# Avalonia changelog

> Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI

- Vendor: AvaloniaUI
- Category: Languages & Runtimes
- Official site: https://avaloniaui.net/
- Tracked by: What's New (https://whatsnew.fyi/product/avalonia)
- Harvested from: GitHub (AvaloniaUI/Avalonia)
- Entries below: 10 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

## Releases

### 11.3.20

- Date: 2026-08-10
- Version: 11.3.20
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/11.3.20
- Permalink: https://whatsnew.fyi/product/avalonia/releases/11.3.20

- **fixed** — macOS NSTextInputClient range handling and null dereference issues

##### What's Changed

###### Fixes
* macOS – Fix `NSTextInputClient` range handling and null dereference issues by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/21885

**Full Changelog**: https://github.com/AvaloniaUI/Avalonia/compare/11.3.19...11.3.20

### 11.3.19

- Date: 2026-08-06
- Version: 11.3.19
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/11.3.19
- Permalink: https://whatsnew.fyi/product/avalonia/releases/11.3.19

- **changed** — Propagate Popup.IsHitTestVisible to IPopupImpl to skip hit-testing popups on the OS level if available
- **fixed** — Don't include non-text files in Roslyn's AdditionalFiles
- **fixed** — Fix active window tracking on X11

##### What's Changed

###### Enhancements
* Core – Propagate `Popup.IsHitTestVisible` to `IPopupImpl` to skip hit-testing popups on the OS level if available by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21916

###### Fixes
* XAML – Don't include non-text files in Roslyn's `AdditionalFiles` by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/21729
* X11 – Fix active window tracking by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21846

**Full Changelog**: https://github.com/AvaloniaUI/Avalonia/compare/11.3.18...11.3.19

### 12.1.1

- Date: 2026-07-29
- Version: 12.1.1
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/12.1.1
- Permalink: https://whatsnew.fyi/product/avalonia/releases/12.1.1

- **added** — Add ToolTip.ShouldUseOverlayLayer attached property
- **added** — Allow single parameter with any type when binding to a method
- **added** — Add UseWaylandWithFallback option
- **added** — Expose AutomationId as resource-id for Android automation
- **fixed** — Fix Dispatcher.ReplaceImplementation
- **fixed** — Reapply cached binding source values during UpdateTarget
- **fixed** — Fix custom-hit-test optimization
- **fixed** — Detach platform input when presentation source closes
- **fixed** — Fix line break enumerator infinite loop
- **fixed** — Fix EGL surface recreation after native handle changes
- **fixed** — Fix stale _usedCache value that wasn't reset properly in compositor
- **fixed** — Properly wire CompositionInterop.IsLost
- **fixed** — Preserve lines at rounded fractional heights
- **fixed** — Correct nested TreeViewItem selection behaviour on pointer release
- **fixed** — Fix issues on SelectingItemsControls when items or control changes visibility
- **fixed** — Stop HotKeyManager from triggering on hidden controls
- **fixed** — Fix SplitView stealing BackRequested when its pane is closed
- **fixed** — Fix CommandBar secondary visibility during overflow open
- **fixed** — Fix AutoCompleteBox popup not closing on focus lost
- **fixed** — Position popup using the screen containing the anchor point

##### What's Changed

###### Enhancements
* Controls – Add `ToolTip.ShouldUseOverlayLayer` attached property by @rabbitism in https://github.com/AvaloniaUI/Avalonia/pull/21830
* XAML – Allow single parameter with any type when binding to a method by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21867
* Wayland – Add `UseWaylandWithFallback` by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21734
* Android – Expose `AutomationId` as resource-id for Android automation by @stevemonaco in https://github.com/AvaloniaUI/Avalonia/pull/21780

###### Fixes
* Core – Fix `Dispatcher.ReplaceImplementation` by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21735
* Core – Reapply cached binding source values during `UpdateTarget` by @NathanDrake2406 in https://github.com/AvaloniaUI/Avalonia/pull/21756
* Core – Fix custom-hit-test optimization by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21769
* Core – Detach platform input when presentation source closes by @NathanDrake2406 in https://github.com/AvaloniaUI/Avalonia/pull/21782
* Core – Fix line break enumerator infinite loop by @rabbitism in https://github.com/AvaloniaUI/Avalonia/pull/21808
* Core – Fix EGL surface recreation after native handle changes by @AB901 in https://github.com/AvaloniaUI/Avalonia/pull/21816
* Core – Fix stale `_usedCache` value that wasn't reset properly in compositor by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21823
* Core – Properly wire `CompositionInterop.IsLost` by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21824
* Core – Preserve lines at rounded fractional heights by @NathanDrake2406 in https://github.com/AvaloniaUI/Avalonia/pull/21834
* Controls – Correct nested `TreeViewItem` selection behaviour on pointer release by @TomEdwardsEnscape in https://github.com/AvaloniaUI/Avalonia/pull/21705
* Controls – Fix some issues on `SelectingItemsControls` when items or control changes visibility by @timunie in https://github.com/AvaloniaUI/Avalonia/pull/20798
* Controls – Stop `HotKeyManager` from triggering on hidden controls (#21708) by @1419323749 in https://github.com/AvaloniaUI/Avalonia/pull/21714
* Controls – Fix `SplitView` stealing BackRequested when its pane is closed (#21740) by @gentledepp in https://github.com/AvaloniaUI/Avalonia/pull/21741
* Controls – Fix `CommandBar` secondary visibility during overflow open by @NathanDrake2406 in https://github.com/AvaloniaUI/Avalonia/pull/21742
* Controls – Fix `AutoCompleteBox` popup not closing on focus lost by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21749
* Controls – Position popup using the screen containing the anchor point by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21750
* Controls – Keep page in `NavigationPage`'s logical tree until animation is complete by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21751
* Controls – Fix `SimpleTheme` focus adorner contrast in dark mode by @iamvalenciia in https://github.com/AvaloniaUI/Avalonia/pull/21753
* Controls – Fix `ComboBox` dropdown not scrolling to selected item when opened by @zrt2399 in https://github.com/AvaloniaUI/Avalonia/pull/21764
* Controls – Allow `Grid` shared size groups to shrink by @NathanDrake2406 in https://github.com/AvaloniaUI/Avalonia/pull/21837
* Controls – Fix `ListBox` crash when scrolling after item removal by @NathanDrake2406 in https://github.com/AvaloniaUI/Avalonia/pull/21838
* Controls – Clear `TextBox` undo history on external text updates by @NathanDrake2406 in https://github.com/AvaloniaUI/Avalonia/pull/21839
* Controls – Register `Grid` assigned definition collections with their shared size group by @NathanDrake2406 in https://github.com/AvaloniaUI/Avalonia/pull/21848
* Controls – Initialize `TextBox` command states in constructor by @zrt2399 in https://github.com/AvaloniaUI/Avalonia/pull/21859
* Controls – Fix infinite loop in tab stop search with `TabNavigation=Once` by @maggch97 in https://git

_[Truncated at 4000 characters — full notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/12.1.1]_

### 12.1.0

- Date: 2026-07-09
- Version: 12.1.0
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/12.1.0
- Permalink: https://whatsnew.fyi/product/avalonia/releases/12.1.0

- **added** — Allow setting ThemeVariant to Default to reset theme to system on Android
- **added** — Allow Dispatcher to be converted to a TaskScheduler
- **added** — Add Scrollbar context menu
- **added** — Add custom CalendarDatePicker date parsing to allow for multiple user input formats
- **added** — Implement TableView control
- **added** — Implement IStorageProvider.OpenFileWithResultAsync
- **added** — Implement Bitmap.Save with a format
- **added** — Implement Win32Properties.WindowCornerPreference
- **added** — Implement automatic fps detection on X11
- **added** — Implement XDND drag-and-drop support for Linux
- **added** — Implement Wayland protocol support
- **added** — Add platform feedback API for sound and haptic feedback on Android and iOS
- **added** — Create Avalonia.WinUI for initial WinUI embed support
- **changed** — Remove obsolete int32 limit on DispatcherTimer.Interval
- **changed** — Bump MicroCOM and use source generators
- **changed** — Allow attaching a platform-specific event cookie to platform events
- **changed** — Align Touch and Pen capture semantics with Mouse
- **changed** — Disable region dirty rect clipping by default
- **changed** — Enable stencil buffers by default with configurable option
- **changed** — Support rendering at max refresh rate of current displays on Windows
- **fixed** — Improve composition hit testing performance with per-visual AABBs

#### General

Read our [release blog post](https://avaloniaui.net/blog/release-12-1) for more information about new features in Avalonia 12.1.0!

#### What's Changed

##### Enhancements

- Core – Allow setting `ThemeVariant` to `Default` to reset theme to system on android by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/16340
- Core – Allow `Dispatcher` to be converted to a `TaskScheduler` by @TomEdwardsEnscape in https://github.com/AvaloniaUI/Avalonia/pull/21032
- Core – Remove obsolete int32 limit on `DispatcherTimer.Interval` by @TomEdwardsEnscape in https://github.com/AvaloniaUI/Avalonia/pull/21113
- Core – Bump MicroCOM and use source generators by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/21218
- Core – Improve composition hit testing performance with per-visual AABBs by @hez2010 in https://github.com/AvaloniaUI/Avalonia/pull/21310
- Core – Tests/render data drawing context coverage by @ZehMatt in https://github.com/AvaloniaUI/Avalonia/pull/21341
- Core – Align Touch/Pen capture semantics with Mouse (#21325) by @miloush in https://github.com/AvaloniaUI/Avalonia/pull/21363
- Core – Refactor per-draw render data allocations with a binary opcode stream by @ZehMatt in https://github.com/AvaloniaUI/Avalonia/pull/21366
- Core – Allow attaching a platform-specific event cookie to platform events by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21378
- Core – Pass original logical size to render targets by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21380
- Core – Pass shadow extents to the platform by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21385
- Core – A bit better handling of gpu context loss by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21387
- Core – Platform event to toggle drawn decorations state by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21388
- Core – Use `eglGetProcAddress` instead of `NativeLibrary.TryGetExport` by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21392
- Core – Support desktop OpenGL profiles via EGL by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21393
- Core – Implement `IStorageProvider.OpenFileWithResultAsync` by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21418
- Core – Implement `Bitmap.Save` with a format by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21455
- Core – Disable region dirty rect clipping by default by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21553
- Core – Enable stencil buffers by default + add configurable option by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21586
- Core – avoid `SKBitmap.Copy` when creating `ImmutableBitmap` from pixels by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21675
- Core – Generate a CycloneDX SBOM per published NuGet package by @grokys in https://github.com/AvaloniaUI/Avalonia/pull/21681
- Core – Composition-aware geometries and drawing change detection by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21682
- Controls – Improve pull-to-refresh usability in `RefreshContainer` by @gentledepp in https://github.com/AvaloniaUI/Avalonia/pull/18617
- Controls – Add `Scrollbar` Context Menu by @drasticactions in https://github.com/AvaloniaUI/Avalonia/pull/19413
- Controls – Add custom `CalendarDatePicker` date parsing to allow for multiple user input formats by @Deadpikle in https://github.com/AvaloniaUI/Avalonia/pull/21193
- Controls – Implement `TableView` by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21511
- Controls – Show checkerboard background for transparent ColorView palette items by @Jaex in https://github.com/AvaloniaUI/Avalonia/pull/21613
- Controls – Allow copying and cutting revealed TextBox passwords by @zrt2399 in https://github.com/AvaloniaUI/Avalonia/pull/21710
- Windows – Optimize rendering performance by reducing premultiplied AlphaMode by @lindexi in https://github.com/AvaloniaUI/Avalonia/pull/20757
- Windows –

_[Truncated at 4000 characters — full notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/12.1.0]_

### 12.0.5

- Date: 2026-06-23
- Version: 12.0.5
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/12.0.5
- Permalink: https://whatsnew.fyi/product/avalonia/releases/12.0.5

- **added** — Implement Unicode word segmentation and update to Unicode v17
- **changed** — Unicode and text layout optimizations
- **added** — Expose Calendar day button selection state to automation
- **added** — Expose menu item toggle state to automation
- **added** — Support Value pattern on editable ComboBox automation peer
- **changed** — Enhance Roslyn-compiler visible metadata
- **changed** — Fall back to pixel location when GetPointerDeviceRects is unavailable
- **added** — Add AX BringIntoView/AXScrollArea role on macOS
- **changed** — Synchronize Metal drawable presentation on macOS
- **added** — Expose ScrollViewer scroll bars to accessibility on macOS
- **added** — Report read-only value state to accessibility on macOS
- **added** — Expose tree item selection to accessibility on macOS
- **added** — Expose placeholder text as the AT-SPI placeholder-text attribute on X11
- **added** — Add support for hover events on Android
- **added** — Add sleep timer option to Headless
- **fixed** — Fix culture aware font matching
- **fixed** — Fix TextCollapsingProperties bidirectional-text (BiDi) correctness
- **fixed** — Fix NotificationCard pseudo class state when NotificationType changes
- **fixed** — Apply placeholder opacity to combobox placeholder textblock
- **fixed** — Fix radio button disabled fill and stroke brushes

##### What's Changed

###### Enhancements
* Core – Implement Unicode word segmentation and update to Unicode v17 by @JimBobSquarePants in https://github.com/AvaloniaUI/Avalonia/pull/21361
* Core – Unicode and text layout optimizations by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/21400
* Core – Expose `Calendar` day button selection state to automation by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21540
* Core – Expose menu item toggle state to automation by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21541
* Core – Support Value pattern on editable `ComboBox` automation peer by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21545
* XAML – Enhance Roslyn-compiler visible metadata by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/21546
* Windows – Fall back to pixel location when `GetPointerDeviceRects` is unavailable by @Symbai in https://github.com/AvaloniaUI/Avalonia/pull/21337
* macOS – Add AX `BringIntoView`/`AXScrollArea` role by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21457
* macOS – Synchronize Metal drawable presentation by @drasticactions in https://github.com/AvaloniaUI/Avalonia/pull/21588
* macOS – Expose `ScrollViewer` scroll bars to accessibility by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21596
* macOS – Report read-only value state to accessibility by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21597
* macOS – Expose tree item selection to accessibility by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21598
* X11 – Expose placeholder text as the AT-SPI placeholder-text attribute by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21554
* Android – Add support for hover events on android by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/21551
* Headless – Add sleep timer option by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/21423

###### Fixes
* Core – Fix culture aware font matching by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/21435
* Core – Fix `TextCollapsingProperties` bidirectional-text (BiDi) correctness by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/21446
* Core – Fix `NotificationCard` pseudo class state when `NotificationType` changes by @zrt2399 in https://github.com/AvaloniaUI/Avalonia/pull/21490
* Core – Apply placeholder opacity to combobox placeholder textblock by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/21493
* Core – Fix radio button disabled fill and stroke brushes by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/21495
* Core – Listen to layout changes for ancestor visuals in text selection canvas by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/21536
* Core – Fix caption button background in dark mode by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21555
* Core – Fix system font caching when retrieved with a different name by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21557
* Core – Fix `StackOverflow` when a `NaN` offset is set on `ScrollViewer` by @NicholasLachapelle in https://github.com/AvaloniaUI/Avalonia/pull/21558
* Core – Avoid read-only editing side effects in `TextBox` keyboard handlers by @zrt2399 in https://github.com/AvaloniaUI/Avalonia/pull/21587
* Core – Fix `TimePicker` selection style by @shine1258 in https://github.com/AvaloniaUI/Avalonia/pull/21626
* Core – Suppress culture flowing with `ExecutionContext` captured by `DispatcherOperation` by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21627
* XAML – Fix some AOT warnings by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/21616
* XAML – Fix typo in key assignment for reference assembly by @collindang88 in https://github.com/AvaloniaUI/Avalonia/pull/21474
* Windows – Fix window animations in extended mode by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21498
* Windows – Fix `WinUiCompositorConnection` deadlock by @MrJul in https://github.com/

_[Truncated at 4000 characters — full notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/12.0.5]_

### 11.3.18

- Date: 2026-06-23
- Version: 11.3.18
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/11.3.18
- Permalink: https://whatsnew.fyi/product/avalonia/releases/11.3.18

- **changed** — Enhance Roslyn-compiler visible metadata for XAML
- **fixed** — Fix StackOverflow when a NaN offset is set on ScrollViewer
- **fixed** — Handle replacementRange in AvnView on macOS

##### What's Changed

###### Enhancements
* XAML – Enhance Roslyn-compiler visible metadata by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/21546

###### Fixes
* Core – Fix StackOverflow when a `NaN` offset is set on `ScrollViewer` by @NicholasLachapelle in https://github.com/AvaloniaUI/Avalonia/pull/21558
* macOS – Handle `replacementRange` in `AvnView` by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21608


**Full Changelog**: https://github.com/AvaloniaUI/Avalonia/compare/11.3.17...11.3.18

### 12.0.4

- Date: 2026-05-28
- Version: 12.0.4
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/12.0.4
- Permalink: https://whatsnew.fyi/product/avalonia/releases/12.0.4

- **changed** — Bump ANGLE version and sign native binaries
- **changed** — Update XML documentation to reflect correct type references in Avalonia.Controls project
- **added** — Add missing AutomationPeers from built-in Controls
- **changed** — Align Touch/Pen capture semantics with Mouse
- **changed** — Fire property-changed events when AutomationId changes at runtime
- **changed** — Update SkiaSharp to 3.119.4
- **added** — Add accessibility events for expand and collapse events on macOS
- **changed** — Implement TextRunCache for performance improvement
- **changed** — Improve type caching in the XAML compiler
- **fixed** — Fix CommandBar overflow labels when label position is collapsed
- **fixed** — Fix RenderTargetBitmap losing effects
- **fixed** — Fix SelectionChanged not raised on collection reset
- **fixed** — Ensure system back event is passed to child page once
- **fixed** — Make sure TryGetGlyphTypeface does not fail for concurrent access
- **fixed** — Avoid exceptions when getting a position from a PointerEventArgs
- **fixed** — Make text in NumericUpDown update immediately when changing the TextConverter
- **fixed** — Fix double reorder of cached bidi runs
- **fixed** — Set WindowDrawnDecorations background to transparent
- **fixed** — Fix radio MenuItem grouping in MenuFlyout
- **fixed** — Fix popup positioning anchor rect bug with drawn window decorations

##### What's Changed

##### Enhancements
* Core – Bump ANGLE version + sign native binaries by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/21219
* Core – Update XML documentation to reflect correct type references in `Avalonia.Controls` project by @rabbitism in https://github.com/AvaloniaUI/Avalonia/pull/21283
* Core – Add missing AutomationPeers from built-in Controls by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21322
* Core – Align Touch/Pen capture semantics with Mouse by @miloush in https://github.com/AvaloniaUI/Avalonia/pull/21325
* Core – Fire property-changed events when AutomationId changes at runtime by @dimension-zero in https://github.com/AvaloniaUI/Avalonia/pull/21374
* Core – Update SkiaSharp to 3.119.4 by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21434
* macOS – Add accessibility events for expand & collapse events by @codecat in https://github.com/AvaloniaUI/Avalonia/pull/21043

###### Performance
* Core – Implement `TextRunCache` by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/21030
* XAML – Improve type caching in the XAML compiler by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21408

###### Fixes
* Core – Fix `CommandBar` overflow labels when label position is collapsed by @jsuarezruiz in https://github.com/AvaloniaUI/Avalonia/pull/21226
* Core – Fix `RenderTargetBitmap` losing effects by @timunie in https://github.com/AvaloniaUI/Avalonia/pull/20790
* Core – Fix `SelectionChanged` not raised on collection reset by @NathanDrake2406 in https://github.com/AvaloniaUI/Avalonia/pull/20942
* Core – Ensure system back event is passed to child page once by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/21246
* Core – Make sure TryGetGlyphTypeface does not fail for concurrent access by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/21269
* Core – Avoid exceptions when getting a position from a `PointerEventArgs` by @TomEdwardsEnscape in https://github.com/AvaloniaUI/Avalonia/pull/21301
* Core – Make text in `NumericUpDown` update immediately when changing the `TextConverter` by @cdytoby in https://github.com/AvaloniaUI/Avalonia/pull/21320
* Core – Fixes double reorder of cached bidi runs by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/21351
* Core – Set `WindowDrawnDecorations` background to transparent by @ent3m in https://github.com/AvaloniaUI/Avalonia/pull/21354
* Core – Fix radio `MenuItem` grouping in `MenuFlyout` by @zrt2399 in https://github.com/AvaloniaUI/Avalonia/pull/21356
* Core – Fix popup positioning anchor rect bug with drawn window decorations by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21383
* Core – Make cursor respect the captured element by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21421
* Core — Add a resource for title bar background by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21440
* XAML – Fix compiled binding DataContext inference in ItemTemplate by @JoaoMSSCruz in https://github.com/AvaloniaUI/Avalonia/pull/21248
* Windows – Run file picker on dedicated STA thread to avoid MTA deadlock by @ZehMatt in https://github.com/AvaloniaUI/Avalonia/pull/21266
* Windows – Fix borders and shadows on Windows 10 in extended mode by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21412
* Windows – Include border size in `GetMinMax` request by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/21420
* Windows – Fix UIA tree not visible for Avalonia content embedded via `WinFormsAvaloniaControlHost` by @AndreyPolovodov in https://github.com/AvaloniaUI/Avalonia/pull/21422
* macOS – Fix `DeviceLuid` byte ordering on GPU interop by @dirivero in https://github.com/AvaloniaUI/Avalonia/pull/21293
* X11 – Observe potential DBus exception in `UnregisterWindowAsync` by @holdxen in https://github.com/AvaloniaUI/Avalonia/pull/21344
* X11 – Update Avalonia.DBus submodule by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21419
* Andro

_[Truncated at 4000 characters — full notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/12.0.4]_

### 11.3.17

- Date: 2026-05-27
- Version: 11.3.17
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/11.3.17
- Permalink: https://whatsnew.fyi/product/avalonia/releases/11.3.17

- **changed** — Improve type caching in the XAML compiler

##### What's Changed

###### Performance

* XAML – Improve type caching in the XAML compiler by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21408

**Full Changelog**: https://github.com/AvaloniaUI/Avalonia/compare/11.3.16...11.3.17

### 11.3.16

- Date: 2026-05-19
- Version: 11.3.16
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/11.3.16
- Permalink: https://whatsnew.fyi/product/avalonia/releases/11.3.16

- **changed** — Align Touch/Pen capture semantics with Mouse

##### What's Changed
* Core – Align Touch/Pen capture semantics with Mouse by @miloush in https://github.com/AvaloniaUI/Avalonia/pull/21363

**Full Changelog**: https://github.com/AvaloniaUI/Avalonia/compare/11.3.15...11.3.16

### 12.0.3

- Date: 2026-05-11
- Version: 12.0.3
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/12.0.3
- Permalink: https://whatsnew.fyi/product/avalonia/releases/12.0.3

- **security** — Bump SharpCompress from 0.41.0 to 0.48.0 in VNC

##### What's Changed

###### Security
* VNC – Bump SharpCompress from 0.41.0 to 0.48.0 by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21339

**Full Changelog**: https://github.com/AvaloniaUI/Avalonia/compare/12.0.2...12.0.3