What's Changed

Enhancements

• Core – Add SaveFilePickerWithResultAsync API by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/19783
• Core – Primary mouse device by @miloush in https://github.com/AvaloniaUI/Avalonia/pull/19898
• Core – Add an optional ConvertBack method to FuncValueConverter by @zacfromaustinpowder in https://github.com/AvaloniaUI/Avalonia/pull/19920
• Core – Support reading from and copying images to clipboard by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/19930
• Core – Add SuggestedFileType for Save/OpenFilePicker by @jmacato in https://github.com/AvaloniaUI/Avalonia/pull/20026
• Headless – Add headless AvaloniaTestIsolationLevel by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/20000
• Build – Update Avalonia.BuildServices package version by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/20078

Fixes

• Core – Properly handle DrawableRun.Baseline by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/19896
• Core – Fix Selector.ValidateNestingSelector not calling overrides by @zacfromaustinpowder in https://github.com/AvaloniaUI/Avalonia/pull/19947
• Core – Handle long file paths in UriFromFilePath by @startewho in https://github.com/AvaloniaUI/Avalonia/pull/19955
• Core – Fix ServerCompositionSimplePen memory leak by @aguahombre in https://github.com/AvaloniaUI/Avalonia/pull/19958
• Core – Cache platform font manager TryMatchCharacter result by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/19987
• Core – Fix EmbeddedFontCollection.TryGetNearestMatch caching by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/20013
• Controls – Make ContentPresenter.RecognizesAccessKey stylable by @Gillibald in https://github.com/AvaloniaUI/Avalonia/pull/19893
• Previewer – Don't let the PreviewerWindow be any size by @mrlacey in https://github.com/AvaloniaUI/Avalonia/pull/19957
• Android – Fix changes to AccessibilityNodeInfoCompat.Checked data type from bool to int by @BobbyCannon in https://github.com/AvaloniaUI/Avalonia/pull/19985
• Android - Fix external app not reading text in clipboard by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/20023
• macOS – Fix fullscreen transitions with ExtendClientAreaToDecorationsHint windows by @drasticactions in https://github.com/AvaloniaUI/Avalonia/pull/19939
• macOS – Fix XButtons event handler by @DrunkyBard in https://github.com/AvaloniaUI/Avalonia/pull/19997
• macOS – Correct key mapping for scan code 0x18 by @snowflysky in https://github.com/AvaloniaUI/Avalonia/pull/20009
• macOS – Fix TryCreateGlyphTypeface return on macOS with SkiaSharp 2.88 by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/20084
• Windows – Handle mouse movement in non-client areas of window. (#19922) by @drasticactions in https://github.com/AvaloniaUI/Avalonia/pull/19922
• Windows – Fix ComVariant native size (add extended field and asserts) by @AndreyRusyaev in https://github.com/AvaloniaUI/Avalonia/pull/20017
• Windows – Do not activate embedded windows when shown by @emmauss in https://github.com/AvaloniaUI/Avalonia/pull/20027
• Windows – Properly snapshot GlSkiaImportedImage by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/20053

Full Changelog: https://github.com/AvaloniaUI/Avalonia/compare/11.3.8...11.3.9