Releasing Windows 10 Insider Preview Build 19041.21 to the Slow ring

Hello Windows Insiders, today we’re releasing 20H1 Build 19041.21 (KB4535550) to Windows Insiders in the Slow ring. This Cumulative Update includes quality improvements. Key changes include:

• Security updates to Windows App Platform and Frameworks, Windows Input and Composition, Windows Graphics, Microsoft Scripting Engine, .NET Framework, Windows Cryptography, Windows Subsystem for Linux, Windows Peripherals, Windows Storage and Filesystems, and Windows Server.

For more information about the resolved security vulnerabilities, please refer to the Security Update Guide .

Thanks,

BLB