11.3.0 Released · AvaloniaUI Avalonia · Discussion #18770 · GitHub

MrJul
May 1, 2025
Maintainer

Full Changelog: 11.2.8...11.3.0

What's changed since 11.2.8

Features

Add Popup.ShouldUseOverlayLayer property by @maxkatz6 in Add Popup.ShouldUseOverlayLayer property #5629
Add ItemsControl.PreparingContainer event by @TomEdwardsEnscape in Add ItemsControl.PreparingContainer event #14153
feat: Support ContactRect in X11 and Windows platform by @lindexi in feat: Support ContactRect in X11 and Windows platform #16498
[GeneratedComInterface] based Windows automation by @maxkatz6 in [GeneratedComInterface] based Windows automation #16543
feat(DevTools): Allow configure DevTools HotKey by @workgroupengineering in feat(DevTools): Allow configure DevTools HotKey #16668
feat(Window): Allow to persist content of Clipboard after App close by @workgroupengineering in feat(Window): Allow to persist content of Clipboard after App close #16778
Added Binding.Delay feature by @TomEdwardsEnscape in Added Binding.Delay feature #16805
Feature - Container Queries by @emmauss in Feature - Container Queries #16846
Update Unicode data and algorithms to v. 16.0 by @Gillibald in Update Unicode data and algorithms to v. 16.0 #16919
feat: Allow use of (Classes.classname) syntax on Style and ControlThe. by @workgroupengineering in feat: Allow use of (Classes.classname) syntax on Style and ControlThe… #16938
Try to infer DataContext type from the $parent and #named compiled binding path parts by @maxkatz6 in Try to infer DataContext type from the $parent and #named compiled binding path parts #17204
Introduce font family mapping by @Gillibald in Introduce font family mapping #17234
Add new constructor to AvaloniaDictionary and include unit tests Enrich the AvaloniaDictionary constructor #17311 by @IoannTerrible in Add new constructor to AvaloniaDictionary and include unit tests #17311 #17312
Properly handle nc hittest for caption buttons by @maxkatz6 in Properly handle nc hittest for caption buttons #17380
add automation peer for UserControl by @baochenw in add automation peer for UserControl #17480
Search all SelectingItemsControl items with TextSearch on key input, not just realized ones by @jonko0493 in Search all SelectingItemsControl items with TextSearch on key input, not just realized ones #17506
[TextBox] Add readonly property: LineCount. by @rabbitism in [TextBox] Add readonly property: LineCount. #17656
Implement Matrix.CreateRotation with center point. by @rabbitism in Implement Matrix.CreateRotation with center point. #17657
BoolConverters.Not should support ConvertBack by @maxkatz6 in BoolConverters.Not should support ConvertBack #17658
Implement support for Android TalkBack by @IsaMorphic in Implement support for Android TalkBack #17704
Access single file or folder from IStorageFolder by name by @nickodei in Access single file or folder from IStorageFolder by name #17771
Added WrapPanel item alignment by @TomEdwardsEnscape in Added WrapPanel item alignment #17792
feat: add hidesuggestions property to textbox by @jcsawyer in feat: add hidesuggestions property to textbox #17815
Add missing Blend Modes and expose BlendMode on Image Control by @leocb in Add missing Blend Modes and expose BlendMode on Image Control #17903
[Refactor] Get trailing whitespace length from the glyph run metrics by @dme-compunet in [Refactor] Get trailing whitespace length from the glyph run metrics #17960
[DockPanel] Add Spacing properties by @Poker-sang in [DockPanel] Add Spacing properties #17977
add spacing to uniform grid - issue 8406 by @Enzx in add spacing to uniform grid - issue 8406 #17993
[Grid] Add RowSpacing and ColumnSpacing by @zxbmmmmmmmmm in [Grid] Add RowSpacing and ColumnSpacing #18077
[WrapPanel] Add Spacing Properties by @Poker-sang in [WrapPanel] Add Spacing Properties #18079
feat: Support pressure and tilt on macos by @AkiSakurai in feat: Support pressure and tilt on macos #18082
FontFamily.FamilyTypefaces support by @Gillibald in FontFamily.FamilyTypefaces support #18113
Warning AVLN2208: Item container in the data template by @maxkatz6 in Warning AVLN2208: Item container in the data template #18132
Add Analyzer and CodeFixProvider for Initializing Bitmap with a "avares" scheme argument. by @rabbitism in Add Analyzer and CodeFixProvider for Initializing Bitmap with a "avares" scheme argument. #18150
Null conditional operator in bindings by @grokys in Null conditional operator in bindings #18270
Add diagnostic metrics/activities by @maxkatz6 in Add diagnostic metrics/activities #18314
Added IClipboard:TryGetInProcessDataObjectAsyns by @kekekeks in Added IClipboard:TryGetInProcessDataObjectAsyns #18340
Implement SetItems method in ResourceDictionary by @StefanKoell in Implement SetItems method in ResourceDictionary #18354
Add ContentTemplate property to flyout by @emmauss in Add ContentTemplate property to flyout #18361
Introduce GlyphTypeface.FaceNames by @Gillibald in Introduce GlyphTypeface.FaceNames #18392
Implement TextSearch.TextBinding by @MrJul in Implement TextSearch.TextBinding #18405
Allow [AssignBinding] on attached properties by @MrJul in Allow [AssignBinding] on attached properties #18425
Added LogToDelegate and LogToTextWriter APIs by @kekekeks in Added LogToDelegate and LogToTextWriter APIs #18472

Enhancements

Use the himetric location instead of the pixel location. by @walterlv in Use the himetric location instead of the pixel location. #16850
Fixes and improves several access key (accelerator) related issues by @StefanKoell in Fixes and improves several access key (accelerator) related issues #17292
Add _NET_WM_PID atom to Linux X11 window by @lindexi in Add _NET_WM_PID atom to Linux X11 window #17470
Throw ObjectDisposedException for ClipboardImpl/ClipboardDataObject by @MrJul in Throw ObjectDisposedException for ClipboardImpl/ClipboardDataObject #17472
Nullable annotations for LinuxFramebuffer by @MrJul in Nullable annotations for LinuxFramebuffer #17489
Align bitmap memory to 4 bytes by @Gillibald in Align bitmap memory to 4 bytes #17774
Nullable annotations for X11 by @MrJul in Nullable annotations for X11 #17814
Add FontSize property validation by @maxkatz6 in Add FontSize property validation #18198
Improve KeyGesture.ToString() output in case when Key is set to Key.None by @Samael7777 in Improve KeyGesture.ToString() output in case when Key is set to Key.None #18353
Bring control into view only if control isn't properly visible in viewport by @emmauss in Bring control into view only if control isn't properly visible in viewport #18359
Raise pointer events on captured element by @MrJul in Raise pointer events on captured element #18420
Prevented setting 0 to ColumnSpan or RowSpan. by @abenedik in Prevented setting 0 to ColumnSpan or RowSpan. #18516
Pick nearest parent if container query doesn't specify container name by @emmauss in Pick nearest parent if container query doesn't specify container name #18707
Add XML doc comments to RegisterDirect warning about unsetValue by @AnastassiaP in Add XML doc comments to RegisterDirect warning about unsetValue and d… #18719
Added small banner about Accelerate by @MikeCodesDotNET in Added small banner about accelerate. #18723

Performance

Avoid Select when no boxing required by @YohDeadfall in Avoid Select when no boxing required #16886
Fix PopupRoot.ConfigurePosition being called unnecessary by @MrJul in Fix PopupRoot.ConfigurePosition being called unnecessary #17322
Optimization for Process.GetCurrentProcess() in Avalonia.Win32.Automation by @NeverMorewd in Optimization for Process.GetCurrentProcess() in Avalonia.Win32.Automation #17422
Optimize SKRoundRectCache Clear Method for .NET 6+ by @lindexi in Optimize SKRoundRectCache Clear Method for .NET 6+ #17605
Expanding StringTokenizator with ReadOnlySpan. by @Meloman19 in Expanding StringTokenizator with ReadOnlySpan. #17645
Use Flat Array Text Blob Cache instead of more expensive ConcurrentDictionary in Avalonia.Skia.GlyphRunImpl by @Washi1337 in Use Flat Array Text Blob Cache instead of more expensive ConcurrentDictionary in Avalonia.Skia.GlyphRunImpl #17727
[Text] Make BreakUnit a readonly struct by @Gillibald in [Text] Make BreakUnit a readonly struct #17729
Add SpanStringTokenizer and avoid many string allocations in FontCollectionBase by @Washi1337 in Add SpanStringTokenizer and avoid many string allocations in FontCollectionBase #17745
Optimization: Add an optimized path for notifying property changes for inherited va. by @danwalmsley in Optimization: Add an optimized path for notifying property changes for inherited va… #18223
Layout performance improvements by @MrJul in Layout performance improvements #18315
Remove List<IObserver<T>>.ToArray() allocations in LightweightObservableBase by @xoofx in Remove List<IObserver<T>>.ToArray() allocations in LightweightObservableBase #18316

Fixes

Considering scaling when centering windows by @HermanKirshin in Considering scaling when centering windows #16158
Enhance OpenGlControlBase.cs by @heku in Enhance OpenGlControlBase.cs #17011
Fix INotifyCollectionChanged Move and Replace handling by @mpylon in Fix INotifyCollectionChanged Move and Replace handling #17171
Fix the known valuator do not update. by @lindexi in Fix the known valuator do not update. #17321
Fix .NET 9 WASM incompatibility by updating SkiaSharp.WASM package by @maxkatz6 in Fix .NET 9 WASM incompatibility by updating SkiaSharp.WASM package #17362
Fix xml-test error message being not culture-invariant by @nickodei in Fix xml-test error message being not culture-invariant #17374
Fix adapter selection in Vulkan demo by @SCLDGit in Fix adapter selection in Vulkan demo #17442
Ensure VirtualizingStackPanel correct element size estimate and fix Incorrect vertical scrollbar size in VirtualizingStackPanel #17460 by @BobLd in Ensure VirtualizingStackPanel correct element size estimate and fix #17460 #17461
AutoCompleteBox don't lose text selection when contextmenu opens by @punker76 in AutoCompleteBox don't lose text selection when contextmenu opens #17462
Fix TimePicker breaking change, when using pre-11.2 styles by @maxkatz6 in Fix TimePicker breaking change, when using pre-11.2 styles #17516
Rework XAML compilation targets by @MrJul in Rework XAML compilation targets #17539
Fix macOS ActivatableLifetime events by @MrJul in Fix macOS ActivatableLifetime events #17608
DropShadowDirectionEffect: add AffectsRender for ShadowDepthProperty and DirectionProperty by @laolarou726 in DropShadowDirectionEffect: add AffectsRender for ShadowDepthProperty and DirectionProperty #17664
Filepath with space not recognized correctly by xdg-open by @nickodei in Filepath with space not recognized correctly by xdg-open #17682
Add missing nullcheck in AvnView::mouseEvent by @jmacato in Add missing nullcheck in AvnView::mouseEvent #17709
bugfix: ScrollBar will be hidden when ScrollBarVisibility is specified as Visible by @metaone01 in bugfix: ScrollBar will be hidden when ScrollBarVisibility is specified as Visible #17718
[macOS]: Don't set IsModal when changing window parent. by @grokys in [macOS]: Don't set IsModal when changing window parent. #17742
Reset bidi levels of trailing whitespace after text wrapping (According to TR9 guidelines) by @dme-compunet in Reset bidi levels of trailing whitespace after text wrapping (According to TR9 guidelines) #17924
Fix - Complete window dialog task when dialog is hidden by @emmauss in Fix - Complete window dialog task when dialog is hidden #18047
Fix NSEvent.subType assertion by @MrJul in Fix NSEvent.subType assertion #18126
Correct which types receive CompilerGeneratedAttribute by @TomEdwardsEnscape in Correct which types receive CompilerGeneratedAttribute #18166
fix NumericUpDown Spinned event by @nightfog-git in fix NumericUpDown Spinned event #18180
Fix DockPanel index out of range by @Poker-sang in Fix DockPanel index out of range #18261
Added surface dispose to DrawingSurfaceDemoBase by @flabbet in Added surface dispose to DrawingSurfaceDemoBase #18412
Fix DBus type in exported menu by @affederaffe in Fix DBus type in exported menu #18450
[X11] attempt to use _NET_WM_STATE_FOCUSED or _NET_ACTIVE_WINDOW for tracking window activation, if available by @kekekeks in [X11] attempt to use _NET_WM_STATE_FOCUSED or _NET_ACTIVE_WINDOW for tracking window activation, if available #18464
Fix grid spacing measure issue by @Poker-sang in Fix grid spacing measure issue #18473
Fix grid desired size error by @zxbmmmmmmmmm in Fix grid desired size error #18507
Fixed invalid monitor detection when changing window position by @kekekeks in Fixed invalid monitor detection when changing window position #18562
Fix binding null conditional operator not working with AvaloniaProperty by @MrJul in Fix binding null conditional operator not working with AvaloniaProperty #18583
Fix DateTimePickerPanel scrolling exception by @MrJul in Fix DateTimePickerPanel scrolling exception #18584
[Grid] Fix ColumnSpacing property name by @kebox7 in [Grid] Fix ColumnSpacing property name #18603
Fix Window.Show when MinWidth > MaxWidth by @MrJul in Fix Window.Show when MinWidth > MaxWidth #18604
Disable Metal by default on macOS for 11.3 by @MrJul in Disable Metal by default on macOS for 11.3 #18605
[Grid] Fix size calculation for ranges by @kebox7 in [Grid] Fix size calculation for ranges #18621
Fix height queries not matching when container name is set, remove unused query grammer and allow nesting selector in container styles by @emmauss in Fix height queries not matching when container name is set, remove unused query grammer and allow nesting selector in container styles #18659
Fixes for DataValidationErrors not working correctly with Bindings by @drone1400 in Fixes for DataValidationErrors not working correctly with Bindings (issue #18693) #18694
Replace raw pointer with ComObjectWeakPtr by @kekekeks in Replace raw pointer with ComObjectWeakPtr<T> #18757
Fix null reference crash when window is closed during drag-and-drop by @AnastassiaP in Fix null reference crash when window is closed during drag-and-drop #18760
Invoke ScalingChanged when scaling changed on iOS by @maxkatz6 in Invoke ScalingChanged when scaling changed on iOS #18767
Fixes for DataValidationErrors not working correctly with Bindings by @drone1400 in Fixes for DataValidationErrors not working correctly with Bindings (issue #18693) #18694
Replace raw pointer with ComObjectWeakPtr by @kekekeks in Replace raw pointer with ComObjectWeakPtr<T> #18757
Fix null reference crash when window is closed during drag-and-drop by @AnastassiaP in Fix null reference crash when window is closed during drag-and-drop #18760
Invoke ScalingChanged when scaling changed on iOS by @maxkatz6 in Invoke ScalingChanged when scaling changed on iOS #18767

Miscellaneous

Integration tests: add retries to OpenWindowWithClick by @MrJul in Integration tests: add retries to OpenWindowWithClick #17259
Restore the progress bar page by @kekekeks in Restore the progress bar page #17285
Updated Avalonia.Desktop.slnf by @kekekeks in Updated Avalonia.Desktop.slnf #17391
Improve automation XML docs. by @grokys in Improve automation XML docs. #17405
Added generate-headers.sh for convenience purposes by @kekekeks in Added generate-headers.sh for convenience purposes #17413
Fix build Clean target by @MrJul in Fix build Clean target #17531
Update IInsetsManager.cs by @Keboo in Update IInsetsManager.cs #17468
Add missing ItemGroup to build tasks by @MrJul in Add missing ItemGroup to build tasks #17630
Fix double build of Avalonia.Build.Tasks by @MrJul in Fix double build of Avalonia.Build.Tasks #17813
Update AndroidFramebuffer.cs by @corvinsz in Update AndroidFramebuffer.cs #17488
Remove Tizen workload; use the Tizen SDK package directly instead by @MrJul in Remove Tizen workload; use the Tizen SDK package directly instead #17550
Warning fixes: '25 winter wave by @MrJul in Warning fixes: '25 winter wave #18103
Bump DBus stack by @affederaffe in Bump DBus stack #18343
Remove DataGrid from the main repository by @MrJul in Remove DataGrid from the main repository #18401
Move all submodules to external directory by @MrJul in Move all submodules to external directory #18431
Set build number to version on CI by @MrJul in Set build number to version on CI #18538

What's changed since 11.3.0-rc1

Fixes

Fixes for DataValidationErrors not working correctly with Bindings by @drone1400 in Fixes for DataValidationErrors not working correctly with Bindings (issue #18693) #18694
Replace raw pointer with ComObjectWeakPtr by @kekekeks in Replace raw pointer with ComObjectWeakPtr<T> #18757
Fix null reference crash when window is closed during drag-and-drop by @AnastassiaP in Fix null reference crash when window is closed during drag-and-drop #18760
Invoke ScalingChanged when scaling changed on iOS by @maxkatz6 in Invoke ScalingChanged when scaling changed on iOS #18767

This discussion was created from the release 11.3.0.

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