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Name	Modified	Size	InfoDownloads / Week
Parent folder
12.1.0 source code.tar.gz	2026-07-09	51.0 MB	0
12.1.0 source code.zip	2026-07-09	53.8 MB	2
README.md	2026-07-09	10.6 kB	0
Totals: 3 Items		104.9 MB	2

General

Read our release blog post 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 – Create Avalonia.WinUI for initial WinUI embed support by @drasticactions in https://github.com/AvaloniaUI/Avalonia/pull/21430
Windows – Implement Win32Properties.WindowCornerPreference by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21615
Windows – Support rendering at max refresh rate of current displays by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/21643
Windows – Let GraphicsAdapterSelectionCallback see unfiltered adapters and warn on Adreno WARP fallback by @nickna in https://github.com/AvaloniaUI/Avalonia/pull/21695
X11 – Implement automatic fps detection by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/18558
X11 – Implement XDND: drag-and-drop support for Linux by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/20926
X11/Wayland – Update to latest Tmds.DBus.Protocol by @tmds in https://github.com/AvaloniaUI/Avalonia/pull/21472
X11/Wayland – Better platform window handle abstraction for DBusSystemDialog by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21379
X11/Wayland – Introduce cross-thread support for AutomaticRawEventGrouperDispatchQueue by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21386
X11/Wayland – Workarounds for NVIDIA EGL drivers by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21590
Wayland – Wayland-specific handling for platform surface readiness by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21382
Wayland – Roslyn generator for generating cross-thread call proxies by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21384
Wayland – Wayland protocol support by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21448
Wayland – Added GLib event loop support to wayland backend by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21669
Android/iOS – Add platform feedback api for sound and haptic feedback by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/21189
Android – Use BCL storage for TryGet api by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/21641

Fixes

Core – Remove dead code in AvaloniaObject by @grokys in https://github.com/AvaloniaUI/Avalonia/pull/21452
Core – Fix text selection brush not applying when text selection changes by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/21480
Core – Fix RequestedThemeVariant default value by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21624
Core – Rework text fallback itemization by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/21631
Core – InterWordJustification fixes by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/21701
Core – Fix BclLauncher.Exec throwing instead of returning false by @Misaka-L in https://github.com/AvaloniaUI/Avalonia/pull/21704
Controls – Return false by default from FocusManager.CanHaveFocusableChildren by @freddiesmartbox in https://github.com/AvaloniaUI/Avalonia/pull/21640
Controls – Fix SelectableTextBlock selection offset with InlineUIContainer by @JoshuaRowePhantom in https://github.com/AvaloniaUI/Avalonia/pull/21646
Controls – Fix PART_OnContentPresenter name typo in ToggleSwitch by @zrt2399 in https://github.com/AvaloniaUI/Avalonia/pull/21728
XAML – Compiled Bindings: Fix unpredictable binding to method selection by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/21617
XAML: Don't include non-text files in Roslyn's AdditionalFiles by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/21729
Windows – Fix TopMost handling for Popups by @StefanKoell in https://github.com/AvaloniaUI/Avalonia/pull/17841
Windows – Support decimal in automation ComVariant (fixes NumericUpDown crash under UIA) by @valentino-saitz-optris in https://github.com/AvaloniaUI/Avalonia/pull/21634
Windows – Respect IME preedit cursor position by @gotoh in https://github.com/AvaloniaUI/Avalonia/pull/21632
Windows – Align ExpandCollapseState member order with UIA by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21693
Windows – Fix working area changed won't update screen by @Misaka-L in https://github.com/AvaloniaUI/Avalonia/pull/21707
Windows – Fix empty automation bounds for custom root providers by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/21730
X11 – Fix mishandled cancellation in DBusTextInputMethodBase by @deryaza in https://github.com/AvaloniaUI/Avalonia/pull/21527
X11 – Re-read _NET_WORKAREA on WM PropertyNotify by @lambgoesbaa in https://github.com/AvaloniaUI/Avalonia/pull/21651
X11 – Fix XEmbed client by @kekekeks in https://github.com/AvaloniaUI/Avalonia/pull/21677
Android – TalkBack should still respond to all hover events by @IsaMorphic in https://github.com/AvaloniaUI/Avalonia/pull/21644
Android – TalkBack should highlight controls instead of their ancestors by @IsaMorphic in https://github.com/AvaloniaUI/Avalonia/pull/21654
Android – Fix crash populating accessibility node for some peers by @mikegoatly in https://github.com/AvaloniaUI/Avalonia/pull/21726
Android – Fix AvaloniaView double root creation by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21738
Browser – Fix typo: verityPermissions -> verifyPermissions by @Frederisk in https://github.com/AvaloniaUI/Avalonia/pull/21281
Headless – Fix hang if exception is thrown during headless session app construction by @ThadHouse in https://github.com/AvaloniaUI/Avalonia/pull/21688