KB5077239: Overview with user sentiment and feedback

Overview

This non-security update for Windows 11, version 26H1 (KB5077239), includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. To learn more about differences between security updates, optional non-security preview updates, Out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows software updates. To view the latest updates about this release, visit the Windows release health dashboard or the update history page for Windows 11, version 26H1.

General Purpose

This update introduces two new PowerShell features to help you manage the ongoing Secure Boot key rollout. The Get-SecureBootUEFI cmdlet now supports the -Decoded option, which displays Secure Boot keys and certificates in a readable format. The Get-SecureBootSVN cmdlet lets you check the Secure Boot Security Version Number (SVN) of your device's UEFI firmware and bootloader, and report whether the device follows the latest Secure Boot policy.

This update also includes a variety of new features and improvements for Copilot+ PCs and general Windows 11 PCs, such as expanded language support for the Settings Agent, streamlined context menus, enhanced camera capabilities, and improvements to File Explorer, the taskbar, and more.

General Sentiment

The general sentiment towards this update is positive, as it includes a range of new features and improvements that enhance the user experience on Windows 11 PCs. The new Secure Boot management tools, AI-powered camera enhancements, and File Explorer refinements are particularly well-received. However, some users may be cautious about installing the update due to potential compatibility issues or disruptions, especially on enterprise machines. Overall, the update seems to offer a good balance of new functionality and stability improvements.

Known Issues

• None reported

Disclaimer: We take measures to ensure that AI-generated content is of the highest possible quality, but we cannot guarantee its accuracy and recommend that users do their own independent research. Generated on 2026-03-20 01:00 AM

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