preview update

Winsage
December 17, 2025
Microsoft released a cumulative update for Windows 11, designated as KB5072033, which included a change to the AppX Deployment Service (Appxsvc), setting it to automatic startup to improve reliability. This change was not initially mentioned in the release notes but was later added, noting that it aims to enhance reliability in isolated scenarios. Users have expressed concerns about high resource consumption linked to this service, particularly on lower-spec machines. The update also introduced a standardized format for Windows Update titles to improve readability, announced that there will be no non-security preview update in the latter half of December 2025, and noted that Secure Boot certificates for most Windows devices will expire starting in June 2026. Additionally, Windows Updates will not include updates for Microsoft Store applications, with enterprise users advised to consult Configuration Manager for updates.
Winsage
December 4, 2025
Windows 11 has released a preview update, KB5070311, aimed at improving dark mode, but it has introduced a visual glitch causing a white flash when opening folders in File Explorer. This issue occurs during various actions, such as navigating tabs and toggling the Details pane. Microsoft has acknowledged the problem, noting that users may experience a brief blank white screen before files and folders load. The update was intended to enhance dark mode consistency, but the glitch disrupts the user experience, particularly in low-light environments. The next cumulative update is scheduled for December 9, 2023.
Winsage
December 2, 2025
Microsoft has acknowledged a glitch with the KB5070311 preview update that causes bright white flashes when launching File Explorer in dark mode on Windows 11. The issue occurs not only when opening File Explorer but also during actions like navigating to Home or Gallery, creating new tabs, toggling the Details pane, and selecting 'More details' while copying files. As a temporary solution, Microsoft recommends disabling dark mode. The KB5070311 update also resolved a bug that caused the explorer.exe process and taskbar to become unresponsive after certain notifications and addressed search failures in File Explorer on some SMB shares. Additionally, Microsoft had previously confirmed a critical bug affecting File Explorer and the Start Menu on Windows 11 24H2 devices with cumulative updates since July 2025.
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