Microsoft Pushes Windows 10 Build 19043.985 (21H1) to Beta & Release Preview Channels

Windows 10

Microsoft has released Windows 10 Build 19043.985 (21H1) to beta and release preview channels. However, the update will be available only for those Windows Insiders who are on 21H1 build. The latest security update includes quality improvements.

The Windows 10 Build 19043.985 (21H1) brings in security updates to Windows App Platform and Frameworks, Windows Kernel, Windows Media, Microsoft Scripting Engine, and the Windows Silicon Platform. You can refer to the new Security Update Guide website to know about the resolved security vulnerabilities.

Microsoft recently pushed Windows 10 Insider Preview Build 21376 to Dev Channel Windows Insiders with an updated Segoe UI font. The Segoe UI includes an optical axis to enable outlines to scale seamlessly from small to large display fixes. The font now has improved legibility at small sizes and enhanced outlines at display sizes. Segoe UI was designed to work at 9pt but limits expression at large sizes.

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The Windows 10 Insider Preview Build 21376 has introduced updates to enhance the drag and drop default cursor design in various scenarios. The Connect app icon has been updated to align with other recent iconography improvements. Microsoft has made tweaks to display symbols in the symbols section of the emoji panel. The Segoe UI historic font has been updated to add Bamum Unicode range support.

The Windows 10 Insider Preview Build 21376 has resolved several bugs related to News and interests. The update also added reliability and performance enhancements to explorer.exe while making use of a Remote Desktop Connection. The update resolved an issue resulting in slow performance of the File Explorer after upgrading to Build 21354 or higher. The issue pertaining to the unexpected stoppage of Windows Spotlight-related text has been resolved. The crash of the Storage sense page in settings has been resolved.

Anand Narayanaswamy is the editor-in-chief of Netans. He was recognized as a Microsoft Most Valuable Professional (MVP) for 9 years (2002 to 2011) and again as a Microsoft MVP in Surface under Windows and Devices in January 2024. He worked as a Chief Technical Editor with ASPAlliance and was part of ASPInsider program. Anand has published several articles and reviews related to various software and hardware products for various software and technology related websites. He is also active on social media and also participates as an Influencer for various brands. Anand can be reached at

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