This update includes quality improvements and security fixes. No new operating system features are being introduced in this update. Key changes include:
- Improved reliability of Windows Media Player, Internet Explorer 11, Windows Explorer, Miracast, and Windows kernel.
- Fixed issue with some people seeing a black screen instead of the lock screen when resuming from connected standby.
- Fixed issue with DirectAccess where the Disconnect button appears in some cases when the connection isn’t fully established.
- Fixed issue where local user accounts weren’t locked after a number of failed sign in attempts.
- Improved support for video playback in certain apps that didn’t render video correctly after resuming from sleep.
- Fixed issue with Windows Phone losing user authentication certificates after upgrading to Windows 10 Mobile in some cases.
- Improved support of the backup settings of apps on Windows 10 Mobile.
- Fixed issue where Microsoft Silverlight based apps wouldn’t install on Windows 10 Mobile after joining Azure Active Directory.
- Fixed additional issues in .NET, Windows Kernel, Windows Update, authentication, revised daylight saving time, support for PDF files, Bluetooth, Microsoft Edge, Internet Explorer 11, networking, and Wi-Fi connectivity.
- Security updates for Microsoft Edge, Internet Explorer 11, Kernel Mode Drivers, Windows Kernel, .NET Framework, Windows Secure Kernel Mode, and Microsoft Print Spooler.