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|**✅**|**Stable**| Production-ready channel intended for apps in market. Includes only stable, supported APIs suitable for long-term use. | No more than every six months <br/> *(plus servicing updates as needed)*| Yes |**1.8.5 (1.8.260204001)** <br/> Released: 02/10/2026 <br/> [Release notes](./release-notes/windows-app-sdk-1-8.md?pivots=stable#version-185-18260209005)|
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|**❇️**|**Preview**| Early look at the next Stable release. May introduce breaking API changes before final stabilization. | At least one preview for each Stable release | No |**1.8 Preview (1.8-preview)** <br/> Released: 08/19/2025 <br/> [Release notes](./release-notes/windows-app-sdk-1-8.md?pivots=preview#version-18-preview-18-preview)**|
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|**🔄**|**Experimental**| Early-stage features under active development. APIs may change, be removed, or never ship. Intended for exploration and feedback only. | Published as needed to gather feedback on prototypes and early designs | No |**2.0 Experimental 5 (2.0.0-experimental5)** <br/> Released: 02/13/2026 <br/> [Release notes](./release-notes/windows-app-sdk-2-0.md?pivots=experimental#version-20-experimental-4-200-experimental4)|
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|**❇️**|**Preview**| Early look at the next Stable release. May introduce breaking API changes before final stabilization. | At least one preview for each Stable release | No |**2.0 Preview (2.0-preview)** <br/> Released: 02/13/2026 <br/> [Release Notes](release-notes/windows-app-sdk-2-0.md#windows-app-sdk-200-preview1-release-notes)**|
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|**🔄**|**Experimental**| Early-stage features under active development. APIs may change, be removed, or never ship. Intended for exploration and feedback only. | Published as needed to gather feedback on prototypes and early designs | No |**2.0 Experimental 4 (2.0.0-experimental4)** <br/> Released: 01/13/2026 <br/> [Release notes](./release-notes/windows-app-sdk-2-0.md?pivots=experimental#version-20-experimental-4-200-experimental4)|
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For a comprehensive list of all current and previous releases of the Windows App SDK, including download locations, see [Downloads for the Windows App SDK](downloads.md).
> * The version of ONNX Runtime in Windows ML has been updated to 1.24 RC
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> * Fixed a bug where if RegisterCertifiedAsync is called again in the same process, it incorrectly returns 0 execution providers (EP)
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>
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</details>
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<details><summary>Microsoft.UI.Content</summary>
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> * New `InputFocusController.ShouldShowKeyboardCues` property to guide developers on whether to show keyboard cues right after the creation of a `ContentIsland`.
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> * New convenience API `PointerPoint.GetCurrentPoint`, to allow developers to get the active `PointerPoint` data from the provided `pointerId`.
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>
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</details>
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<details><summary>App Content Search</summary>
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> * Improved `DeleteIndex` reliability. Sometimes `DeleteIndex` would fail with ERROR_SHARING_VIOLATION.
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> * Fix for OCR Bounding boxes returning negative values in some edge cases.
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> * App Content Search are part of a separate `Microsoft.Windows.Search` package instead of being part of `Microsoft.Windows.AI package`.
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> * Fix for prefix search not working with short query strings.
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>
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> * New APIs and renames based on official API review.
> * Fixed an issue where the WindowsAppSDK installer showed no progress during installation, making it appear stalled. The installer now provides clearer progress feedback.
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> * Improved error handling of scenarios where WindowsAppSDKSelfContained is enabled for class libraries.
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>
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</details>
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<details><summary>New or updated APIs</summary>
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>
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> This release includes the following new and modified experimental APIs compared to 1.8.5:
> * Fixed “Class not registered” errors when using self-contained deployment with Windows ML. Developers using self-contained deployment no longer need to register all the Foundation package activatable classes that were used internally.
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> * Fixed "Class not registered" errors when using self-contained deployment with Windows ML. Developers using self-contained deployment no longer need to register all the Foundation package activatable classes that were used internally.
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> * Fixed a potential crash occurring on process shutdown when using Windows ML.
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> * Fixed the `ImageForegroundExtractor` API routing path so calls reach the correct endpoint.
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> * Ensured execution provider install and download progress is correctly forwarded to apps during package deployment.
> Apps can return results based on intent and meaning rather than exact keyword matches.
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> *Example:* A query for **“project timeline”** can surface content that mentions **“schedule”** or **“delivery dates,”** even if those exact words weren’t used.
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> *Example:* A query for **"project timeline"** can surface content that mentions **"schedule"** or **"delivery dates,"** even if those exact words weren't used.
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> - **Retrieval-Augmented Generation (RAG)**
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> Indexed content can serve as a knowledge base for generative AI models. When a user asks a question, the app retrieves the most relevant documents or snippets from its index and feeds them into the model, enabling accurate, context-aware responses grounded in real data.
![learn-build-service-prod[bot]](https://avatars.githubusercontent.com/in/237442?v=4&size=40){kind=avatar}
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