Microsoft has released the last Windows 10 optional update KB5005624 (Build 18363.1830) for version 1909 and version 1809. The update fixes many issues including performance, Taskbar, Image editing, News & Interests and many other issues. This update will be the last C release update for Windows 10 version 1909.
IMPORTANT: Starting in October 2021, there will no longer be optional, non-security releases (known as “C” releases) for Windows 10, version 1909. Only cumulative monthly security updates (known as the “B” or Update Tuesday release) will continue for Windows 10, version 1909.
Microsoft has also promised to release this update for other Windows 10 versions 21H1, 20H2, and 2004 soon.
The September 2021 monthly “C” release preview updates are now available for Windows 10, version 1909 and Windows 10, version 1809. The preview update for Windows 10, version 21H1, Windows 10, version 20H2, and Windows 10, version 2004 will be available in the near term.
Check the changelog provided by Microsoft below. You can download this update for manual installation by clicking here.
- Updates an issue that causes the system time to be incorrect by one hour after a daylight saving time (DST) change.
- Updates an issue with resizing images that might cause flickering and residual line artifacts.
- Updates an issue that causes blurry News and interests icons when you use certain screen resolutions.
- Updates an issue that prevents you from providing input to apps when the taskbar is not at the bottom of the screen.
- Updates an issue that causes News and interests to appear when you right-click the taskbar even when you have turned off News and interests on your device.
Improvements and fixes
This non-security update includes quality improvements. Key changes include:
- Addresses an issue that causes the system time to be incorrect by one hour after a daylight saving time (DST) change.
- Provides administrators the option to reset the zoom to the default for HTML dialogs in Microsoft Edge Internet Explorer mode.
- Addresses an issue with Enterprise Mode Site List redirection from Internet Explorer 11 to Microsoft Edge. In certain circumstances, the redirection opens a site in multiple tabs in Microsoft Edge.
- Addresses an issue that fails to keep the NumLock state after a Fast Startup restart.
- Addresses an issue with resizing images that might cause flickering and residual line artifacts.
- Addresses an issue that always reports the update build revision (UBR) as zero (0) on a device during enrollment to mobile device management (MDM) service.
- Removes the limitation of 25 maximum Traffic Selectors in the Windows native Internet Key Exchange (IKE) client and server.
- Addresses an issue that causes a memory leak in lsass.exe when the pTokenPrivileges buffer is not released.
- Addresses an issue with a non-paged pool (NPP) leak from the UxSF pool tag. This leak occurs when lsass.exe stops processing asynchronous Security Support Provider Interface (SSPI) calls.
- Addresses an issue that prevents the xhunter1.sys driver from loading. As a result, some games cannot run when you enable Hypervisor-Protected Code Integrity (HVCI).
- Addresses an issue that causes Windows to stop working if you deploy a Code Integrity policy without user mode rules.
- Improves the performance of MsSense.exe in environments with User Datagram Protocol (UDP) applications that require high amounts of bandwidth.
- Addresses an input method editor (IME) mode instability in the RemoteApp scenario. You must install this update on the Remote Desktop server and Remote Desktop client.
- Addresses an issue that causes blurry News and interests icons when you use certain screen resolutions.
- Addresses a paged pool memory leak of the registry keys for the Virtual Desktop ID that occurs in explorer.exe.
- Addresses an issue that causes LogonUI.exe to stop working because Direct Manipulation fails to start.
- Addresses an issue that causes apps to lose focus when the taskbar is not at the bottom of the screen.
- Addresses an issue that causes News and interests to appear in the context menu even when you have disabled it on a device.
- Addresses an issue that causes the LsaLookupSids() function to fail. This occurs when there are security identifiers (SID) for users that no longer exist in a group that contains cross-domain trusted users.
- Implements a Group Policy for the registry key below:
Key: HKLM\Software\Policies\Microsoft\Windows NT\Printers\PointAndPrint