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@agniuks agniuks released this 30 Sep 01:25
v2.5.4-exp
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Windows App SDK 2.5 Experimental is the latest experimental release, adding new Windows AI capabilities, code-based theme resource bindings and DataTemplate construction, the new TableView and Chart controls, and expanded WinUI 3 inking support. It follows Windows App SDK 2.5.1 stable and brings forward the changes from that release alongside the experimental-only additions below.

What's new in WinAppSDK 2.5 Experimental:

  • Windows AI device selection. New AIComputeDevice APIs let apps choose the default, CPU, or NPU execution device for text recognition. App Content Index image indexing can use the same preference for OCR through ContentRegionImageOptions.PreferredTextRecognizerDevice.
  • AI Speech and language model updates. New speech recognition factories improve model configuration and creation, while updated audio, streaming, and continuous recognition APIs expand speech scenarios. Language model APIs now expose model identity, low-rank adapter compatibility, and response statuses for game mode and low video memory.
  • Theme resource binding from code. The experimental FrameworkElement.SetThemeResourceBinding API lets apps create the equivalent of a {ThemeResource} binding programmatically.
  • Delegate-based DataTemplate construction. A new experimental DataTemplate constructor accepts an app-provided delegate that creates the template's element subtree.
  • TableView control. The experimental TableView control is now available in the public WinMDs, with grouping, templated group headers, sorting and filtering, resizable columns, and optional cell and header tooltips.
  • Chart control. A new experimental WinUI 3 Chart control presents Cartesian data as line, area, and bar series, with configurable axes, legends, labels, and markers.
  • WinUI 3 inking updates. New InkPresenter.ActivateCustomDrying and InkSynchronizer APIs let apps render committed ink themselves, and InkToolbar now targets an InkPresenter directly.

Bugs fixed:

  • Fixed an access violation that could occur when reading InkPresenter.StrokeContainer while custom drying was active.
  • Fixed InkCanvas presenter sizing under a RenderTransform.
  • Fixed a WinUI resource-tracking issue that could cause memory usage to grow when apps repeatedly created visual-state storyboards or resolved static or theme resources.
  • Improved cleanup of unreachable native WinUI objects in .NET apps after tab or page teardown.

To see everything that's new and changed, see the full Windows App SDK 2.5 Experimental release notes.

Try it out

Getting started

To get started using Windows App SDK to develop Windows apps, check out the following documentation:

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