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Changelog

Unreleased

Common

  • Add outputType in project files (acbcee3)
  • Update project and config files (85ff816)
  • Update GLHelper.h includes on Android (2b143eb)
  • Simplify Android runtime version check (#1480)
  • Update macros and uxl files (#1491)
  • Update unoproj syntax in doc-comments (#1493)
  • Switch default UI rendering on iOS and Android (#1502)

Experimental.TextureLoader

  • Remove legacy Experimental.TextureLoader library (#1458)

Fuse.Camera

  • Update permissions for Android 13 (#1487)

Fuse.Common

  • Remove obsolete methods and enum value (#1492)
    • Fuse.Json.Escape(string s)
    • Fuse.Json.Escape(string s, StringBuilder sb)
    • Fuse.SystemFont.Weight.SemiBold

Fuse.Controls.CameraView

  • Android: Fix Android 13 permission (#1496)

Fuse.Controls.Native

  • Native ScrollView feature parity with the Graphics Mode (#1497)
  • Android: Fix native ScrollView where nested with horizontal ScrollView (#1500)
  • Native Video Component (#1501)
  • Native Slider Android: fix bug recursive setting value (#1504)
  • Android: Fix Scrollview with content padding (#1505)
  • Android: Native Scrollview snap min/max and bounce scroll (#1509)
  • Android: Scrolling detect Improvement (#1512)
  • Android: Add Icon Symbols using Material Symbols (#1513)
  • iOS: Add Icon Symbols using SF Symbols (#1513)

Fuse.Controls.Primitives

  • iOS: Fix crash when removing Shadow (#1498)
  • Fix bugs and improve native rendering for Image, Circle and Shadow (#1507)

Fuse.Controls.Video

  • Upgrade Fuse.Video.CIL to .NET 6.0 (#1475)

Fuse.Controls.ScrollView

  • ScrollView push to native for property changes (#1510)

Fuse.Drawing.Surface

  • Update assembly references for .NET 6.0 (#1476)

Fuse.ImageTools

  • Android: Fix Android 13 permission (#1499)

Fuse.LocalNotifications

  • Android: Fix compatibility with the Android 13 and indentation (#1473)

Fuse.Maps

  • iOS: Fix memory leaks with MapView (#1503)
  • Android: MapView sanitary check (#1511)

Fuse.Nodes

  • Remove obsolete methods (#1492)
    • Fuse.VisualBounds.Transform(float4x4 matrix)
    • Fuse.VisualBounds.TransformFlatten(float4x4 matrix)
    • Fuse.VisualBounds.BoxTransform(Box box, float4x4 transform)
  • Android: Fix crash on layout transformation (#1506)

Fuse.Scripting

  • Deprecate NativePromise without Context (#1467)
  • Remove obsolete methods (#1492)
    • Fuse.Scripting.IThreadWorker.Invoke(Uno.Action action)
    • Fuse.Scripting.Context.Invoke(Uno.Action action)
    • Fuse.Scripting.ModuleResult.Object
    • Fuse.Scripting.ModuleResult.Exports
    • Fuse.Scripting.NativeEvent.RaiseAsync(params object[] args)
    • Fuse.Scripting.Object.InstanceOf(Function type)
    • Fuse.Scripting.Object.CallMethod(string name, params object[] args)
    • Fuse.Scripting.Function.Call(params object[] args)
    • Fuse.Scripting.Function.Construct(params object[] args)

Fuse.Scripting.JavaScript

  • TypeScript and transpiler support in UX files (#1472)
  • Upgrade V8Simple.net for .NET 6.0 (#1483)

Polyfills.Window

  • Blob and URL polyfill, enhance fetch, and sanitary check (#1508)

Other changes

  • Upgrade Fuse.Profiling tool to .NET 6.0 (#1474)
  • Upgrade android-build-tools to v2.x (#1488)
  • Ignore tests failing on macOS (#1484)
  • Kill tests after 15 minutes (#1489)
  • OS X -> macOS clean up (#1495)

v2.9.2...v3.0.0-beta.10

2.9.2

Fuse.Maps

  • com.google.android.gms:play-services-maps -> 17.0.0 (#1494)

This is the minimum version required to be published on Google Play.

v2.9.1...v2.9.2

2.9.1

Fuse.PushNotifications

  • Remove AD_ID permission on Android (#1482)

v2.9.0...v2.9.1

2.9

Fuse.LocalNotifications

  • Support latest Android and iOS version (#1473)
  • Fix package name on Android (#1477)

Fuse.PushNotifications

  • Upgrade firebase-messaging -> 23.2.0 (#1479)
  • Support latest Android version (#1479)

v2.8.0...v2.9.0

2.8

Fuse.Controls.DrawingPanel

  • New library for drawing using your finger (#1470)

Fuse.Scripting.JavaScript

  • Support async/await in JavaScript via "regenerator-runtime" (#1465)

Fuse.Scripting

  • Add Context parameter to native promises (#1468)
  • Implemenentation clean-up using lambda functions (#1466)

Other changes

  • Update iOS include headers (#1471)
  • Add tsconfig module for FuseJS (0c3721d)
  • Upgrade nodejs -> 16 (77ca8e6)

v2.7.0...v2.8.0

2.7

Fuse.Controls.Panels

  • Take screenshot of a Panel and save as a file (#1461)

Fuse.Controls.ScrollView

  • Add Snapping feature for ScrollView (#1459)

Fuse.Launcher.Phone

  • Add SMS launcher and scriptmethod (#1464)

Fuse.PushNotifications

  • Android 12 compatibility fix (#1463)

Fuse.Scripting

  • Add Context parameter to NativePromise delegates (#1460)

Fuse.Storage

  • Fix desktop implementation of UserSettings (#1462)

Other changes

  • Use Node.js v14 on AppVeyor (#1457)

v2.6.0...v2.7.0

2.6

Fuse.Platform

  • Device orientation for iOS 16 compatibility (#1454)

Fuse.Scripting

  • Add Context.Stringify() method (#1455)

Other changes

  • Add Fuse.Alerts to doc-export (#1456)

v2.5.0...v2.6.0

2.5

Fuse.Controls.WebView

  • Upgrade PickImage for Android to version 3.0.01 (#1453)

Fuse.ImageTools

  • Prevent duplicate paths on iOS (#1451)

Fuse.LocalNotifications

  • Android 12 compatibility fix (#1452)

v2.4.0...v2.5.0

2.4

Fuse.Controls.WebView

  • Improvements for wrapping web apps
    • iOS: Enabling edge swipe for history back
    • iOS: Disable preview a page on long pressing a link
    • Android: Hide zoom button controls

v2.3.0...v2.4.0

2.3

Fuse.Controls.Panels

  • Introduce new type of Panel: CollectionPanel (#1446)

Fuse.Controls.WebView

  • WebView (Android): Image picker dialog (#1448)

v2.2.1...v2.3.0

2.2

Fuse.Shortcut

  • New library for home screen shortcuts (#1440)

Fuse.Controls.Primitives

  • Fix memory leak in Glass effect (#1441)

Fuse.Drawing

  • Experimental support for dashed strokes (#1442)

Fuse.iOS

  • Update device orientation implementation (#1443)

Fuse.Text

  • Silences warnings when building on Mac with Xcode 13 (#1444)

v2.1.1...v2.2.0

2.1

Fuse.ImageTools

  • Transparency support for images from base64 (#1434)

Fuse.Launcher

  • InAppBrowser launcher (#1412)

Fuse.Controls.WebView

  • Support fullscreen mode (#1435)
  • Download ability (#1436)
  • Open file picker for file inputs (#1439)

v2.0.1...v2.1.0

2.0

Breaking changes

  • TextControl accessibility: Introduce MinFontScale and MaxFontScale Property (#1362)
  • Single finger PanGesture (#1428)

Fuse.Physics

  • Draggable enhancements (#1373)
    • Refactor Draggable using IGesture System
    • Introduce Translation property to Draggable to track translation position when user drag a visual with Dragabble behavior attached
    • Introduce two new Triggers:
      • DragStarted Pulse when dragging activity has been started
      • DragEnded Pulse when dragging activity has been ended
    • Drag and Drop API. Experimental support for drag and drop between visual element. Introduce sets of Triggers:
      • WhileDraggingOver Activated when Visual that contain Draggable behavior and WhileDraggingOver trigger is overlaped / intersected with the Target Visual property that is defined in WhileDraggingOver
      • WhileDroppingBy Activated when Visual that contain WhileDroppingBy trigger being overlaped / intersected by Source Draggable Visual
      • Dropped Pulse when Draggable Visual is being dropped to the target visual and vice versa

Fuse.Elements

  • Lazy load feature on ImageFill brush. Introduce AutoLoad bool property to control when we fetch the image data. The default value is true which means it automatically load the image data and display it whenever it rooted. Set it to false to make it lazy load and using the new LoadImage trigger action to actually load the image (#1401)
  • Added TargetSize property on HttpImageSource and FileImageSource to resize the image before displaying. Only works on iOS and Android (#1401)

Fuse.Controls.DatePicker

  • Add Style property to DatePicker and TimePicker (#1384, #1420)

Fuse.Controls.Primitives

  • TextControl accessibility feature. Introduce MinFontScale and MaxFontScale Property to control the minimum or maximum text scaling behavior when the text/font size configuration setting on the phone has changed. Now default Fuse will honor the phone's text/font size configuration setting and will change all of the texts or labels in the Fuse App to match the setting. If you don't want the behavior you can pass a compiler flag:IGNORE_FONT_SCALING when building the app i.e: uno build ios -DIGNORE_FONT_SCALING (#1362)
  • Added MaxLines property to the Text component to limit the number of lines when TextWrapping property is set to Wrap (#1385)
  • Added support for Shadow Behavior in NativeViewHost (#1380)
  • Added support for rendering backdrop filter of glass effect using the new Glass behavior (#1381, #1426)
  • Lazy load feature on Image component. Introduce AutoLoad bool property to control when we fetch the image data. The default value is true which means it automatically load the image data and display it whenever it rooted. Set it to false to make it lazy load and using the new LoadImage trigger action to actually load the image. (#1401)
  • Added LoadImage trigger action to load image data for Image or ImageFill (#1401)

Fuse.Auth

  • Introducing Fuse.Auth, the easiest way to perform user authentication using biometric sensor that reside on the device such as fingerprint or FaceID (#1351)
  • Introducing Platform SignIn. a Sign In mechanism that use Sign In With Apple on iOS and Google SignIn on Android. There is two API added, PlatformSignIn as trigger action and FuseJS/Auth as javascript module (#1366)

MapView

  • Adds a map overlay to a MapView using MapOverlay Node. There are 3 types of overlay that are supported : Polyline, Polygon and Circle (#1352)
  • Added two scriptclass function, snapshot for taking an image of the current MapView display and showAllMarkers to zoom MapView to the particular position where all of the markers is visible on the MapView (#1395)
  • Implement click event on MapOverlay (#1396)

Fuse.Triggers

  • Added trigger action SetWindowOrientation for setting device orientation (#1354)
  • Added trigger action SetStatusBarUI for setting look and feel of statusbar (#1355)

iOS enhancements

  • Fix Image bounds in NativeViewHost (#1341)
  • ImageLoader run on background thread (#1342)
  • Fix memory leak on get image orientation (#1371)
  • Compatibility with latest Xcode and iOS13.4 later (#1377)
  • Fix device orientation setup, honor the project settings (#1375)
  • Fuse.Text: Upgrade ICU to v68.2 (#1403)

Android enhancements

  • Android.StatusBarConfig Added property to change status bar style: Dark or Light. (#1355)
  • Push Notifications - JSON Payload Upgrade (#1346)
  • Implement feedback vibration (#1359)
  • Fix text rendering (#1405)
  • Don't add BACKGROUND_LOCATION to manifest (#1411)
  • TextEditRenderer: Enable horizontal scrolling only on lower versions (#1414)
  • GeoLocation Upgrade (#1344, #1345)

New features

  • Trigger Action for Native Alerts (#1397)
  • WhileScrolling Trigger (#1398)
  • Media Picker (#1427)

Other enhancements

  • Introduce DiskCachePolicy in HttpImageSource (#1356)
  • ImageSource and ImageFill Enhancement (#1360)
  • Implement TextTruncation on NativeViewHost (#1364)
  • Fix Visual Scroll Position of an element when MinScroll is Negative (#1368)
  • Experimental support for mouse wheel scroll (#1372)
  • Fix text-wrapping in NativeViewHost (#1378)
  • Update ModuleInstance.uno (#1404)
  • Tweak swipe edge navigation (#1421)
  • Fix path 's' command use relative bezier curve (#1422)

FuseJS

  • FuseJS/Environment
    • Add properties to retrieve general information that reside in the .unoproj file (#1383)
  • Biometric Module (#1379)

UX expressions

  • Add hsvColor() function (#1423)
  • Enable cast from string to float4 (#1424)
  • Add hexColor() and rgba() functions (#1425)
  • Add length() function (#1382)

Code structure

  • Make static selectors internal (#1369)
  • Rename Java packages (#1370)
  • Import Fuse.Android.Permissions from Uno.Permissions (#1387)
  • Trim trailing whitespace (#1361, #1388)
  • Include markdown docs in package (#1386)

Legacy

  • Fuse.Charting: Fix deprecation warnings in test (#1390)
  • Drop obsolete legacy code (#1389)
  • AppVeyor: Drop legacy mesa-download (#1391)
  • Replace usage of obsolete APIs (#1348)
  • Drop obsolete text file (#1350)
  • Update TypeScript definitions (#1357)

Docs and testing

  • doc-export: Add Fuse.Auth reference (#1392)
  • Fuse.Controls.CameraView: Fix type-name typo (#1393)
  • Text Test App (#1408, #1409)

v1.14.0...v2.0.0

1.14

1.14.0

Experimental.TextureLoader

  • Marked all members as obsolete. Please use TextureLoader in Uno.Graphics.Utils instead (#1327).

Fuse.Android

  • Switched to AndroidX libraries (#1323).

Fuse.iOS

  • Auto Resizing Mask Fix (#1316).
  • Fixed compile-time warnings (#1335).

Fuse.Charting

  • Fix crash caused by accessing disposed object (#1322).
  • Added the following properties (#1317).
    • PlotPoint.RadialOffset
    • PlotPoint.RadialScale
    • PlotWedge.RadialOffset
    • PlotWedge.RadialScale

FuseJS/GeoLocation

  • Added authorizationStatus (#1319).

Fuse.Gestures

  • Added HoldPress trigger (#1320).

FuseJS/InterApp

  • Added launchApp(uri) (#1324, #1325).

Fuse.PushNotifications

  • Updated IsRegistered and updated dependencies (#1318).

Fuse.Triggers

  • Print run-time warning instead of throwing exception (#1321).

Fuse.Vibration

  • On iOS you can do feedback vibration by leveraging Taptic Engine (#1338). There are 9 types of vibration:
    • Soft
    • Rigid
    • Light
    • Medium
    • Heavy
    • Success
    • Warning
    • Error
    • Selection

Expressions

  • Added more string functions (#1337):
    • trim function
    • indexOf function
    • substring function
    • replace function
    • insert function
    • split function
    • startsWith function
    • endsWith function

v1.13.0...v1.14.0.

1.13

1.13.0

FuseJS

  • FuseJS/Environment: add property to retrieve current device locale using BCP47 format (#1313).

Fuse.Alerts

  • Fixed threading issue on iOS 13 (#1299).

Fuse.Camera

  • Fixed threading issue on iOS 13 (#1294).

Fuse.CameraRoll

  • Fixed threading issue on iOS 13 (#1293).

Fuse.Common

  • Fixed system fonts on iOS 13 (#1291).
  • Added the following methods to public API (#1310).
    • Fuse.Json.Parse(string)
    • Fuse.Json.Parse(string[])

Fuse.Controls.Native

  • Added support for Dark Mode on Android (#1290).
  • Added support for Dark Mode on iOS (#1309).
  • Added new scriptmodule FuseJS/DarkMode (#1290).

Fuse.Controls.Navigation

  • Added Page Navigation swipe from edges (#1279).

Fuse.Drawing.Surface

  • Fixed SVGPathParser to better parse minimized svg data (#1302).

Fuse.GeoLocation

  • Fixed dependencies/permissions on Android (#1245).
  • Added new scriptmethod isLocationEnabled (#1245).

Fuse.ImageTools

  • Fixed crop function not using height parameter (#1300).

Fuse.Launcher.InterApp

  • Added docs for Universal and App Links support (#1282).

Fuse.Maps

  • Updated dependencies on Android (#1284).

Fuse.Models

  • Upgraded zone.js to v0.9.1 (#1296).
  • Allow unsetting/overriding Model (#1306).

Fuse.PushNotifications

  • Fixes and updates for Android and iOS (#1220, #1314).
  • Added scriptmethod isRegisteredForRemoteNotifications (#1220).
  • Fixed threading issue on iOS 13 (#1292).

Fuse.Reactive.Expressions

  • Fixed run-time warnings (#1312).

Fuse.Scripting.JavaScript

  • Upgraded V8 to v7.6.303.30 on Android (#1297).

Fuse.Storage

  • Add UserSettings module. This module provides key-value pairs mechanism to store and retrieve primitive data types (string, number, boolean) as well as an array and a JSON object (#1310).

Fuse.Triggers

  • Added Value property on TransitionState (#1286).

Fuse.iOS

  • Fixes threading issue on iOS 13 (#1308).

v1.12.0...v1.13.0.

1.12

1.12.0

Fuse.Controls.Native

  • Fixed readonly TextInput.

Fuse.Elements

  • Added DiskCache property on HttpImageSource.

Fuse.Scripting.JavaScript

  • Fixed building with -DUSE_JAVASCRIPTCORE on Android.

Fuse.Sensor

  • Added a new script module - FuseJS/Sensor.

Fuse.Share

  • Updated to new android file permission requirements when sharing.

FuseJS

  • Added definitions file for TypeScript.
  • Renamed the following methods (for TypeScript compatibility):
    • FuseJS/FileSystem: delete -> remove
    • FuseJS/FileSystem: deleteSync -> removeSync
    • FuseJS/Timer: delete -> destroy
    • FuseJS/Storage: deleteSync -> removeSync

See also v1.11.3...v1.12.0.

1.11

1.11.0

Fuse.Camera

  • Updated with new file permission requirements for newer androids.
  • Catered for out of memory error.
  • Post photo capture - rotation fix: If out of memory, won't crash but will downsize image to fit memory before adjusting rotation.
  • Fixed android app name.

Fuse.Scripting.JavaScript

  • Upgrade V8 to 6.9.427.23 on Android.

Other news

  • Switched to NPM for distribution.

1.10

1.10.0

Experimental.TextureLoader

  • Added a set of overloads that return the texture object directly instead of passing the texture via callbacks. The old callback-based overloads are deprecated.

Fuse.Controls.WebView

  • Improves WebView to handle mailto:, sms:, and tel: special URLs supported by system apps on Android and iOS.

Fuse.LocalNotifications

  • Fix bug on iOS where an app is launched (not restored) from a notification and the notification isn't delivered.

Fuse.Controls.DatePicker

  • Fixed bug which caused dates not to be selectable if the control was inside a WhileTrue on iOS.

Fuse.Deprecated.CameraView

  • This obsolete package has been removed. All functionality should be present in Fuse.Controls.CameraView instead.

Camera

  • New feature: checkPermissions() - Check if your app has access to the camera.
  • New feature: requestPermissions() - Request permission to access the camera. In iOS, if the user has previously denied access this function will redirect them to your app settings in their iPhone / iPad.

CameraRoll

  • New feature: checkPermissions() - Check if your app has access to the gallery.
  • New feature: requestPermissions() - Request permission to access the gallery. In iOS, if the user has previously denied access this function will redirect them to your app settings in their iPhone / iPad.

1.9

1.9.0

Android Layout

  • Fixed an issue causing an empty (Size = 0) layout to be performed on Android during app startup.

ScrollView

  • Implement support for horizontal scrolling in ScrollViews inside a NativeViewHost on Android

Color Expressions

  • Added the functions darken, lighten, saturate, desaturate, scaleSaturation, scaleLightness and adjustHue for improved color handling in UX expressions.
  • Added the functions rgbaToHsla and hslaToRgba for color conversions in UX expressions.

Diagnostics

  • Improved diagnostics to provide UX source location on several kinds of errors.

DotNet/Preview Gradients

  • Gradient rendering in preview previously had some limitations in the ranges of StartPoint and EndPoint it could accept. This has been fixed: points inside and outside of the element render correctly now.

EdgeNavigator

  • Changed NavigateToggle to work without a NavigationContext and remove some potential errors.

LayoutMaster

  • Fixed a redundant layout invalidation when Element.LayoutMaster is changed. This would result in broken LayoutAnimation as multiple layouts could be triggered by a Change.

Layout

  • Fixed invalid layout caching when a relative container size changed. This affected ScrollView and DockPanel, in particular it may have resulted in stale sizes when the keyboard appeared, or orientation changed.

MapView

  • Fixed a crash when tapping the user's current location on iOS.
  • Fixed incorrect zoom factor changes when the location changed on iOS.

Router

  • Deprecated the GoUp behavior which causes unexpected behavior and defects. This fixes an issue of pressing the hardware back button at the root state (on Android). The old behavior can be had by setting GoBackBehavior="GoBackAndUp" on the router, but be aware it is deprecated and will be removed.
  • Added Router.BackAtRootPressed to allow intercepting a back button action on the root page.

Video

  • Fixed issue where Video on Android could end up not finding the rotation metadata on its video source
  • Fixed issue where Video on iOS could render incorrect on some rotations
  • Removed size flip in VideoVisual, looks like this used to work due to bug dependency. But the native video players flip the size themselves.
  • Add VideoOrientationPage to ManualTestApp, this page tests video with mp4 files with different rotations in their metadata section.
  • Use proper transforms for rotation in the video rendering code

WrapPanel / WrapLayout

  • Fixed WrapPanel to update its layout when a layout property changes.

Fuse.Views

  • Fixed a crash when pushing the back-button on Android.
  • Support for Fragment on Android

1.8

1.8.0

Android

  • Fixed a defect that performed layout with a 0 density on Android at startup

Path

  • Fixed bug where setting Data on a Path could end up not rendering inside a NativeViewHost on iOS

Vector Drawing

  • Fixed a defect in partial line drawing in Preview that resulted in a spurious line being drawn. This happened when the partial curve overlapped the end of the path data.
  • Fixed a defect that prevented a single-segment, horizontal or vertical, line from rendering in Path with StretchMode="Uniform" (the default StretchMode).
  • Fixed a defect that prevented a Path with a single horizontal or vertical line from rendering in Preview (DotNet).
  • Fixed the width of strokes in Preview (DotNet). They were too small on devices with a density other than 1.
  • Fixed a Preview/DotNet rendering defect that resulted from unclosed paths in Path.Data.

Grid

  • Fixed a Grid defect that resulted in some cells not calculating the correct layout size.
  • Grid now detects a common invalid configuration and emits an error. This may trigger on projects that currently work, but are relying on undefined/broken behavior.

Instance / Each

  • Added IsEnabled to allow conditional instantion of templates in Instance
  • Added Match to pick a specific template
  • Added Defaults to limit default instances, useful when using bindings to match criteria

EdgeNavigator

  • Improved the JavaScript model and object support on EdgeNavigator.
    • EdgeNavigator.Pages functions like PageControl.Pages, binding model data to templated pages.
    • Set IsRouterOutlet="true" to enable Router functionality.

Internal APIs

  • The following protected internal members have been made just internal, as they refer to internal types and weren't meant to be available to derived types:
    • Fuse.Controls.TextInputControl.Editor
    • Fuse.Controls.TextInputControl.TextInputControl(TextEdit)
    • Fuse.Physics.ForceFieldTrigger.SetForce(Body, float)
    • Fuse.Physics.ForceFieldEventTrigger.OnTriggered(Body)
    • Fuse.Controls.TextControl._textRenderer

SafeEdgePanel

  • Added SafeEdgePanel to assist in creating iPhone X capable layouts.

Grid

  • Fixed a defect in the default metric mode of Grid that could result in incorrect layout calculations, in particular if putting a Grid inside a StackPanel with auto columns.

Selection

  • Added isSelected function for determine selection status within an expression

Stroke

  • Fixed Android strokes to use the correct cap and join instead of always being Butt and Bevel.

Element

  • Added Size and Height to Element as an alternate way to control the layout. This is useful for some animation and binding situations.

Cycle

  • Added Restore option Forward to allow animating forward to return to rest state

Device and window()

  • Marked several types internal that should not have been public: SystemUI and related types
  • Changed ClientPanel to use Padding instead of panels.
  • Added window() function to get device UI borders: safeMargins, staticMargins and experimental deviceMargins. This will allow developing for devices with extended border areas such as the iPhone X
  • Added Device global to query platform details, such as Device.isIOS and Device.isAndroid
  • Removed the RelativeToKeyboardMode relative translation. This was undocumented and did not appear to work correctly, or do something useful. To move relative to device controls you can now use window().safeMargins and window().staticMargins

Keyframe

  • Fixed Keyframe to allow expressions on the property values.

SwipeGesture

  • A Simple or Auto SwipeGesture will no longer automatically activate at the halfway point, whereas a Active gesture will. To get the old default behavior, which is considered a defect, use Threshold="0.5".
  • Added a SwipeGesture.Threshold to configure the automatic activation distnace.

Image loading errors

  • Added more info to the messages reported on failure during image loading.

Fuse.Scripting

  • Marked NativeMember.Context as Obsolete. Either use passed-down Context, or dispatch to ThreadWorker instead.

FuseJS

  • Added support for passing arguments from UX to the model constructor using the ModelArgs attribute.

1.7

1.7.4

Restored missing bug-fixes

  • There were a few bug-fixes from 1.6 that somehow missed 1.7. Those have now been restored. In particular:
    • Added back removed API Context.Invoke(Action ...).
    • Fixed a NullReferenceException in NativeEvent.RaiseAsync(params object[]).

1.7.3

Router

  • Fixed a crash in Router.GoUp that could be seen when pressing the back button at the root page of navigation.

1.7.1

Fuse.Nodes

  • Fixed a bug where triggering onParameterChanged on an element would lead to a crash.

1.7.0

PageControl

  • Fixed a crash resulting from adding dynamic pages and binding by name

Partial Curves

  • Added support for drawing partial curves to Path and Curve. Refer to the PathStart, PathLength and PathEnd properties.
  • Added the path expressions pathPointAtDistance and pathTangentAngleAtDistance for locating an offset along a Path or Curve and the heading.

Router

  • Fixed goBack to properly modify the route with two duplicate routes in the history## JavaScript
  • Several functions in ScriptModule and related classes have been marked internal. These were never meant to be part of the public API.
  • Added JavaScript.Names with option Require to prevent injecting names into the JavaScript code namespace

TextColor Opacity

  • Fixed a failure to render translucent TextColor correctly
  • Fixed the rendering of opaque emoji when TextColor is translucent (they will not also be translucent, though still use the font coloring)

Node Data Context

  • Removed some deprecated methods and classes from Node: IDataListener, OnDataChanged. These were not meant to be public.
  • Deprecated {} in favour of the new data() function. {} had unusual binding rules and would often not bind to the intended context. data() always binds to the prime data context, it's unambiguous and predictable.
  • Fixed the object provided to JavaScript callbacks in args.data. It will now always be the prime data context, not just the next contextual data.
  • Deprecated and removed several functions which were not meant to be public. The deprecated ones will be removed shortly, as the current interface cannot be supported in the future. ISiblingDataProvider, ISubtreeDataProvider, IDataEnumerator, Node.GetFirstData, Node.EnumerateData, Node.BroadcastDataChange, Node.IDataListenere, Node.OnDataChanged, Node.AddDataListener, Node.RemoveDataListener, IObject, IArray

LinearGradient

  • Fixes invalid gradients in desktop preview (DotNet targets)

Navigator

  • Fixed the invalid reuse of an existing page if the context does not match

Expressions

  • Added support for boolean == and != expressions, which can be used for things like negating boolean expressions.
  • Added support for the logical not operator. This means you can do "!someBoolean" to logically negate it.
  • Fixed negation operator (-, eg. -someValue).
  • Added vector accessors x(v), y(v), z(v), w(v) to access the component values of float/2/3/4 values. (Note: x and y have an overloaded meaning now, also providing Element position).
  • Added atanVector to compute arc-tangent from a float2 input

FuseJS

  • Fixed bug where arrays inside arrays would produce unexpected behavior
  • Fixed bug where a cycle in the object graph would result in infinite recursion in some cases
  • Fixed bug where changing the value of a property from an object to a primitive value would cause odd behavior in some cases.

ScrollView

  • Fixed bug where ScrollView's inside a NativeViewHost would scroll to fast
  • Fixed bug where the scrolling indicator in a native ScrollView would not show on iOS
  • Added ContentSize property on the Fuse.Controls.Native.IScrollViewHost interface. Needed by iOS to layout the native scrollview correctly

Control

  • Setting the Background property to something else than SolidColor or StaticSolidColor has been deprecated, and gives a warning. Support for this will be removed in an upcoming release.

Video

  • Setting the StretchMode property to Scale9 on VideoVisual has been depecated, and gives a warning. Support for this will be removed in an upcoming release.
  • Removed protected constructor for LayoutFunction, this was not meant to be public. Sealed the derived classes, they were not meant to be extendable.

1.6

1.6.1

Fuse.Scripting

  • Restore accidentally broken NativeEvent.RaiseAsync() API.
  • Rolled back NativeProperty constructor API to the pre-1.6 state. Code updated to 1.6 needs to be rolled back as well.
  • Previous changes resulted in a breaking change we would rather avoid so we reintroduce Invoke(Action ..) so we can take it through the usual deprecation cycle.

1.6.0

Image

  • Fixed issue where <Image /> inside a <NativeViewHost /> on android could display incorrectly

ScrollView

  • Fixed bug where ScrollView's inside a NativeViewHost would scroll to fast
  • Fixed bug where the scrolling indicator in a native ScrollView would not show on iOS
  • Added ContentSize property on the Fuse.Controls.Native.IScrollViewHost interface. Needed by iOS to layout the native scrollview correctly

Let

  • Introduced an experimental Let feature that allows creating expression aliases and local variables in UX
  • Added specific type version of Let, such as LetFloat and LetString. This improve the ability to connect pieces of the UX together and do animation/transitions in UX without using JavaScript.

Instantiator

  • Improved the internals of Instantiator (the base for Each and Instance). This also fixed a few corner cases with templates not updating, but should otherwise not affect user code.
  • Fixed the creation of templates in Each / Instance when the data context is null/non-extant. It will now not instantiate the templates are all. This prevents some kinds of binding defects and improves efficiency with default templates.

Element

  • Fixed an incorrect cascade of MinWidth / MinHeight. This could only be noticed in certain scenarios using BoxSizing="FillAspect".
  • Fixed the width, height, x, and y functions to support an element losing its layout. They become undefined in this case, thus allowing a syntax like width(element) ?? 50

StackPanel

  • Fixed the invalid propagation of MaxWidth/MaxHeight in a StackPanel to its children

Data Context

  • Resolved a situation with nested context binding {}, such as With and Instance, where the data would not correctly update

Selection

  • Fixed the ordering of events so that SelectionChanged is emitted after the bound value is updated

Expressions

  • Deprecated UnaryOperator.OnNewOperand and OnLostOperand. These are part of a broken pattern of using unary expressions (and were not present on Binary/Ternary/QuaternaryOperator). You generally shouldn't need this, and should implement Compute instead. In the rare cases you need the virtuals you'll need to extend Expression and implement Subscribe, using ExpressionListener as a way to capture the correct functionality.
  • Moved VarArgFunction.Argument to Expression.Argument. It's in a base class so still has visibility in VarArgFunction.
  • VarArgFunction.Subscription.OnNewData and OnLostData have been sealed. They should not have been open for overriding before as it conflicts with the inner workings on the class. Only the OnNewPartialArguments and OnNewArguments should be overridden.
  • Improved error handling on several operators and math functions. Instead of exceptions these should produce the standard conversion/computation warnings for invalid types.
  • Added size() function to force conversion to a Size or Size2 type. Useful when dealing with unknown types and some operators that would otherwise result in the undesired conversion.

Navigation

  • Fixed an issue with Navigator.Pages not registering pages correctly in certain initialization orders
  • Added $navigationRequest to Navigation.Pages objects. This can be used to fine-tune the navigation.

Instance

  • Added Instance.Item to work similar to an Each with a single data item

Expression Functions

  • Added nonNull for special evaluation handling for temporary null values. This may be useful in migrating code that is now producing many incompatible argument warnings.
  • Changed operators / functions to report warnings if they are provided with invalid arguments. This should help locate errors in code that were previously silent and just didn't evaluate, or evaluated wrong. Consider using the ?? operator, and the isNull, isDefined and nonNull functions to deal with non-data scenarios.
  • Removed protected from BinaryOperator.OnNewOperands. This was intended to be internal as there is no correct way to overload it. If you happened to use it we can provide a different base-class to use for you.

Fuse.Preview Selection

  • Removed the following APIs, that were never meant to be exposed to user-code:
    • Fuse.Visual.DrawLocalSelection(DrawContext, Rect)
    • Fuse.Visual.DrawSelection(DrawContext)
    • Fuse.AppBase.InvalidateSelection()
    • Fuse.App.DrawSelection(DrawContext)
    • Fuse.Preview.SelectionManager
    • Fuse.Preview.ISelection

Conversions

  • Added float() expression to force conversion to float values
  • Added string() expression to force conversion to string values

Timer

  • Fixed issue where creating a repeating Timer with 0 delay in JavaScript would not prevent the worker thread to become idle.

RangeControl

  • RangeControl.Value and RangeControl2D.Value are not longer clamped to the Range of the control. This fixes issues where the Value was incorrectly modified when the range and value were both data bound. The user behaviors LinearRangeBehavior and CircularRangeBehavior will both however clamp to the range -- the user cannot select outside the range.

Observables and bindings

  • Fixed an issue where missing data was propagated as null. This will affect Observable's that contain zero data, and may have resulted in some bindings showing old/incorrect data.

Multi-density image sources

  • Fixed an issue where the desired size of a multi-density source ended up as the pixel size of the selected image source. The effect was that images rendered on a high-density screen, would appear larger than on a low density screen.

Timeline

  • Fixed an issue where PlayMode="Wrap" would not loop if the duration was less than 1 second

Expressions

  • Added isDefined to check if a value is known in the context
  • Added isNull to check if a value is null or doesn't exist

Router

  • Added object support to Router script functions, such as goto, push, bookmark, etc. This mirrors the upcoming Model ability to use objects as path elements.
  • Added object support to Modify/Push/GotoRoute actions.
  • Added NavigationControl.modifyPath to the JavaScript interface. This allows extended local path manipulation without using a router.

TextView

  • Fixed iOS issue where the return key would display "next" instead of "return".

Navigation

  • Navigator blocks input to pages while transitioning to new pages. To get the old behaviour, where input is not blocked, set <Navigator BlockInput="Never">.

Fuse.Reactive

  • Added OnLostData to the IListener interface. This is needed to properly deal with changes in context in Preview, Model, and some JavaScript situations.
  • Added OnLostData to the InnerListener class. Implementations should deal with this scenario.
  • Changed null coalesce ?? to use the default when the left operand doesn't exist, not just when it's null

Fuse.Marshal

  • ToDouble replaced with TryToDouble for naming consistency (old names remain as deprecated)

Fuse.Panel

  • Fixed a bug where IsFrozen would ignore Panel.Opacity.

Fuse.Controls.DatePicker/Fuse.Controls.TimePicker

  • Fixed an Uno reflection bug that caused these pickers to crash in preview.

Scripting

  • Fuse.Scripting's Function type has a Call method, this now takes a Scripting.Context. This guarantees that it can only occur on the VM thread.
  • Fuse.Scripting's Object type has a CallMethod method, this now takes a Scripting.Context. This guarantees that it can only occur on the VM thread.
  • IMirror is no longer implemented by ThreadWorker. This functionality has been moved to the context
  • Moved ArrayMirror, ClassInstance, ModuleInstance, ObjectMirror, Observable, ObservableProperty, RootableScriptModule & ThreadWorker to the Fuse.Scripting.JavaScript namespace
  • Removed the CanEvaluate method and instead rely on the passing of the Scripting.Context to know if we are on the VM thread or not.
  • The 'wrapping' functionality has been moved from the ThreadWorker to a standalone static class called TypeWrapper. The IThreadWorker no longer provides Wrap & UnWrap
  • ThreadWorker.ScriptClass functionality moved to context. We will likely want to factor this out to a helper class however for now the major benefit is that ThreadWorker no longer owns these features.
  • Remove the public Context property from the ThreadWorker. Sadly the context is still available via the internal field so that the tests can work. This will need to be fixed.
  • Fuse.Reactive now depends on Fuse.Scripting so that it can talk about the Scripting.Context in it's provided interfaces.
  • DateTimeConverterHelpers moved to its own uno file.
  • IMirror's Reflect now takes a Scripting.Context
  • IThreadWorker no longer implement IDispatcher
  • Fuse.Scripting.JavaScript's ThreadWorker no longer blocks on construction
  • Implemented console.error, console.warn and console.info
  • Improved formatting for the above functions, as well as for console.log
  • The ScriptMethod<T> constructor now throws if it's passed ExecutionThread.MainThread with Func, instead of failing to run it later on.
  • The ScriptMethodInline constructor that takes an ExecutionThread as an argument is now obsolete. Use the one without instead. JavaScript needs to run on the JavaScript thread anyway.
  • The ScriptMethod<T> constructor that takes Func and ExecutionThread as arguments is now obsolete. Use the one without instead.
  • Calling script-methods that doesn't take any arguments should now consistently give an error. This was already the case for many functions. This is intended to ensure user-code is forward-compatible.
  • ScriptException.ErrorMessage has been marked as obsolete, use ScriptException.Message instead.
  • ScriptException.Message no longer includes all details about the script-exception, only the message itself. If you want the extra information, use ScriptException.ToString(), or check the specific fields.
  • Fuse.IScriptException has been marked as obsolete. This was previously unused.
  • ScriptException.JSStackTrace has been marked as obsolete, use ScriptException.ScriptStackTrace instead.
  • ScriptException.SourceLine has been marked as obsolete, and consistently returns null now. The latter was always the case except for when using V8 before. The same information can be deduced from the project files and FileName + LineNumber fields.
  • ModuleResult.Object has been marked as obsolete. Use ModuleResult.GetObject(Context) instead.
  • ModuleResult.Exports has been marked as obsolete. Use ModuleResult.GetExports(Context) instead.
  • Function.Call, Function.Construct, Object.InstanceOf and Object.CallMethod now takes a Context as their first argument. The old signatures has been marked as obsolete.

JavaScript: JavaScriptCore on Android

  • Added support for JavaScriptCore on Android. Build with -DUSE_JAVASCRIPTCORE to enable it on Android. JavaScriptCore is by default enabled on iOS.

1.4

1.4.1

Expressions

  • Fixed an issue where toUpper and toLower would crash on null intput. Now they propagate null instead.

DatePicker/TimePicker

  • Fixed an issue where some properties (for example TimePicker.Is24HourView) wouldn't work when set from UX.
  • Fixed a documentation issue with TimePicker where the code example used the wrong name for the Is24HourView property.

1.4.0

Notifications

  • Fix regression causing iOS apps not to be accepted to the Store apparently due to use of push-notifications even though they are not used in the project.

TextInput

  • Fixed issue on android where placeholder text on a <TextInput IsPassword="true" /> would be drawn as password dots

Scripting.Context

  • Invoke now takes an Action<Scripting.Context>. This is the first step in refactoring our scripting layer to make sure code does not evaluate JS on the wrong thread
  • The Observable property has been removed from Context & IThreadWorker

Fuse.Reactive.JavaScript

  • Fuse.Reactive.JavaScript has been renamed to Fuse.Scripting.JavaScript & the separate VM packages are now subdirectories of this package

DesktopApp Updates

  • Fixed an issue about certain event not triggering a proper update and redraw on desktop preview/build

RangeControl

  • LinearRangeBehavior now correctly responds to UserStep values, providing quantized input
  • Fixed RangeControl.RelativeValue to properly update when bound in UX
  • Allowed Minimum to be less than Maximum on RangeControl making it easier to do left-to-right 100..0 ranges.
  • Fixed a defect in position calculations in LinearRangeBehavior. It now uses the immediate Element parent for bounds calculation as opposed to the RangeControl.
  • Added UserStep support to Android and iOS native Slider

WebView

  • Exported the methods goBack, goForward, reload and stop for use in FuseJS
  • Fixed regression in 1.3 that broke WebView when using URISchemeHandler

ScrollViewPager

  • Fixed a NullReferenceError that could happen while using ScrollViewPager in preview

DatePicker

  • Introduced Fuse.Controls.DatePicker class, which wraps native date pickers on Android and iOS. See the DatePicker class documentation for more details.

TimePicker

  • Introduced Fuse.Controls.TimePicker class, which wraps native time pickers on Android and iOS. See the TimePicker class documentation for more details.

TextView

  • Fixed bug on Android where setting TextWrapping="NoWrap" would force the TextView to be single line. New behavior is to instead allow the view to scroll horizontally instead of automatically wrapping the text.

MultiDensityImageSource

  • Added native support, meaning it can be used by images inside a NativeViewHost.

Video

  • Fixed bug in Video where playback actions, like Play, used before the video was initialized would end up getting swallowed.
  • Added some JavaScript methods to Video to make it easier to control playback from JavaScript, as well as obtaining information the video duration.
  • Made Video.Duration and Video.Position property-bindable.

Fuse.Marshal:

  • Fixed a bug where UX expressions that produce two component floats did not expand to four compoent floats the same same way as literals did.

Fuse.Reactive framework changes (Uno-level)

  • These are breaking changes, but very unlikely to affect your app:
  • The DataBinding, EventBinding and ExpressionBinding class constructors no longer take a NameTable argument.
  • The Name and This expression classes has been removed. The UX compiler will now compile these as Constant expressions that contain the actual objects instead.
  • The IContext interface no longer contains the NameTable property.
  • The Fuse.IRaw interface removed (now internal to the Fuse.Reactive.JavaScript package). Had no practical public use.
  • The Fuse.Reactive.ListMirror class is no longer public. This was never intended to be public and has no practical public application.
  • Added detailed docs for many of the interfaces in the Fuse.Reactive namespace.
  • The Fuse.Reactive.IWriteable interface has changed (breaking!). The method signature is now bool TrySetExclusive(object) instead of void SetExclusive(object). Unlikely to affect your code.
  • IObservable and IObservableArray no longer push their initial value on Subscribe.

Image

  • Image will now respect Exif orientation.

1.3

1.3.2

Callback

  • Fixed a regression where args.sender was no longer the ux:Name of the parent of the trigger.

1.3.1

Navigation

  • Fixed an issue where PageControl.ActiveIndex would not update if navigation done with JavaScript seekToPath or Router interfaces.

1.3.0

Native UI:

  • Fixed bug on iOS that could cause native views from thirdparty libraries to get an incorrect position. (Fixes issues with Firebase AdMob)

JavaScript: Optional explicit require() of UX symbols

  • Symbols declared with ux:Name, ux:Dependency or dep are now also available to require() for <JavaScript> modules using the ux: prefix. This allows us to write code that plays nicer with transpilers and linters. Using require for names declared in UX is optional, but may make the code more readable and maintainable, e.g. var router = require("ux:router") over just using router with no declaration.

Fuse.Drawing.Surface

  • Fixed a problem where horizontal or vertical lines would not draw in the .NET backend.

Attract

  • Fixed an issue with attract not updating when using a data binding as the source value

Fonts

  • Fixed bug where the default font on Android could end up being null.

ViewHandle

  • Fixed issue where Images with Mask could end up not displaying. This happend due to unnecessary invalidation of the implicit native GraphicsView in the app root. This invalidation was introduced when the Surface API was implemented for native. Invalidation is now opt-in on ViewHandle

Fuse.Drawing.Primitives

  • Fixed issue where Circles could draw incorrect due to floating point precision
  • Fixed issue where Rectangles could render incorreclty due to FP16 precision limitation.

Navigation

  • Added Navigator.Pages to bind the local history to an observable/model
  • Added PageControl.Pages to bind the list of available pages to an observable/model
  • Fixed the semantics of PageControl.ActiveIndex to work with dynamic pages. The output, getter, will only be updated when the navigation is intentionally changed to a new page. Previously it would always reflect the current page, which causes problem with dynamic pages. The variation between th desired target and actual target only lasts while the desired target is not yet rooted.
  • Changed how Router maintains history. This resolves several minor issues, including local histories (though this isn't fully exposed yet). It's intended to be backwards compatible for all known use-cases.
  • Changed IRouterOutlet and related types to be internal. This was not meant to be public as it's a private detail of the navigation system and could not be implemented correctly by users.
  • Removed the Navigator IsReusable property. These were deprecated over a year ago. Use Resuse="Any" instead.
  • Removed PageControl.TransitionEasing and Pagecontrol.TransitionDuration. These were deprecated over a year ago. Use a NavigationMotion object instead with GotoEasing and GotoDuration properties.
  • Removed PageIndicator.DotTemplate and PageIndicator.DotFactor. These were deprecated over a year ago. Use a ux:Tempate="Dot" child instead.
  • Removed Navigation.PageData. It was always meant to be internal and has no public use.
  • Allowed GoBack and WhileCanGoBack on the router to properly interact with bound observable/model PageHistory

ScriptClass

  • Added ScriptPromise. This adds support for passing Promises between Uno and the scripting engine. Very useful when dealing with async stuff and JavaScript
  • Added ScriptReadonlyProperty. This feature lets you expose readonly data in JavaScript. Useful for exposing constants for example

WebView

Fixed issue where custom URI schemes were matched too greedily in URLs, making for erroneously intercepted URL requests.

Delay Push Notification Registration on iOS

On iOS you can now put the following in your unoproj file:

    "iOS": {
        "PushNotifications": {
            "RegisterOnLaunch": false
        }
    },

which will stop push notifications registering (and potentially asking for permissions) on launch. Your must then call register() from JS when you wish to begin using push notifications. On android this option & register are silently ignored.

Image

  • Fixed issue where an <Image /> could fail to display inside a <NativeViewHost /> on iOS
  • Fixed an issue where a JPEG image from a misconfigured server using image/jpg would fail to load.

Each

  • Fixed a bug where replacing the whole list of items with an empty list would not immediately remove the items from the UI.

Router

  • Added several features to allow navigation/routing from within UX, whereas previously JavaScript code was required.
  • Added ModifyRoute, GotoRoute and PushRoute actions to replace RouterModify. These all have a Path property.
  • Added gotoRoute, pushRoute, and modifyRoute expression events which allow for simple navigation in event handlers.

ScrollViewPager

  • Added ScrollViewPage which simplifies the creation of infinite scrolling lists

Ellipse

  • Added missing hit testing from Ellipse. If you relied on there not being any hit testing on an ellipse add HitTestMode="None"

Video

  • Xamarin Mac was upgraded to support 64-bit executables on macOS.

Triggers

  • Fixed an issue where certain triggers would not skip their animation/actions as part of the Bypass phase. This will not likely affect many projects, but may resolve some spurious issues where animations did not bypass under certain conditions.
  • Fixed an issue where WhileVisibleInScrollView did not respect the Bypass phase for element layout.
    • If you required this behaviour add Bypass="None" to the trigger -- in exceptional cases you can add Bypass="ExceptLayout" to get the precise previous behaviour, but it should not be required, and is only temporarily available for backwards compatibility.
  • Several triggers were modified to properly look up the tree for a target node, whereas previously they may have only checked the immediate parent. The affected triggers are BringIntoView, Show,Hide,Collapse, Toggle, TransitionState, Callback, CancelInteractions, Stop, Play, Resume, Pause, TransitionLayout, BringToFront, SendToBack, EvaluateJS, RaiseUserEvent, ScrollTo. This should only change previous behavior if the action was previously configured incorrectly and did nothing or already found the wrong node. Many of the actions have a Target to target a specific node, or TargetNode to specify where the search begins.
  • Changed/fixed Trigger to provide the trigger itself as the target node to a TriggerAction, previously it'd provide the parent of the trigger. The old behaviour was due to an old tree structure. This should have been updated a long time ago. This allows actions to reference the trigger in which they are contained. If you've created a custom Uno TriggerAction and need the old behaviour modify your Perform(Node target) to use target.Parent. Triggers should in general scan upwards from the target node.

ScrollView

  • Added minimal support to WhileVisibleInScrollView for changes in Element layout updating the status

Fuse.Drawing.Surface

  • Added support for the Surface API in native UI for iOS. Meaning that Curve, VectorLayer and charting will work inside a NativeViewHost.

TextInput

  • Fixed issue on Android causing text to align incorrectly if being scrolled and unfocused.

WrapPanel

  • Added possibility to use RowAlignment to align the elements in the major direction of the WrapPanel as well as in the minor.

Optimizations

  • Optimized UpdateManager dispatcher to deal better with high numbers of dispatches per frame (as when populating long lists).
  • Optimized how ZOrder was computed which improves layout and tree initialization speed. Inlcudes a minor change on the ITreeRenderer interface, unlikely to affect your code.
  • Optimized how bounding boxes are calculated (improves layout and rendering performance).
  • Optimized how render bounds are compounded for larger lists.
  • Several low-level optimizations that speeds up scenarios with long lists (e.g. scrollviews). Here are the Uno-level details:
  • Optimized the implementation of the Visual.Children collection to be an implicitly linked list. This avoids all memory allocation and shifting in connection with inserting and removing nodes from a parent, and ensures a O(1) cost for all child list manipulations.
  • Introduced new public API: Node.NextSibling<T>() and Node.PreviousSibling<T>(), which can be together with Visual.FirstChild<T>() and Visual.LastChild<T>(). The recommended way of iterating over the children of a Visual is now for (var c = parent.FirstChild<Visual>(); c != null; c = c.NextSibling<Visual>()) where Visual can be replaced with the desired node type to visit.

Marshalling

  • Fuse.Scripting now knows about the JS Date type, allowing instances to be passed to/from Uno in the form of Uno.DateTime objects. This support extends to databinding, NativeModules, ScriptClasss, and the Context.Wrap/Unwrap API.
  • Binding an object that does not implement IArray to a property that expects IArray will now automatically convert the value to an array of length 1.

UpdateManager changes (Uno-level)

  • Breaking change: Several entrypoints on UpdateManager now take a LayoutPriority enum instead of int as the priority argument. Very unlikely to affect user code code.
  • Fixed an issue where writes to FuseJS/Observables would not dispatch in the right order on the UI thread if interleaved with ScriptClass callbacks (slightly breaking behavior).

1.2

1.2.1

Fuse.Elements

  • Fixed an issue where the ElementBatcher ended up throwing an Exception complaining about the element not having a caching rect.

1.2.0

Fuse.Text

  • Fixed an issue where the combination of -DUSE_HARFBUZZ, -DCOCOAPODS and certain Pods (in particular Firebase.Database has been identified) caused an app to link to symbols that the AppStore disallows.

Each

  • Fixed an issue where removing an element would not actually remove the element

Image

  • Fixed issue where an <Image /> could fail to display inside a <NativeViewHost /> on iOS

Router

  • Added findRouter function making it easier to use a router in a page deep inside the UI
  • Fixed and issue where relative paths and nested Router gave an error about unknown paths

UX Expressions (Uno-level)

  • Introduced support for variable arguments to UX functions - inherit from the Fuse.Reactive.VarArgFunction class.
  • The classes Vector2, Vector3 and Vector4 in Fuse.Reactive are now removed and replaced with the general purpose, variable-argument version Vector instead. This ensures vectors of any length are treated the same way. This is backwards incompatible in the unlikely case of having used these classes explicitly from Uno code.
  • Added support for name-value pair syntax: name: value. Can be used for JSON-like object notation and named arguments in custom functions. Any vector of name-value pairs is interpreted as an IObject, e.g. {name: 'Joe', apples: 10} is an object.

Templates

  • Added Identity and IdentityKey to Each. This allows created visuals to be reused when replaced with replaceAt or replaceAll in an Observable.
  • Triggers may now use templates which will be instantiated and added to the parent when active (like a node child).
  • Added templates to NodeGroup, which can now be used in Each.TemplateSource and Instance.TemplateSource
  • Each, using TemplateSource, will no longer respond to template changes after rooting. This was done to simplify the code, and to support alternate sources, and is a minor perf improvement. It's not likely to affect any code since it didn't work correctly, and there's no way in UX to modify templates after rooting.
  • A memory leak was fixed by changing Instantiator.TemplateSource to a WeakReference. Only if you assigned this property a temporary value in Uno would this change impact your code.
  • Clarified/fixed some issues with how Each/Instances handled default templates. Previously if no matching template was found all the specified templates, or a subset, might have erronously been used. Now, as was always intended, if you use MatchKey and wish to have a default template you must specifiy ux:DefaultTemplate="true" on the default template. You cannot have multiple fallback templates, just as you can have only one template of a particular name.
  • If a ux:DefaultTemplate="true" is specified it will be the template that is used; the complete list of templates will not be used.

Fuse.Share

  • Fixed issue where using Fuse.Share would crash on iPad. Users must provide a position for spawn origin for the share popover. Check the Fuse.Share docs for more details.
  • Made iOS implementation internal, this was never ment to be public in the first place

Optimizations

  • Optimized hit testing calculations. Improves scrolling in large scroll views with deep trees inside, among other things.
  • Optimized redundant OpenGL rendertarget operations. Gives speedups on some platforms.
  • Optimized invalidation strategy for transforms, to avoid subtree traversion. This improves performance generally when animating large subtrees (e.g. scrollviews).
  • Backwards incompatible optimization change: The protected virtual void Visual.OnInvalidateWorldTransform() method was removed. The contract of this method was very expensive to implement as it had to be called on all nodes, just in case it was overridden somewhere. If you have custom Uno code relying on this method (unlikely), then please rewrite to explicitly subscribe to the Visual.WorldTransformInvalidated event instead, like so: Override OnRooted and do WorldTransformInvalidated += OnInvalidateWorldTransform;, Override OnUnrooted and to WorldTransformInvalidated -= OnInvalidateWorldTransform;, then rewrite protected override void OnInvalidateWorldTransform() to void OnInvalidateWorldTransform(object sender, EventArgs args)
  • To improve rendering speed, Fuse no longer checks for OpenGL errors in release builds in some performance-critical code paths
  • Improved perceived ScrollView performance by preventing caching while pointers are pressed on them, avoiding inconsistent framerates.
  • Fixed a bug which prevented elements like Image to use fast-track rendering in trivial cases with opacity (avoids render to texture).
  • Optimized how bounding boxes are calculated (improves layout and rendering performance).

Multitouch

  • Fixed issue where during multitouch all input would stop if one finger was lifted.
  • Added the option to opt-out of automatic handling of touch events when implementing a native view.

Attract

  • Added the attract feature, which was previously only in premiumlibs. This provides a much simpler syntax for animation than the Attractor behavior.

Gesture

  • The experimental IGesture interface has changed.
    • The Significance, Priority and PriotityAdjustment have been merged into the single GetPriority function.
    • OnCapture is changed to OnCaptureChanged and provides the previous capture state
  • Clicked, DoubleClicked, Tapped, DoubleTapped, and LongPressed have been corrected to only detect the primary "first" pointer press. If you'd like to accept any pointer index add PointerIndex="Any" to the gesture.
  • SwipeGesture, ScrollView, LinearRangeBehaviour (Slider), CircularRangeBehaviour, Clicked, Tapped, DoubleClicked, DoubleTapped, LongPressed, WhilePressed all use the gesture system now. They have a GesturePriority property which can be used to adjust relative priorities -- though mostly the defaults should be fine.
  • The SwipeGesture.GesturePriority default is changed from High to Low. This better fits with how the priorities should work together in a typical app and in general shouldn't affect any usual layouts. You can alter the priority with GesturePriority="High"

Each Reuse

  • Added Reuse to Each allowing the reuse of nodes
  • Added OnChildMoved to Visual. Anything implementing OnChildAdded or OnChildRemoved will likely need to implement OnChildMoved as well. This happens when a child's position in Children list changes.
  • Added OnChildMovedWhileRooted to IParentObserver

UX Expression improvements

  • Added parameter(page) function which returns the routing parameter of the page parsed as an JSON string.
  • UX expressions now support arbitrary array lookups, e.g. {someArray[index+3]}. The same syntax can also be used with string keys, e.g {someObject[someKey]}. The lookup is fully reactive - both the collection and the key/index can change.

JavaScript Dependency Injection

  • Added support for injecting UX expressions into <JavaScript> tags using the dep XML namespace. See docs on JavaScript.Dependencies for details.

### WhileVisibleInScrollView

  • Added How property to WhileVisibleInScrollView trigger that accepts values Partial (default) and Full. When set to Full, the trigger is only active when the whole element bounds are inside view.

WebSocket

  • Fixed connection problems on ios devices.

1.1

1.1.1

Navigation

  • Fixed an issue where Activated and WhileActivated within an EdgeNavigator did not correctly identify an active state
  • Changed EdgeNavigation to return a page in Active when no side-panels are active

Fuse.Share

  • Fixed a crash in the iOS implementation for Fuse.Share that could happen on iPad.

FuseJS

  • Fixed a bug where disposing a JavaScript tag that has called the findData-method could lead to a crash.

1.1.0

WhileActive

  • Fixed a crash in the rooting of certain tree structures using any of the Navigation triggers such as WhileActive

Fuse.ImageTools

  • Fixed bug preventing handling of KEEP_ASPECT resize mode on Android when using ImageTools.resize

Fuse.Camera

  • iOS: Fixed crash when using Fuse.Camera alongside <iOS.StatusBarConfig IsVisible="false" />

Fuse.Launchers

  • Fixed bug on iOS where URIs were incorrectly encoded, leading to some input with reserved URI-characters misbehaving.

ImageTools

  • Fixed bug in Android implementation that could result in errors due to prematurely recycled bitmaps

FuseJS/Bundle

  • Added .list() to fetch a list of all bundled files
  • Added .readBuffer() to read a bundle as an ArrayBuffer
  • Added .extract() to write a bundled file into a destination path

Image

  • A failed to load Image with a Url will now try again when the Url is used again in a new Image
  • Added reload and retry JavaScript functions on Image to allow reloading failed images.
  • Fixed infinite recursion bug that could happen if a MemoryPolicy is set on a MultiDensityImageSource

ScrollingAnimation

  • Fixed issue where the animation could become out of sync if the properties on ScrollingAnimation were updated.

macOS SIGILL problems

  • Updated the bundled Freetype library on macOS to now (again) include both 32-bit and 64-bit symbols, which fixes an issue where .NET and preview builds would crash with a SIGILL at startup when running on older Mac models.
  • Updated the bundled libjpeg, libpng, Freetype, and SDL2 libaries for macOS to not use AVX instructions, since they are incompatible with the CPUs in some older Mac models. This fixes an issue with SIGILLs in native builds.

Native

  • Added feature toggle for implicit GraphicsView. If you are making an app using only Native UI disabling the implicit GraphicsView can increase performance. Disable the GraphicsView by defining DISABLE_IMPLICIT_GRAPHICSVIEW when building. For example uno build -t=ios -DDISABLE_IMPLICIT_GRAPHICSVIEW

Gestures

  • Fuse.Input.Gesture now only has an internal constructor. This means that external code can't instantiate it. But before, they already couldn't do so in a meaningful way, so this shouldn't really affect any applications.

Native TextInput

  • Fixed issue where focusing a <TextInput /> or <TextView /> by tapping it would not update the caret position accordingly.

Route Navigation Triggers

  • Activated, Deactivated, WhileActive, WhileInactve have all been fixed when used inside nested navigation. Previously they would only consider the local navigation, not the entire tree. If the old behavior is still desired you can set the Path="Local" option on the navigation.
  • Activated, Deactivated have been fixed to only trigger when the navigation is again stable. If you'd instead like to trigger the moment the active page changes, which is closest to the previous undefined behavior, set When="Immediate"
  • The NavigationPageProxy use pattern has changed. Rooted is removed, Unrooted is now Dispose, and the constructor takes the parent argument. This encourages a safer use (avoiding leaks).

MapView

  • Support MapMarker icon anchor X/Y/File properties when setting MapMarkers via JS
  • Added <MapMarker Tapped="{myHandler}"/> to retain the data context for each tapped marker.
  • Added <MapView AllowScroll="false"/> to disable the user panning and scrolling around.
  • Fixed a bug causing crashes on iPhone 5s devices when using ShowMyLocation="true"

WebView

  • Added <WebView ScrollEnabled="false"/> to disable the user panning and scrolling around.

Fuse.Box / Fuse.Ray

  • Uno.Geometry.Box and Uno.Geometry.Ray has been replaced with Fuse.Box and Fuse.Ray.

MemoryPolicy

  • Added QuickUnload memory policy to keep data in memory for as short as possible.

ImageTools

  • Added supported for encoding/decoding images to/from base64 on DotNet platforms, including Windows and Mac OS X.

Bugfixes

  • Fixes a bug where the app would crash if a databinding resolved to an incompatible type (e.g. binding a number property to a boolean value). (Marshal.TryConvertTo would throw exception instead of fail gracefully).

Fuse.Controls.Video

  • Fixed a bug where HLS streams would become zero-sized on iOS.

Expression functions

  • added index and offsetIndex as funtions to get the position of an element inside an Each
  • added functions mod, even, odd, and alternate to complement the index functions. These allow visually grouping elements on the screen based on their index.
  • added trigonometric math functions sin, cos, tan, asin, acos, atan, atan2, radiansToDegrees, degreesToRadians
  • added math functions abs, sqrt, ceil, floor, exp, exp2, fract,log, log2, sign, pow, round, trunc, clamp
  • added lerp function for linear interpolation between values

1.0

FuseJS

  • Fixed a bug where disposing a JavaScript tag that has called the findData-method could lead to a crash.

1.0.4

GraphicsView

  • Fixed issue where apps would not redraw when returning to Foreground

ScrollView

  • Fixed possible nullref in Scroller that could happen in certain cases while scrolling a ScrollView
  • Fixed nullref in Scroll that could happen if there are any pending LostCapture callbacks after the Scroller is Unrooted

Fuse.Elements

  • Fixed an issue where the rendering of one element could bleed into the rendering of another element under some very specific circumstances.

1.0.3

ColumnLayout

  • Fixed an issue that would result in a broken layout if a Sizing="Fill" was used there wasn't enough space for one column.

Bug in Container

  • Fixed bug in Container which caused crash when the container had no subtree nodes. This caused the Fuse.MaterialDesign community package to stop working.

Fuse.Controls.Video

  • Fixed a bug where we would trigger errors on Android if a live-stream was seeked or paused.

Experimental.TextureLoader

  • Fixed an issue when loading images bigger than the maximum texture-size. Instead of failing, the image gets down-scaled so it fits.

1.0.2

This release only upgraded Uno.

1.0.1

Fuse.Elements

  • Fixed a bug where elements with many children and some of them were rotated, the rotated elements would appear in the wrong location.

1.0.0

iOS

  • Fix bug which could cause visual glitches the first time rotating from Portrait to Landscape

Fuse.Reactive

  • The interfaces IObservable, ISubscriber and IObserver are no longer public (affects any class that implements them). These were made accidentally public in Fuse 0.36. These need to be internal in order to allow behind-the scenes optimizations going forward.

Bugfixes

  • Fixes a bug (regression in 0.36) where functions could not be used as data context in event callbacks.
  • Fixed a bug where strings like "20%" did not marshal correctly to Size when databound.
  • Fixed a defect in expression functions x,y,width,height, they will not use the correct size if referring to an element that already has a layout

Instance/Each/Deferred

  • Changes to the items will not be collected and new items added once per frame. This avoids certain processing bottlenecks. This should not cause any backwards incompatibilties, though the option Defer="Immediate" is available to get the previous behavior.
  • Defer="Deferred" on Instance/Each allows the deferred creation of nodes without the need for a Deferred node
  • Deferred now has an implied priority based on the node depth. Items with equal Priority will now be ordered based on tree depth: deeper nodes come first.

Page busy

  • A Page will now be busy for the first frame (or two) after it is prepared. This will block the Navigator from starting the transition during those frames, which should improve first frame jerkyness. The PrepareBusy property can be set to None to disable this behaviour.

Text edit controls

  • Fixed the behaviour of placeholder text in the text renderer used when targeting desktop. The placeholder text is now always visible when there is no text in the text control, even when it has focus.

GeoLocation

  • The GeoLocation module no longer throws an exception if there are no listeners to the "error" event when there is an error.
  • Fixed an omission that meant that the old way of listening to GeoLocation events (using GeoLocation.onChanged = ... instead of the recommended EventEmitter GeoLocation.on("changed", ...)) did not work.

Stroke

  • The Stroke will no longer emit property changed events for its Brush unless it is pinned. This is not anticipated to be an issue for any projects.

Fuse.Version

  • A new static Uno class has been introduced, called Fuse.Version. It contains fields for the major, minor and patch-version, as well as a string with the full version number.

Native

  • Add implementation for android.view.TextureView to better support multiple <GraphicsView />'s and <NativeViewHost />'s on Android.

Container

  • In order to fix a memory leak in Container the pre-rooting structure was changed. Children of the container will not be children of the Subtree until rooted. It is not believed this will have any noticable effect; other features, like Trigger, also work this way.

Gestures

  • Extended the ability of gestures at multiple levels in the UI tree to cooperate, or take priority
  • SwipeGesture now has priority over ScrollView, even if in an ancestor node
  • Edge swipes have priority over directional swipes, regardless of the node they are in
  • Removed SwipeType.Continuous as it did not work correctly and wouldn't fulfill the known use-case even if it did. Consider using Auto instead.
  • Deprecated public access to the Scroller class. This is an internal class and should not be used. All functionality is accessible via ScrollView
  • Added SwipeGesture.GesturePriority and ScrollView.GesturePriority to adjust priorities
  • Fixed an issue where a higher level capture where preempt one lower in the UI tree

Visual

  • The then argument to BeginRemoveChild is now an Action<Node> to provide the node to the callback. Add an Node child argument to the callback function.

ImageTools

  • Changed the algorithm for creating new file names for temporary images. Previously this used a date format that caused problems when several images were created in sub-second intervals, breaking custom map marker icons, for instance.
  • Fixed a memory leak that occured when resizing multiple images one after another.

Vector drawing

A new vector drawing system has been added to Fuse. This allows drawing of curves, shapes, and simple vector images.

  • Added Curve which allows drawing of lines and polygons. CurvePoint can be used to bind to JavaScript observables and servers as the basis for drawing line graphs
  • Reintroduced Path, Ellipse, Star and RegularPolygon. These are all backed by the new vector system.
  • Added several options to Ellipse to allow drawing wedges, like with Circle
  • Added Arc for drawing the outside edge of an Ellipse
  • Added elliptic arc support to Path to support more SVG path data
  • Removed FitMode.StrokeMaximum and FitMode.ShrinkToStroke as they could not be reliably supported or behave in a reasonable fashion. To fit accounting for stroke use a wrapping panel with padding instead.
  • Removed Path.ScaleMode as stroke scaling is not supported as it was before
  • Remove the Fuse.Drawing.Polygons and Fuse.Drawing.Paths packages. Their functionality has been replaced by the new vector system
  • Fuse.Controls.FillRule has moved to Fuse.Drawing.FillRule

Default Fonts

  • Added the following default-fonts, that can be used like so <Text Font="Bold" FontSize="30">This is some bold text</Text>:
    • Thin
    • Light
    • Regular
    • Medium
    • Bold
    • ThinItalic
    • LightItalic
    • Italic
    • MediumItalic
    • BoldItalic

Fuse.Audio

  • Due to a bug in Mono we have temporarily removed support for PlaySound in preview on OSX.

MapView

  • Fixed a bug causing crashes on iPhone 5s devices when using ShowMyLocation="true"

ImageFill

  • Fixed a bug where the MemoryPolicy given would not be correctly used.

Old

See the commit history for this file for older entries.