iOS.
• 150233 [Android] fixed status-bar, keyboard, nav-bar layout on android
  • LayoutProvider exposes the Rects of status-bar, keyboard, navigation-bar, and an LayoutChanged event to monitor the changes.
• 150143 [Android] Toggling TextBox.IsReadOnly from true to false no longer breaks the cursor

Features

• [Wasm] Improve general performance and memory pressure by removing Javascript interop evaluations.
• Add support for Windows 10 SDK 17763 (1809)
• Improve the Uno.UI solution memory consumption for Android targets
• Add support for GridLength conversion from double
• Raise exceptions on missing styles in debug configuration
• Add working ViewBox stub
• Path.Data property now invalidates measure and arrange
• Wasm Image logs Opened and Failed events
• Add UpToDateCheckInput to avoid VS invalid incremental rebuilds
• 35178 Added recipe for copying text to clipboard
• Added ToogleSwitch documentation in Uno/Doc/Controls.
• Added new properties for ToggleSwitch Default Native Styles.
  [iOS] For BindableUISwitch : TintColorBrush property was added to be able to tint the outline of the switch when it is turned off.
  [Android] For BindableSwitchCompat : - Text property was added in order to change the ToggleSwitch label.
  - TextColor property was added in order to change the ToggleSwitch label color.
  - ThumbTint property was added in order to change the Thumb color.
  - TrackTint property was added in order to change the Track color.
• Samples apps now contain a Unit Tests page
• Added missing resources for NavigationViewItem
• All Nuget and VSIX artifacts are now Authenticode signed
• Resource strings are now loaded from upri files for faster resolution
• Add FeatureConfiguration.Interop.ForceJavascriptInterop to enable JS Eval fallback in Wasm mode.
• Add support for 1809 NavigationView
• Add support for runtime conversion of global static resources unknown at compile time
• Fixed fallback support for Style property set via ThemeResource
• Add support for multiple resw folders with upri resource generation
• Add support for ThicknessHelper
• ResourceLoader adjustments …
  • CurrentUICulture and CurrentCulture are set when setting ResourceLoader .DefaultCulture
  • upri load now ignores resources not used by the current culture
• Add BrushConverter support for Color input
• Add SplitView support for PaneOpened and PaneOpening
• Add CoreApplication.GetCurrentView() Dispatcher and TitleBar stubs support
• Add support for IsItemItsOwnContainer iOS ListView
• Add missing Android Sample App symbols font
• Add SampleControl for Samples app for easier browsing and UI Testing of samples
• Import Border samples
• Improve UIElement inner Children enumeration performance and memory usage
• Add FeatureConfiguration.FrameworkElement.AndroidUseManagedLoadedUnloaded to control the native or managed propagation performance of Loaded/Unloaded events through the visual tree
• Raise Application.UnhandledException event on failed navigation
• Adjusts the Microsoft.NETCore.UniversalWindowsPlatform version in the UWP head template to avoid assembly loading issues when using the Uno library template in the sample solution.
• [Android] Add support for ListViewItem instances provided via the ItemsSource property
• Added support to disable accessibility feature of larger text on iOS and Android by adjusting the FeatureConfiguration.Font.IgnoreTextScaleFactor flag. Please note that Apple recommends to keep text sizes dynamic for a variety of reasons and to allow users to adjust their text size preferences.
• [Wasm] Code for Path.Stretch has been moved to Shape and works well now for all shapes.
• Add support for DynamicObject data binding, to enable support for Elmish.Uno.
• Add support for VS2019 VSIX installation
• Improved Xaml generation speed, and incremental build performance
• [Wasm] Fix CoreDispatcher StackOverflowException when running on low stack space environments (e.g. iOS)
• Add support for ResourceLoader.GetForViewIndependentUse(string) and named resource files
• [Wasm] Load events are now raised directly from managed code. You can restore the previous behavior (raised from native) by setting FeatureConfiguration.FrameworkElement.WasmUseManagedLoadedUnloaded = false.
• Updated memory profiling documentation
• Updated default app template iOS GC settings
• Add support for WebAssembly Web Projects
• Add support for WebAssembly debugging with Chrome
• Add support for XAML x:FieldModifier
• Add Uno.UI linker definition files
• Adjust FlyoutPresenter default template
• Add support for Flyout anchor
• Improved XAML designer support
• Improved DependencyObject performance under AOT (JS dynCalls for overrides/delegates inside of EH blocks)
• Add support for MatrixTransform, UIElement.TransformToVisual now returns a MatrixTransform

Breaking changes

• Refactored ToggleSwitch Default Native XAML Styles. (cf. 'NativeDefaultToggleSwitch' styles in Generic.Native.xaml)
  [iOS] For BindableUISwitch : Background property was changed for OnTintColorBrush and Foreground property for ThumbTintColorBrush.
  [Android] BindableSwitch was renamed BindableSwitchCompat in order to avoid confusion with the Switch control.
• Remove invalid Windows.UI.Xaml.Input.VirtualKeyModifiers
• Time picker flyout default styles has been changed to include done and cancel buttons
• DataTemplateSelector implementations are now called using the 2 parameters overload first with a fallback to the 1 parameter overload on null returned value.
  Old behavior could be restored using FeatureConfiguration.DataTemplateSelector.UseLegacyTemplateSelectorOverload = true.
• Using "/n" directly in the XAML for a text/content property is not supported anymore in order to match the UWP behavior.
  You can use " " instead in the text/content properties or a carriage return where you need it in the localized resources.
• The ResourcesGeneration msbuild target has been renamed to UnoResourcesGeneration
  If your csproj is using this target explicily, change it to the new name.

Bug fixes

• MediaPlayerElement [iOS] Subtitles are not disable on initial launch anymore
• MediaPlayerElement [Android]Player status is now properly updated on media end
• MediaPlayerElement [Android]Fix issue when video metadata reports a width or height of 0
• #388 Slider: NRE when vertical template is not defined
• 138117 [Android] Removing a bookmarked/downloaded lesson can duplicate the assets of a different lesson.
• [Wasm] Fix VirtualizingPanelAdapter measure and arrange
• 137892 [Android] Fixed FontFamily, FontSize and FontWeight are not applied anymore on the TextBox's content.
• Don't fail on empty grid ArrangeOverride
• Don't generate the Bindable attribute if already present
• Adjust .NET template projects versions to 4.6.1
• Adjust Microsoft.CodeAnalysis versions to avoid restore conflicts
• Fix element name matching existing types fails to compile (e.g. ContentPresenter)
• 138735 [Android] Fixed broken DatePicker
• Multi-selection Check Boxes in ListViewItems are appearing brielfly (#403)
• 140721 [Android] FlipView not visible when navigating back to page
• 138537 [iOS] App freezes after State selection causing infinite load on every subsequent launch
• Fix invalid Border Content type for macOS
• Don't fail iOS ListView if item Content is null
• [Wasm] Implement naive refresh for items manipulation in the ListViewBase
• 3326 [iOS][ItemsControl] ItemsControl in FlipView does not restore items properly
• Fix NRE in Slider when no template is applied
• Fix Frame does not unset Page.Frame when a page is removed
• Add Wasm PlatformNotSupportedException for System.IO after CoreFX merge in mono
• Border properties now invalidates measure and arrange on all platforms
• 141907 [Android] [iOS] The toggle switch is half missing.
• 142937 [Android] [iOS] Some Button ThemeBrushes are missing.
• 143527 [Android] Fixed broken TimePicker Flyout on android devices.
• 143596 [Wasm] Images stretching is incorrect
• 143595 [Wasm] Wasm ListView Resizing is not working - Limitation: items can't change its size yet, but it's now getting measured/arranged correctly.
• 143527 [Android] Fixed broken TimePicker Flyout on android devices.
• 143598 [Wasm] Wasm Animation rotation center is incorrect
• Fixes invalid parsing of custom types containing {} in their value (#455)
• Add workaround for iOS stackoverflow during initialization.
• Improve the file locking issues of Uno.UI.Tasks MSBuild task
• Fix VisibleBoundsPadding memory leak
• [ios] Time picker missing "OK" confirmation button
• #87 / 124046 ComboBox incorrect behavior when using Items property
• [Wasm] ComboBox wasn't working anymore since few versions
• Fix memory leak with defining event handlers in XAML documents
• Fix memory leak in CommandBar
• Fix memory leak when using x:Name in XAML documents
• 143170 [iOS] [WatermarkedDatePicker] When the Maxyear boundary is reached the first time, the calendar goes back two days instead of one
• #491 DataTemplateSelector.SelectTemplate is not called on iOS and Android. The behavior is now closer to UWP.
• 144268 / #493 : Resources outside of 'en' folder not working
• Support for duplicate XAML AutomationProperties.Name
• ListViewBase.SelectedItems is updated on selection change in Single selection mode
• #528 ComboBoxes are empty when no datacontext
• Ensure that Uno.UI can be used with VS15.8 and earlier (prevent the use of VS15.9 and later String APIs)
• [Android] Listview Items stay visually in a pressed state,(can click multiple) when you click then scroll down, click another item, and scroll back up
• 144101 fixed ListView group headers messed up on item update
• #527 Fix for Selector.SelectionChanged is raised twice on updated selection
• [iOS] Add fail-safe on FrameworkElement.WillMoveToSuperview log to Application.Current.UnhandledException

This release is contains a preview of the WebAssembly projects and C# debugger.

See this article for more details on this release.

This new release includes the following major features :

• Add support for NavigationView control (#325)
• [WASM] Support virtualization in ListView (#234)
• Add base infrastructure platform for macOS
• Add support for UIElement.Clip for WebAssembly
• Add BitmapIcon support

And other features:

• Add a behavior so that tap makes controls fade out
• [Android], [iOS] ListViewBase Support MultiSelectStates on ListViewItem. This allows the item container
  to visually adapt when multiple selection is enabled or disabled.
• Add support for inner-Uno.UI strings localization
• Add stubs for RichTextBlock
• Add support for SymbolIcon control for WebAssembly and iOS
• Add BitmapIcon.ShowAsMonochrome support
• Add support for Windows.Foundation.UniversalApiContract in IsApiContractPresent
• Add support for ContentProperty on UserControl
• Add DelegateCommand

This new release also addresses the following issues :

• [Android] Fixed ImageBrush flash/flickering occurs when transitioning to a new page for the first time.
• [iOS] Fixed bug where stale ScrollIntoView() request could overwrite more recent request
• [iOS] ScrollIntoView() throws exception for ungrouped lists
• [Android] TextBlock.Text isn't visually updated if it changes while device is locked
  Fix Android and iOS may fail to break on breakpoints in .xaml.cs if the debugging symbol type is Full in projects
  created from templates.
• [Android] Path is cut off by a pixel
• [Android] Window bounds incorrect for screen with rounded corners
• [WASM] Text display was chopped on Wasm. (#312)
• WebView No longer raises NavigationFailed and NavigationCompleted events when navigation is cancelled on
  iOS.
• [Android] Page elements are aligned differently upon back navigation
• [iOS] Image inside Frame doesn't respond to orientation changes
• Fix crash when a VisualState does not have a valid Name
• Adjust compiled binding application ordering when loading controls
• Ensure the SplitView templated parent is propagated properly for FindName
• Fix infinite loop when parsing empty Attached Properties on macOS
• [iOS] Fixed DatePickerSelector not propagating coerced initial value
• [iOS] Navigating to a second local html file with WebView doesn't work.
• CommandBar doesn't take the proper space on iOS phones in landscape
• Image with partial size constraint now display properly under Wasm.
• [iOS][TextBlock] Measurement is always different since we use Math.Ceiling
• [iOS] ListView - fix bug where item view is clipped
• [Android] Incorrect offset when applying RotateTransform to stretched view
• Now supports internal object in desource dictionaries
• CommandBar doesn't take the proper space on iOS phones in landscape
• The explicit property <Style.Setters> does not intialize style setters properly (#26 )
• [Android] ListView shows overscroll effect even when it doesn't need to scroll
• iOS project compilation fails: Can't resolve the reference 'System.Void
  Windows.UI.Xaml.Documents.BlockCollection::Add(Windows.UI.Xaml.Documents.Block) (#376 )

As a breaking change, the collapsible button bar is now taken into account by visible bounds calculation.
Apps which use VisibleBoundsPadding or have command bars will therefore see an adjustment to the height of their windows on Android.

View the full change log.

This new release includes a new implementation for the MediaPlayerElement control (#154).

This new release also addresses the following issues :

• [Android] SimpleOrientationSensor calculations was updated based on SensorType.Gravity or based on single angle orientation when the device does not have a Gyroscope.
• [iOS] The Time Picker flyout placement is not always respected.
• [Android] Fixed the loading of ItemsPresenter.
• [iOS] Fixed an issue when back swiping from a page with a collapsed CommandBar.
• [iOS] Setting a different DP from TextBox.TextChanging can cause an infinite 'ping pong' of changing Text values.
• [iOS] MenuFlyout was not loaded correctly, causing templates containing a MenuFlyout to fail.
• [iOS] Image performance improvements.
• [iOS] Fixed ImageBrush flash/flickering occurs when transitioning to a new page.
• [Android] Fix crash in UpdateItemsPanelRoot() in the ItemsControl class.
• [Android] Set the leading edge considering header can push groups out off the screen.
• [Android] Fixed Window bounds set too late.
• [iOS] Improve ListView.ScrollIntoView() when ItemTemplateSelector is set.
• [Android] Content occasionally fails to show because binding throws an exception.
• [Android] Binding MediaPlayerElement.Source causes video to go blank.
• [iOS] ComboBox does not display its Popup.
• [iOS] Ensures the back gesture is enabled and disabled properly when the CommandBar is visible, collapsed, visible with a navigation command and collapsed with a navigation command.

View the full change log.

This new experimental release adresses the following issues :

• VSIX solution now targets UWP 16299 to allow for UWP Xaml Edit and Continue to work out of the box
• Some animations after transitions would not execute properly [Android]
• Fix for some RenderTransform origin was incorrectly set [iOS]
• Disable source generation for UWP 16299 and later, where Uno.UI's netstandard2.0 was incorrectly selected (#5)
• Adjust for invalid Xaml markup extension escape sequence
• Adjust hit testing for shapes [Wasm]