Merging changes synced from https://github.com/MicrosoftDocs/windows-dev-docs-pr (branch live)

Author: Learn Build Service GitHub App

hub/apps/publish/images/whats-new-company-account-2.png

@@ -16,6 +16,7 @@ The new onboarding process allows company developers to publish apps to the Micr
 |-----------------------------------|---------------------------------------------------------------------------|
 | **Free registration**           | The $99 registration fee is waived in the new flow. |
 | **Guided, lightweight onboarding**         | A clean, modern experience with step-by-step guidance and email notifications for verification status updates, so you know what’s happening and what to do next. |
+| **Microsoft Entra ID (work account) sign-in support (available in flighted markets only)**         | You can now sign in with either a personal Microsoft account (MSA) or a Microsoft Entra ID work account when creating a company developer account. If you sign in with an Entra ID account, your entire organization's tenant is onboarded — meaning other users from the same tenant can also access Partner Center once appropriate roles are assigned. |
 
 ## Who should select a company account
 
@@ -67,9 +68,18 @@ Uploaded documents must be official, current, and clearly show ownership of the
 
 3. Select **Company account** (free).
 
-![Choose account type](images/new-company-account-2.png)
+![Choose account type](images/whats-new-company-account-2.png)
 
-4. **Sign in** with your personal Microsoft account (MSA) or create a new one.
+4. Sign in with your **personal Microsoft account (MSA)** or your **Microsoft Entra ID (work) account**:
+* **Personal Microsoft account (MSA)**: Use an existing personal Microsoft account or create a new one.
+* **Microsoft Entra ID (work account) [available in flighted markets only]**: Sign in with your organization's work account (e.g., [email protected]). This option is available for company accounts only. Individual developer accounts must use a personal Microsoft account.
+
+> **Note:**
+> * **Tenant-wide onboarding**: When you sign in with an Entra ID account and complete onboarding, your entire Azure AD tenant is onboarded. All users in your organization's tenant are marked as having an active developer account. However, only the user who completes the onboarding process receives Owner permissions by default in Partner Center. Other tenant users will need to be assigned roles (Developer, Manager, Owner, etc.) by an Owner or Manager through [Partner Center → Account settings → User management.](../publish/partner-center/manage-users-in-partner-center.md)
+> * **If your organization's tenant is already onboarded**: If someone in your organization has already completed company account onboarding using an Entra ID account, and you sign in with your own Entra ID account from the same tenant, you will be redirected to Partner Center. However, you may not see the Apps & Games workspace in Partner Center. This is expected unless an Owner or Manager has given you the necessary permissions.
+> **What to do:**
+>   1. Contact your account Owner or Manager and ask them to assign you a role through [Partner Center → Account settings → User management.](../publish/partner-center/manage-users-in-partner-center.md)
+>   2. If you don't know who the Owner or Manager of your account is, check with your Azure AD tenant administrator.
 
 5. Enter your business details by verifying with a **D-U-N-S number** (recommended for faster verification) or by uploading **official business documents**. Review and confirm the company information shown.
 
@@ -149,3 +159,11 @@ You must begin your journey at [storedeveloper.microsoft.com](https://storedevel
 ### I already have a developer account—do I need to use this?
 
 No — this flow is only for new company developers creating their account for the first time.
+
+### Can I use my work account (Microsoft Entra ID) to create an Individual developer account?
+
+No, Entra ID (work account) sign-up is currently supported only for Company accounts. If you're signing up as an Individual developer, you must use a personal Microsoft account (MSA).
+
+### I signed in with my Entra ID (work account) but I can't see the Apps & Games workspace in Partner Center. What should I do?
+
+This typically means someone else in your organization has already completed company account onboarding, and your tenant is already registered. You've been redirected to Partner Center, but you haven't been assigned a role yet. Contact your account Owner or Manager and ask them to assign you a role (such as Developer, Manager, or Owner) through [Partner Center → Account settings → User management.](../publish/partner-center/manage-users-in-partner-center.md) If you're unsure who the Owner or Manager is, check with your Azure AD tenant administrator.

hub/apps/publish/whats-new-company-developer.md

@@ -2,7 +2,7 @@
 title: Windows SDK downloads
 description: Downloads for the Windows SDK
 ms.topic: article
-ms.date: 04/10/2026
+ms.date: 04/22/2026
 keywords: windows win32, windows app development, Windows App SDK, windows sdk
 ms.localizationpriority: medium
 ---
@@ -17,13 +17,15 @@ For older versions, see the [Windows SDK download archive](downloads-archive.md)
 
 | Release  | Downloads |
 | ----- | -------------------------------------- |
+| **Windows SDK for Windows 11 (10.0.28000.1839)** <br/> April 2026 <br/> [Release notes](./release-notes.md#build-100280001839) | [Installer](https://go.microsoft.com/fwlink/?linkid=2361309) <br/> [ISO](https://go.microsoft.com/fwlink/?linkid=2361406) |
 | **Windows SDK for Windows 11 (10.0.28000.1721)** <br/> March 2026 <br/> [Release notes](./release-notes.md#build-100280001721) | [Installer](https://go.microsoft.com/fwlink/?linkid=2357925) <br/> [ISO](https://go.microsoft.com/fwlink/?linkid=2357642) |
 | **Windows SDK for Windows 11 26H1 for OEMs and Partners (10.0.28000.1)** <br/> November 2025 | [Installer](//go.microsoft.com/fwlink/?linkid=2342535) <br/> [ISO](//go.microsoft.com/fwlink/?linkid=2343616) |
 
 ## Windows 11 — 26100 versions
 
 | Release  | Downloads |
 | ----- | -------------------------------------- |
+| **Windows SDK for Windows 11 (10.0.26100.8249)** <br/> April 2026 <br/> [Release notes](./release-notes.md#build-100261008249) | [Installer](https://go.microsoft.com/fwlink/?linkid=2361308) <br/> [ISO](https://go.microsoft.com/fwlink/?linkid=2361208) |
 | **Windows SDK for Windows 11 (10.0.26100.8038)** <br/> March 2026 <br/> [Release notes](./release-notes.md#build-100261008038) | [Installer](https://go.microsoft.com/fwlink/?linkid=2358390) <br/> [ISO](https://go.microsoft.com/fwlink/?linkid=2358476) |
 | **Windows SDK for Windows 11 (10.0.26100.7705)** <br/> February 2026 <br/> [Release notes](./release-notes.md#build-100261007705) | [Installer](https://go.microsoft.com/fwlink/?linkid=2349110) <br/> [ISO](https://go.microsoft.com/fwlink/?linkid=2348707) |
 | **Windows SDK for Windows 11 (10.0.26100.7627)** <br/> January 2026 <br/> [Release notes](./release-notes.md#build-100261007627) | [Installer]( https://go.microsoft.com/fwlink/?linkid=2347650) <br/> [ISO](https://go.microsoft.com/fwlink/?linkid=2347553) |

hub/apps/windows-sdk/downloads.md

@@ -2,7 +2,7 @@
 title: What's new in Windows SDK
 description: Provides information about release notes for the Windows SDK.
 ms.topic: release-notes
-ms.date: 04/10/2026
+ms.date: 04/22/2026
 keywords: windows win32, windows app development, Windows SDK, Windows Platform SDK, windows 11
 ms.localizationpriority: medium
 ---
@@ -16,6 +16,150 @@ For the the latest builds, see [Downloads for the Windows SDK](./downloads.md).
 
 ## 28000 versions
 
+## Build 10.0.28000.1839
+
+Released: **April, 2026** <br><br>
+
+<details>
+<summary>WinRT API additions and updates</summary>
+
+> **Windows.Devices.Haptics** (UniversalApiContract 19.0):
+> <br/>
+> New properties on `KnownSimpleHapticsControllerWaveforms`:
+>
+> - `Collide` — Waveform ID for collision haptic feedback
+> - `Align` — Waveform ID for alignment haptic feedback
+> - `Step` — Waveform ID for step haptic feedback
+> - `Grow` — Waveform ID for growth haptic feedback
+>
+> **Windows.Devices.Printers**:
+> <br/>
+> Graduated from experimental to stable:
+>
+> - `VirtualPrinterInstallationStatus` enum — Installation status values including `InstallationSucceeded`
+> - `VirtualPrinterPreferredInputFormat` enum — Preferred input format values including `OpenXps`
+> - `IVirtualPrinterInstallationParameters` interface
+> - `IVirtualPrinterInstallationResult` interface
+> - `IVirtualPrinterManagerStatics` interface
+> - `IVirtualPrinterSupportedFormat` interface
+> - `IVirtualPrinterSupportedFormatFactory` interface
+> - `VirtualPrinterInstallationParameters` runtime class
+> - `VirtualPrinterInstallationResult` runtime class
+> - `VirtualPrinterSupportedFormat` runtime class
+>
+> **Windows.Media.ClosedCaptioning** (UniversalApiContract 15.0):
+> <br/>
+> New types:
+>
+> - `ClosedCaptionTheme` runtime class — Represents a closed caption theme with customization support
+> - `IClosedCaptionTheme` interface — Properties: `Id`, `DisplayName`, `FontColor`, `ComputedFontColor`, `FontOpacity`, `FontSize`, `FontStyle`, `FontEffect`, `BackgroundColor`, `ComputedBackgroundColor`, `BackgroundOpacity`, `RegionColor`, `ComputedRegionColor`, `RegionOpacity`
+> - `IClosedCaptionThemeStatics` interface — Methods: `GetAvailableThemes`, `GetSelectedTheme`, `TrySetSelectedTheme`; Events: `ThemesChanged`, `SelectedThemeChanged`
+
+</details>
+
+<details>
+<summary>WinRT Experimental API additions</summary>
+
+> **Windows.Storage.Search** (UniversalApiContract 19.0):
+> <br/>
+> New interface:
+>
+> - `IQueryOptionsAdditionalSearchSources` — Adds `IncludeCloudProviders` and `IncludeLocalSemanticIndex` properties to `QueryOptions`
+
+</details>
+
+<details>
+<summary>Win32 API additions and updates</summary>
+
+> **Bluetooth Hands-Free Profile (bthdef.h)**
+> <br/>
+> Added comprehensive Bluetooth Hands-Free Profile (HFP) feature constants:
+>
+> - `HFP_AG_SDP_SUPPORTED_FEATURE_*` — Audio Gateway SDP supported feature flags for three-way calling, echo cancellation, voice recognition, in-band ring tone, voice tag, wide-band speech, and more
+> - `HFP_AG_BRSF_SUPPORTED_FEATURE_*` — Audio Gateway BRSF supported feature flags for three-way calling, echo cancellation, voice recognition, codec negotiation, and more
+> - `HFP_HF_SDP_SUPPORTED_FEATURE_*` — Hands-Free SDP supported feature flags for echo cancellation, three-way calling, CLI presentation, voice recognition, and more
+> - `HFP_HF_BRSF_SUPPORTED_FEATURE_*` — Hands-Free BRSF supported feature flags for echo cancellation, three-way calling, voice recognition, codec negotiation, and more
+> - `HFP_NETWORK_NO_ABILITY_TO_REJECT`, `HFP_NETWORK_ABILITY_TO_REJECT` — Network call rejection capability flags
+>
+> **HID Usages (hidusage.h)**
+> <br/>
+> New haptics usage values:
+>
+> - `HID_USAGE_HAPTICS_WAVEFORM_COLLIDE`, `HID_USAGE_HAPTICS_WAVEFORM_ALIGN`, `HID_USAGE_HAPTICS_WAVEFORM_STEP`, `HID_USAGE_HAPTICS_WAVEFORM_GROW`
+>
+> **NVMe (nvme.h)**
+> <br/>
+> Fixed typo:
+>
+> - `NVME_LOG_PAGE_BOOT_PARTITON` renamed to `NVME_LOG_PAGE_BOOT_PARTITION`
+>
+> **Security / SSPI (sspi.h)**
+> <br/>
+> New GUID:
+>
+> - `SEC_WINNT_AUTH_DATA_TYPE_PLACEHOLDER` — Placeholder authentication data type
+>
+> **Security / LSA (ntlsa.h)**
+> <br/>
+> New agent-based authentication APIs:
+>
+> - `LsaCreateAgentAccount` — Creates an agent account
+> - `LsaRetrieveAgentLogonCredential` — Retrieves agent logon credentials
+> - `LsaEnumerateAgentAccounts` — Enumerates agent accounts
+> - `LsaDeleteAgentAccount` — Deletes an agent account
+> - `LsaGetAgentOwner` — Gets the agent owner
+> - `LSA_AGENT_LOGON_CREDENTIAL` — Agent logon credential struct
+> - `LSA_AGENT_ACCOUNT_INFO` — Agent account information struct
+> - `LSA_AGENT_ACCOUNT_LIST` — List of agent accounts struct
+>
+> **Security / Authentication (NTSecPKG.h)**
+> <br/>
+> New definitions:
+>
+> - `KSecAllocateContextBuffer` — Function for allocating security context buffers
+> - Added `extern "C"` guards for C++ compatibility
+>
+> **Content Indexing (NTQuery.h)**
+> <br/>
+> New define:
+>
+> - `CI_VERSION_CORRID` — Content index correlation ID version constant
+>
+> **Text Services (TextStor.h)**
+> <br/>
+> New defines:
+>
+> - `TS_SD_DISABLEWRITINGSUGGESTIONS` — Flag to disable writing suggestions
+> - `TS_SS_MULTILINE` — Flag for multiline text store support
+>
+> **WRL Async (wrl/async.h)**
+> <br/>
+> Updated:
+>
+> - Async completion handling reworked for thread safety using `_InterlockedCompareExchange` and reference counting (`cCompleteDelegateRefCount_`)
+
+</details>
+
+<details>
+<summary>COM API updates</summary>
+
+> **Edition Upgrade Helper (EditionUpgradeHelper.idl)**
+> <br/>
+> Updated method:
+>
+> - `IClipServiceNotificationHelper::ShowToast` — Parameter list simplified from 5 BSTR parameters to `void`
+>
+> **Text Services Framework (TextStor.idl)**
+> <br/>
+> New constants:
+>
+> - `TS_SD_DISABLEWRITINGSUGGESTIONS` — Flag to disable writing suggestions
+> - `TS_SS_MULTILINE` — Flag for multiline text store support
+
+</details>
+
+---
+
 ## Build 10.0.28000.1721
 
 Released: **March, 2026** <br><br>
@@ -157,6 +301,166 @@ This is a major version bump to the **28000** SDK series.
 
 ## 26100 versions
 
+## Build 10.0.26100.8249
+
+Released: **April, 2026** <br><br>
+
+<details>
+<summary>WinRT API additions and updates</summary>
+
+> **Windows.Devices.Printers**:
+> <br/>
+> Updated methods:
+>
+> - `IIppAttributeConverterStatics.ConvertPrintTicketToIppAttributesForPrinter` — Now accepts an additional `targetPdlFormat` parameter
+>
+> Graduated from experimental to stable:
+>
+> - `IppAttributeConverter` runtime class
+> - `IppAttributeGroupKind` enum
+> - `IPdlPassthroughProvider2` interface
+>
+> **Windows.Graphics.Printing.PrintSupport**:
+> <br/>
+> Graduated from experimental to stable:
+>
+> - `IPrintSupportPrintDeviceCapabilitiesChangedEventArgs5` — Interface with `SetPdlPassthroughWithJobAttributesSupported` method
+>
+> New types:
+>
+> - `PrintSupportEnterpriseManagementUIEventArgs` — Implements `IActivatedEventArgs` and `IActivatedEventArgsWithUser` for enterprise management UI activation scenarios
+>
+> **Windows.Graphics.Printing.Workflow**:
+> <br/>
+> Graduated from experimental to stable:
+>
+> - `IPrintWorkflowPrinterJob3` — Interface with passthrough attribute support
+>
+> Updated properties:
+>
+> - `IsPassthroughJob` renamed to `IsPassthroughJobWithAttributes`
+
+</details>
+
+<details>
+<summary>WinRT Experimental API additions</summary>
+
+> **Windows.AI.Agents.Mcp**:
+> <br/>
+> New interface:
+>
+> - `IMcpMessageFilterExperimental2` — Adds `Initialize` method with client/server process identifiers and IDs, plus `OnMessage` for MCP message filtering
+>
+> **Windows.Devices.Haptics**:
+> <br/>
+> New properties on `KnownSimpleHapticsControllerWaveforms`:
+>
+> - `Collide` — Waveform ID for collision haptic feedback
+> - `Align` — Waveform ID for alignment haptic feedback
+> - `Step` — Waveform ID for step haptic feedback
+> - `Grow` — Waveform ID for growth haptic feedback
+>
+> **Windows.Graphics.Capture**:
+> <br/>
+> New interfaces:
+>
+> - `IDirect3D11CaptureFrame3` — Adds `ConfigurationIteration` property to capture frames
+> - `IGraphicsCaptureSession7` — Adds `ConfigurationIteration` property and window exclusion list management
+> - `IDisplayGraphicsCaptureSession` — Display-specific graphics capture session
+>
+> New methods:
+>
+> - `SetWindowExclusionList` — Sets a list of windows to exclude from capture
+> - `GetWindowExclusionList` — Gets the current window exclusion list
+>
+> **Windows.Media.ClosedCaptioning**:
+> <br/>
+> New types:
+>
+> - `ClosedCaptionTheme` — Represents a closed caption theme with customization support
+>
+> New methods:
+>
+> - `GetAvailableThemes` — Retrieves available closed caption themes
+> - `GetSelectedTheme` — Gets the currently selected theme
+> - `TrySetSelectedTheme` — Attempts to set the selected theme
+>
+> New events:
+>
+> - `SelectedThemeChanged` — Fires when the selected closed caption theme changes
+
+</details>
+
+<details>
+<summary>Win32 API additions and updates</summary>
+
+> **Event Tracing (evntprov.h / evntcons.h)**
+> <br/>
+> New definitions:
+>
+> - `EVENT_DATA_DESCRIPTOR_TYPE_RESERVED1` — Reserved event data descriptor type
+> - `EventProviderSetReserved2` — New value in `EVENT_INFO_CLASS` enum
+> - `EVENT_HEADER_FLAG_RESERVED1` — New event header flag
+>
+> **HID Usages (hidusage.h)**
+> <br/>
+> New haptics usage values:
+>
+> - `HID_USAGE_HAPTICS_WAVEFORM_COLLIDE` — Collision haptic waveform
+> - `HID_USAGE_HAPTICS_WAVEFORM_ALIGN` — Alignment haptic waveform
+> - `HID_USAGE_HAPTICS_WAVEFORM_STEP` — Step haptic waveform
+> - `HID_USAGE_HAPTICS_WAVEFORM_GROW` — Growth haptic waveform
+>
+> **Error Codes (winerror.h)**
+> <br/>
+> New BitLocker error codes:
+>
+> - `FVE_E_MISSING_PROTECTORS` — BitLocker protectors are missing
+> - `FVE_E_METHOD_MISMATCH` — BitLocker method mismatch
+>
+> **Security / Authentication (NTSecPKG.h)**
+> <br/>
+> New definitions:
+>
+> - `SECPKG_CALL_AGENT_LOGON` — Security package call flag for agent-based logon
+> - `KSecAllocateContextBuffer` — Function for allocating security context buffers
+> - Added `extern "C"` guards for C++ compatibility
+>
+> **Crypto / TPM (ncrypt.h)**
+> <br/>
+> New TPM property defines:
+>
+> - `NCRYPT_PCP_AIKSTORE_PROPERTY` — TPM AIK store property
+> - `NCRYPT_PCP_EKSTORE_PROPERTY` — TPM EK store property
+>
+> **Content Indexing (NTQuery.h)**
+> <br/>
+> New define:
+>
+> - `CI_VERSION_QUERY_METADATA` — Content index version for query metadata / semantic reliability
+>
+> **Shell API (shellapi.h)**
+> <br/>
+> New define:
+>
+> - `ABC_OVERLAYDESKTOPICONS` — Overlay desktop icons flag for `ABM_NEW`
+>
+> **Rust Bindgen Compatibility (ntdef.h / winnt.h)**
+> <br/>
+> Updated:
+>
+> - `DECLSPEC_NOINITALL` macro now excludes Rust bindgen passes via `!defined(RUST_BINDGEN)`
+>
+> **WRL Async (wrl/async.h)**
+> <br/>
+> Updated:
+>
+> - Async completion handling reworked for thread safety using `_InterlockedCompareExchange` and reference counting (`cCompleteDelegateRefCount_`)
+
+</details>
+
+---
+
 ## Build 10.0.26100.8038
 
 Released: **March, 2026** <br><br>