Windows 11 KB5079391 Preview Adds Smart App Control
🛡️ Microsoft released the KB5079391 preview cumulative update for Windows 11 24H2 and 25H2, delivering 29 non-security changes and optional fixes. The update lets administrators and users toggle Smart App Control on or off without reinstalling the OS via Settings > Windows Security > App & Browser Control. It also introduces display reliability enhancements, including support for monitors reporting refresh rates above 1000 Hz, native USB4 monitor connections, and improved HDR behavior. Installers can apply the preview via Windows Update or the Microsoft Update Catalog; installation is optional unless automatic preview updates are enabled.
