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62
windows/client-management/mdm/policy-csp-experience.md
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@ -76,9 +76,6 @@ manager: dansimp
<dd>
<a href="#experience-configurewindowsspotlightonlockscreen">Experience/ConfigureWindowsSpotlightOnLockScreen</a>
</dd>
<dd>
<a href="#experience-configurechaticonvisibilityonthetaskbar">Experience/ConfigureChatIcon</a>
</dd>
<dd>
<a href="#experience-disablecloudoptimizedcontent">Experience/DisableCloudOptimizedContent</a>
</dd>
@ -1222,65 +1219,6 @@ The following list shows the supported values:
<!--/SupportedValues-->
<!--/Policy-->
<!--Policy-->
<a href="" id="experience-configurechaticonvisibilityonthetaskbar"></a>**Experience/ConfigureChatIcon**
<!--SupportedSKUs-->
<table>
<tr>
<th>Windows Edition</th>
<th>Supported?</th>
</tr>
<tr>
<td>Home</td>
<td><img src="images/crossmark.png" alt="cross mark" /></td>
</tr>
<tr>
<td>Pro</td>
<td><img src="images/checkmark.png" alt="check mark" /></td>
</tr>
<tr>
<td>Business</td>
<td><img src="images/checkmark.png" alt="check mark" /></td>
</tr>
<tr>
<td>Enterprise</td>
<td><img src="images/checkmark.png" alt="check mark" /></td>
</tr>
<tr>
<td>Education</td>
<td><img src="images/checkmark.png" alt="check mark" /></td>
</tr>
</table>
<!--/SupportedSKUs-->
<hr/>
<!--Scope-->
[Scope](./policy-configuration-service-provider.md#policy-scope):
> [!div class = "checklist"]
> * Machine
<hr/>
<!--/Scope-->
<!--Description-->
Specifies whether to allow "Chat" on the Taskbar.
<!--/Description-->
<!--SupportedValues-->
The values for this policy are 0, 1, 2 and 3. This policy defaults to 0.
0 - Default: The Chat icon will be displayed or hidden on the taskbar based on account type. Users can show or hide it in Settings.
1 - Show: The Chat icon will be displayed on the taskbar by default. Users can show or hide it in Settings.
2 - Hide: The Chat icon will be hidden by default. Users can show or hide it in Settings.
3 - Disabled: The Chat icon will not be displayed, and users cannot show or hide it in Settings.
<!--/SupportedValues-->
<!--/Policy-->
<hr/>
<!--Policy-->
<a href="" id="experience-disablecloudoptimizedcontent"></a>**Experience/DisableCloudOptimizedContent**

2
windows/deployment/planning/windows-10-deprecated-features.md
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@ -26,6 +26,8 @@ The features described below are no longer being actively developed, and might b
|Feature | Details and mitigation | Announced in version |
| ----------- | --------------------- | ---- |
| Personalization roaming | Roaming of Personalization settings (including wallpaper, slideshow, accent colors, and lock screen images) is no longer being developed and might be removed in a future release. | 21H1 |
| Windows Management Instrumentation Command line (WMIC) tool. | The WMIC tool is deprecated in Windows 10, version 21H1 and the 21H1 semi-annual channel release of Windows Server. This tool is superseded by [Windows PowerShell for WMI](/powershell/scripting/learn/ps101/07-working-with-wmi). Note: This deprecation only applies to the [command-line management tool](/windows/win32/wmisdk/wmic). WMI itself is not affected. | 21H1 |
| Timeline | Starting in July 2021, if you have your activity history synced across your devices through your Microsoft account (MSA), you'll no longer have the option to upload new activity in Timeline. See [Get help with timeline](https://support.microsoft.com/windows/get-help-with-timeline-febc28db-034c-d2b0-3bbe-79aa0c501039).| 20H2 |
| Microsoft Edge | The legacy version of Microsoft Edge is no longer being developed.| 2004 |
| Companion Device Framework | The [Companion Device Framework](/windows-hardware/design/device-experiences/windows-hello-companion-device-framework) is no longer under active development.| 2004 |

9
windows/deployment/planning/windows-10-removed-features.md
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@ -1,6 +1,6 @@
---
title: Windows 10 - Features that have been removed
description: In this article, learn about the features and functionality that have been removed or replaced in Windows 10.
description: In this article, learn about the features and functionality that has been removed or replaced in Windows 10.
ms.prod: w10
ms.mktglfcycl: plan
ms.localizationpriority: medium
@ -28,10 +28,11 @@ The following features and functionalities have been removed from the installed
|Feature | Details and mitigation | Removed in version |
| ----------- | --------------------- | ------ |
|Microsoft Edge|The legacy version of Microsoft Edge is no longer supported after March 9th, 2021. For more information, see [End of support reminder for Microsoft Edge Legacy](/lifecycle/announcements/edge-legacy-eos-details). | 21H1 |
| XDDM-based remote display driver | Support for Windows 2000 Display Driver Model (XDDM) based remote display drivers is removed in this release. Independent Software Vendors that use an XDDM-based remote display driver should plan a migration to the WDDM driver model. For more information on implementing remote display indirect display driver, see [Updates for IddCx versions 1.4 and later](/windows-hardware/drivers/display/iddcx1.4-updates). | 21H1 |
|Microsoft Edge|The legacy version of Microsoft Edge is no longer supported after March 9, 2021. For more information, see [End of support reminder for Microsoft Edge Legacy](/lifecycle/announcements/edge-legacy-eos-details). | 21H1 |
|MBAE service metadata|The MBAE app experience is replaced by an MO UWP app. Metadata for the MBAE service is removed. | 20H2 |
| Connect app | The **Connect** app for wireless projection using Miracast is no longer installed by default, but is available as an optional feature. To install the app, click on **Settings** > **Apps** > **Optional features** > **Add a feature** and then install the **Wireless Display** app. | 2004 |
| Rinna and Japanese Address suggestion | The Rinna and Japanese Address suggestion service for Microsoft Japanese Input Method Editor (IME) ended on August 13th, 2020. For more information, see [Rinna and Japanese Address suggestion will no longer be offered](https://support.microsoft.com/help/4576767/windows-10-rinna-and-japanese-address-suggestion) | 2004 |
| Rinna and Japanese Address suggestion | The Rinna and Japanese Address suggestion service for Microsoft Japanese Input Method Editor (IME) ended on August 13, 2020. For more information, see [Rinna and Japanese Address suggestion will no longer be offered](https://support.microsoft.com/help/4576767/windows-10-rinna-and-japanese-address-suggestion) | 2004 |
| Cortana | Cortana has been updated and enhanced in the Windows 10 May 2020 Update. With [these changes](/windows/whats-new/whats-new-windows-10-version-2004#cortana), some previously available consumer skills such as music, connected home, and other non-Microsoft skills are no longer available. | 2004 |
| Windows To Go | Windows To Go was announced as deprecated in Windows 10, version 1903 and is removed in this release. | 2004 |
| Mobile Plans and Messaging apps | Both apps are still supported, but are now distributed in a different way. OEMs can now include these apps in Windows images for cellular enabled devices. The apps are removed for non-cellular devices.| 2004 |
@ -40,7 +41,7 @@ The following features and functionalities have been removed from the installed
| Desktop messaging app doesn't offer messages sync | The messaging app on Desktop has a sync feature that can be used to sync SMS text messages received from Windows Mobile and keep a copy of them on the Desktop. The sync feature has been removed from all devices. Due to this change, you will only be able to access messages from the device that received the message. | 1903 |
|Business Scanning, also called Distributed Scan Management (DSM)|We're removing this secure scanning and scanner management capability - there are no devices that support this feature.| 1809 |
|[FontSmoothing setting](/windows-hardware/customize/desktop/unattend/microsoft-windows-shell-setup-visualeffects-fontsmoothing) in unattend.xml|The FontSmoothing setting let you specify the font antialiasing strategy to use across the system. We've changed Windows 10 to use [ClearType](/typography/cleartype/) by default, so we're removing this setting as it is no longer necessary. If you include this setting in the unattend.xml file, it'll be ignored.| 1809 |
|Hologram app|We've replaced the Hologram app with the [Mixed Reality Viewer](https://support.microsoft.com/help/4041156/windows-10-mixed-reality-help). If you would like to create 3D word art, you can still do that in Paint 3D and view your art in VR or Hololens with the Mixed Reality Viewer.| 1809 |
|Hologram app|We've replaced the Hologram app with the [Mixed Reality Viewer](https://support.microsoft.com/help/4041156/windows-10-mixed-reality-help). If you would like to create 3D word art, you can still do that in Paint 3D and view your art in VR or HoloLens with the Mixed Reality Viewer.| 1809 |
|limpet.exe|We're releasing the limpet.exe tool, used to access TPM for Azure connectivity, as open source.| 1809 |
|Phone Companion|When you update to Windows 10, version 1809, the Phone Companion app will be removed from your PC. Use the **Phone** page in the Settings app to sync your mobile phone with your PC. It includes all the Phone Companion features.| 1809 |
|Future updates through [Windows Embedded Developer Update](/previous-versions/windows/embedded/ff770079(v=winembedded.60)) for Windows Embedded Standard 7-SP1 (WES7-SP1) and Windows Embedded Standard 8 (WES8)|We’re no longer publishing new updates to the WEDU server. Instead, you may secure any new updates from the [Microsoft Update Catalog](https://www.catalog.update.microsoft.com/Home.aspx). [Learn how](https://techcommunity.microsoft.com/t5/Windows-Embedded/Change-to-the-Windows-Embedded-Developer-Update/ba-p/285704) to get updates from the catalog.| 1809 |

6
windows/whats-new/TOC.yml
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@ -1,5 +1,7 @@
- name: What's new in Windows 10
href: index.yml
- name: What's new in Windows 10, version 21H1
href: whats-new-windows-10-version-21H1.md
- name: What's new in Windows 10, version 20H2
href: whats-new-windows-10-version-20H2.md
- name: What's new in Windows 10, version 2004
@ -10,10 +12,10 @@
href: whats-new-windows-10-version-1903.md
- name: What's new in Windows 10, version 1809
href: whats-new-windows-10-version-1809.md
- name: What's new in Windows 10, version 1803
href: whats-new-windows-10-version-1803.md
- name: Previous versions
items:
- name: What's new in Windows 10, version 1803
href: whats-new-windows-10-version-1803.md
- name: What's new in Windows 10, version 1709
href: whats-new-windows-10-version-1709.md
- name: What's new in Windows 10, version 1703

5
windows/whats-new/index.yml
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@ -26,6 +26,8 @@ landingContent:
linkLists:
- linkListType: overview
links:
- text: What's new in Windows 10, version 21H1
url: whats-new-windows-10-version-21h1.md
- text: What's new in Windows 10, version 20H2
url: whats-new-windows-10-version-20H2.md
- text: What's new in Windows 10, version 2004
@ -36,8 +38,7 @@ landingContent:
url: whats-new-windows-10-version-1903.md
- text: What's new in Windows 10, version 1809
url: whats-new-windows-10-version-1809.md
- text: What's new in Windows 10, version 1803
url: whats-new-windows-10-version-1803.md
# Card (optional)
- title: Learn more

139
windows/whats-new/whats-new-windows-10-version-21H1.md Normal file
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@ -0,0 +1,139 @@
---
title: What's new in Windows 10, version 21H1
description: New and updated features in Windows 10, version 21H1 (also known as the Windows 10 May 2021 Update).
keywords: ["What's new in Windows 10", "Windows 10", "May 2021 Update"]
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
audience: itpro
author: greg-lindsay
ms.author: greglin
manager: laurawi
ms.localizationpriority: high
ms.topic: article
---
# What's new in Windows 10, version 21H1 for IT Pros
**Applies to**
- Windows 10, version 21H1
This article lists new and updated features and content that is of interest to IT Pros for Windows 10, version 21H1, also known as the **Windows 10 May 2021 Update**. This update also contains all features and fixes included in previous cumulative updates to Windows 10, version 20H2.
Windows 10, version 21H1 is a scoped set of features for select performance improvements, enterprise features, and quality enhancements. As an [H1-targeted release](/lifecycle/faq/windows#what-is-the-servicing-timeline-for-a-version--feature-update--of-windows-10-), 21H1 is serviced for 18 months from the release date for devices running Windows 10 Enterprise or Windows 10 Education editions.
For details on how to update your device, or the devices in your organization, see [How to get the Windows 10 May 2021 Update](https://blogs.windows.com/windowsexperience/?p=175674). Devices running Windows 10, versions 2004 and 20H2 have the ability to update quickly to version 21H1 via an enablement package. For more details, see [Feature Update through Windows 10, version 21H1 Enablement Package](https://support.microsoft.com/help/5000736).
## Servicing
### Windows Update
Starting with Windows 10, version 20H2 and including this release, Latest Cumulative Updates (LCUs) and Servicing Stack Updates (SSUs) have been combined into a single cumulative monthly update, available via Microsoft Catalog or Windows Server Update Services. For more information, see [Simplifying on-premises deployment of servicing stack updates](https://techcommunity.microsoft.com/t5/windows-it-pro-blog/simplifying-on-premises-deployment-of-servicing-stack-updates/ba-p/1646039).
Also see [What's next for Windows 10 updates](https://blogs.windows.com/windowsexperience/2020/06/16/whats-next-for-windows-10-updates/).
## Deployment
### Windows Autopilot
A new [resolved issues](/mem/autopilot/resolved-issues) article is available that includes several new fixes for Windows Autopilot deployment scenarios.
A new Intune remote action: **Collect diagnostics**, lets you collect the logs from corporate devices without interrupting or waiting for the end user. For more information, see [Collect diagnostics remote action](/mem/intune/fundamentals/whats-new#collect-diagnostics-remote-action).
Intune has also added capabilities to [Role-based access control](/mem/intune/fundamentals/whats-new#role-based-access-control) (RBAC) that can be used to further define profile settings for the Enrollment Status Page (ESP). For more information see [Create Enrollment Status Page profile and assign to a group](/mem/intune/enrollment/windows-enrollment-status#create-enrollment-status-page-profile-and-assign-to-a-group).
For a full list of what's new in Microsoft Intune, see [What's new in Microsoft Intune](/mem/intune/fundamentals/whats-new).
### Windows Assessment and Deployment Toolkit (ADK)
There is no new ADK for Windows 10, version 21H1. The ADK for Windows 10, version 2004 will also work with Windows 10, version 20H2. For more information, see [Download and install the Windows ADK](/windows-hardware/get-started/adk-install).
## Device management
Windows Management Instrumentation (WMI) Group Policy Service (GPSVC) has a performance improvement to support remote work scenarios:
- An issue is fixed that caused changes by an Active Directory (AD) administrator to user or computer group memberships to propagate slowly. Although the access token eventually updates, these changes might not appear when the administrator uses gpresult /r or gpresult /h to create a report.
## Security
### Windows Defender Application Guard (WDAG)
WDAG performance is improved with optimized document opening times:
- An issue is fixed that could cause a one minute or more delay when you open a Microsoft Defender Application Guard (WDAG) Office document. This can occur when you try to open a file using a Universal Naming Convention (UNC) path or Server Message Block (SMB) share link.
- A memory issue is fixed that could casue a WDAG container to use almost 1 GB of working set memory when the container is idle.
- The performance of Robocopy is improved when copying files over 400 MB in size.
### Windows Hello
Windows Hello multi-camera support is added, allowing users to choose an external camera priority when both external and internal Windows Hello-capable cameras are present.
## Microsoft Edge
The new Chromium-based [Microsoft Edge](https://www.microsoft.com/edge/business) browser is included with this release. For more information about what's new in Edge, see the [Microsoft Edge insider](https://www.microsoftedgeinsider.com/whats-new).
## General fixes
See the [Windows Insider blog](https://blogs.windows.com/windows-insider/2021/02/17/releasing-windows-10-build-19042-844-20h2-to-beta-and-release-preview-channels/) for more information.
This release includes the following enhancements and issues fixed:
- a memory leak in Internet Explorer 11 that occurs when you use the Chinese language pack.
- COM+ callout policies that cause a deadlock in certain applications.
- an issue that prevents certain Win32 apps from opening as a different user when you use the runas
- unexpected screens during the Windows Out of Box Experience (OOBE).
- an issue that might cause a deadlock when a COM server delivers an event to multiple subscribers in parallel.
- an issue in Advanced display settings that shows the incorrect refresh rates available for high dynamic range (HDR) displays.
- an issue that might prevent certain CAD applications from opening if those applications rely on OpenGL.
- an issue that might cause video playback to flicker when rendering on certain low-latency capable monitors.
- an issue that sometimes prevents the input of strings into the Input Method Editor (IME).
- an issue that exhausts resources because Desktop Windows Manager (DWM) leaks handles and virtual memory in Remote Desktop sessions.
- a stop error that occurs at start up.
- an issue that might delay a Windows Hello for Business (WHfB) Certificate Trust deployment when you open the Settings-> Accounts-> Sign-in Options page.
- an issue that might prevent some keyboard keys from working, such as the home, Ctrl, or left arrow keys when you set the Japanese IME input mode to Kana.
- removed the history of previously used pictures from a user account profile.
- wrong language displayed on a console after you change the system locale.
- host process of Windows Remote Management (WinRM) can stop working when it formats messages from a PowerShell plugin.
- Windows Management Instrumentation (WMI) service caused a heap leak each time security settings are applied to WMI namespace permissions.
- screen rendering after opening games with certain hardware configurations.
- startup times for applications that have roaming settings when User Experience Virtualization (UE-V) is turned on.
- a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). This occurs on devices that installed Windows Updates that contain CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released between November 10, 2020 and December 8, 2020. Ticket acquisition also fails with the error, “KRB_GENERIC_ERROR”, if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the USER_NO_AUTH_DATA_REQUIRED flag.
- high memory and CPU utilization in Microsoft Defender for Endpoint.
- We enhanced data loss prevention and insider risk management solution functionalities in Microsoft 365 endpoints.
- an error when you attempt to open an untrusted webpage using Microsoft Edge or open an untrusted Microsoft Office document. The error is, “WDAG Report – Container: Error: 0x80070003, Ext error: 0x00000001”. This issue occurs after installing the .NET update KB4565627.
- an issue that prevents wevtutil from parsing an XML file.
- failure to report an error when the Elliptic Curve Digital Signature Algorithm (ECDSA) generates invalid keys of 163 bytes instead of 165 bytes.
- We added support for using the new Chromium-based Microsoft Edge as the assigned access single kiosk app. Now, you can also customize a breakout key sequence for single app kiosks. For more information, see Configure Microsoft Edge kiosk mode.
- User Datagram Protocol (UDP) broadcast packets that are larger than the maximum transmission unit (MTU). Devices that receive these packets discard them because the checksum is not valid.
- the WinHTTP AutoProxy service does not comply with the value set for the maximum Time To Live (TTL) on the Proxy Auto-Configuration (PAC) file. This prevents the cached file from updating dynamically.
- We improved the ability of the WinHTTP Web Proxy Auto-Discovery Service to ignore invalid Web Proxy Auto-Discovery Protocol (WPAD) URLs that the Dynamic Host Configuration Protocol (DHCP) server returns.
- We displayed the proper Envelope media type as a selectable output paper type for Universal Print queues.
- We ended the display of a random paper size for a printer when it uses the Microsoft Internet Printing Protocol (IPP) Class Driver.
- We enabled Windows to retrieve updated printer capabilities to ensure that users have the proper set of selectable print options.
- We updated support for hole punch and stapling locations for print jobs with long edge first paper feed direction on certain printers.
- an issue that might cause the IKEEXT service to stop working intermittently.
- an issue that might prevent a Non-Volatile Memory Express (NVMe) device from entering the proper power state.
- an issue that might cause stop error 7E in sys on servers running the Network File System (NFS) service.
- an issue that prevents the User Profile Service from detecting a slow or a fast link reliably.
- an issue that causes contention for a metadata lock when using Work Folders.
- We added a new dfslogkey:<br>
Keypath: **HKEY_LOCAL_MACHINE/SOFTWARE/MICROSOFT/dfslog**<br>
The **RootShareAcquireSuccessEvent** field has the following possible values:
* Default value = 1; enables the log.
* Value other than 1; disables the log.
If this key does not exist, it will be created automatically.
To take effect, any change to **dfslog/RootShareAcquireSuccessEvent** in the registry requires that you restart the DFSN service.
- We updated the Open Mobile Alliance (OMA) Device Management (DM) sync protocol by adding a check-in reason for requests from the client to the server. The check-in reason will allow the mobile device management (MDM) service to make better decisions about sync sessions. With this change, the OMA-DM service must negotiate a protocol version of 4.0 with the Windows OMA-DM client.
- We turned off token binding by default in Windows Internet (WinINet).
- an issue that might prevent the correct Furigana characters from appearing in apps that automatically allow the input of Furigana characters. You might need to enter the Furigana characters manually. This issue occurs when using the Microsoft Japanese Input Method Editor (IME) to enter Kanji characters in these apps.
## See Also
[IT tools to support Windows 10, version 21H1](https://aka.ms/tools-for-21H1)<br>
[Introducing the next feature update to Windows 10, version 21H1](https://blogs.windows.com/windowsexperience/2021/02/17/introducing-the-next-feature-update-to-windows-10-version-21h1/): Windows Experience Blog.<br>
[What's New in Windows Server](/windows-server/get-started/whats-new-in-windows-server): New and updated features in Windows Server.<br>
[Windows 10 Features](https://www.microsoft.com/windows/features): General information about Windows 10 features.<br>
[What's New in Windows 10](./index.yml): See what’s new in other versions of Windows 10.<br>
[Announcing more ways we’re making app development easier on Windows](https://blogs.windows.com/windowsdeveloper/2020/09/22/kevin-gallo-microsoft-ignite-2020/): Simplifying app development in Windows.<br>
[Features and functionality removed in Windows 10](/windows/deployment/planning/windows-10-removed-features): Removed features.<br>
[Windows 10 features we’re no longer developing](/windows/deployment/planning/windows-10-deprecated-features): Features that are not being developed.<br>