New Windows 11 Update 22621.1928 or KB5027303 – New Features in the Main Release

In this article, we will talk about the latest Windows 11 Update for the Main Release, which is Build 22621.1928 or KB5027303.

For those of you who are not familiar with how Windows 11 Updates for the Main Release work, I will explain it to you in the following lines.

Every month Windows 11 has a B and a C Release for Windows 11. Usually, the B Release is launched on the second Tuesday of the month and contains all the features that were tested in the previous month’s C Release.

First of all, in this Build, you have a complete set of Moment 3 Features. This will include:

• Improvements for the Live Captions and Voice Access Apps
• New VPN Network Icon in the System Tray when you are connected to a recognized VPN
• Clocks with Seconds in the System Tray
• New Copy button for 2FA codes inside Notifications
• Access key shortcuts for the File Explorer Context Menu
• Multi-app kiosk mode
• Live kernel memory dump in Task Manager
• New Settings for Showing the touch keyboard when there’s no keyboard attached
• Content Adaptive Brightness Control
• USB4 hubs and devices Settings page
• Presence sensing Settings
• Improved Search performance in Settings
• Changed print screen key behavior
• Limit of 20 most recent tabs when you use ALT + TAB and Snap Assist
• Improved cloud suggestion and integrated search suggestion

Particular to this Update, you will able to notice these changes/fixes:

• New! This update adds many new features and improvements to Microsoft Defender for Endpoint. For more information, see Microsoft Defender for Endpoint.
• New! With this update, you can now authenticate across Microsoft clouds. This feature also satisfies Conditional Access checks if they are needed.
• New! This update affects virtual memory ranges. They are now added to kernel-generated minidumps after a stop error. These ranges are marked by a KbCallbackTriageDumpData BugCheck Callback Routine.
• New!  This update improves several simplified Chinese fonts and the Microsoft Pinyin Input Method Editor (IME). They now support GB18030-2022. Characters in the Standard Chinese Characters List (GB18030-2022 implementation level 2) are available in Microsoft Yahei (regular, light, and bold), Dengxian (optional font: regular, light, and bold), and Simsun. The Simsun Ext-B font (GB18030-2022 implementation level 3) now supports Unicode CJK Unified Ideographs Extensions E and F.
• This update affects the reliability of Windows. It improves after you update the OS.
• This update addresses an issue that affects Microsoft Intune push notifications. The issue stops devices that have less than 3.5 GB of RAM from getting them.
• This update addresses an issue that affects certain apps. It stops working when it tries to scan a barcode.
• This update addresses an issue that affects Narrator. The issue stops Narrator from retaining your scan mode when you switch between browsers.
• This update addresses an issue that affects Narrator. It reads the wrong state when you cancel the selection of an option button you have selected.
• This update addresses an issue that affects Teams. The issue stops Teams from alerting you about missed calls or messages.
• This update addresses an issue that affects a scheduled monthly task. It might not run on time if the next occurrence happens when daylight savings time occurs.
• This update addresses an issue that affects certain applications that use IDBObjectStore. They do not work in Microsoft Edge and IE mode.
• This update addresses an issue that affects all the registry settings under the Policies paths. They might be deleted. This occurs when you do not rename the local temporary user policy file during Group Policy processing.
• This update gives user accounts the ability to open an elevated Windows Terminal. This only works if they use an admin account that has not signed in before.
• This update affects the Desktop Window Manager (DWM). It improves its reliability.
• This update addresses an issue that affects .msi files. A minor update is not installed. This occurs when you use the EnterpriseDesktopAppManagement configuration service provider (CSP) to distribute the .msi file.
• This update addresses an issue that affects msftconnecttext.net. It gets excessive HTTP traffic.
• This update addresses an issue that affects the Spooler service. It stops working. This issue occurs when you print using a certain workspace.
• This update addresses an issue that affects devices that use the Network Protector for BitLocker. The device will not resume after it has been suspended.
• This update addresses an issue that affects a tib.sys driver. It does not load. This occurs when HyperVisor-protected Code Integrity (HVCI) is enabled.
• This update addresses an issue that affects TextInputHost.exe. It stops working.
• This update addresses an issue that affects Azure Virtual Desktop and Windows 365 users. You might not see the right location for a Remote Desktop session in your virtual machine or Cloud PC.
• This update addresses an issue that affects HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders. You can now set and maintain the correct default permissions for this directory path. When the permissions are wrong, Start menu, search, and Azure Active Directory (Azure AD) authentication fails.
• This update affects Active Directory event ID 1644 processing. It now accepts events of greater than 64 KB in length. This change truncates Lightweight Directory Access Protocol (LDAP) queries contained within event 1644 to 20000 characters by default. You can configure the 20K value using the registry key “DEFAULT_DB_EXPENSIVE_SEARCH_FILTER_MAX_LOGGING_LENGTH_IN_CHARS.”
• This update addresses an issue that affects those who enable the “Smart Card is Required for Interactive Logon” account option. When RC4 is disabled, you cannot authenticate to Remote Desktop Services farms. The error message is, “An authentication error has occurred. The requested encryption type is not supported by the KDC.”
• This update addresses an issue that affects File Explorer. It might stop responding indefinitely. This occurs after you try to view the effective access permissions for files in File Explorer.

Windows 11 Servicing Stack Update – 22621.1916

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates. 

For a more in-depth list of Changes/Fixes in this Update, you can check this article from the Microsoft Blog.

For a more in-depth presentation of the New Update, you can watch the video below from the youtube channel.