Microsoft is rolling out new cumulative updates for all versions of Windows 10, including Windows 10 Mobile. The last cumulative update was only sent to PCs, however, you can now update your Windows 10 Mobile devices too. Windows 10 cumulative update build 14393.321 brings no new features. The latest update is a maintenance update, bringing some feature improvements, security updates, and performance enhancements. It does bring fixes to battery drain problems, among others.
The cumulative updates are out for all the different versions of Windows 10 released since July 2015. These include support builds KB3192440 for RTM, KB3192441 for 1511 (aka November Update) and KB3194798 for 1607 (aka Anniversary Update).
You can update your Windows 10 PC and Mobile devices to the latest cumulative updates from Settings > Windows Update. If your Windows 10 Mobile is running build 10586 from the Insider Preview and is not supported for the Anniversary Update, you will not see today's cumulative updates as these devices are no longer supported.
Whats's new in Windows 10 cumulative update 14393.321
- Improved reliability of Bluetooth and storage file system.
- Addressed issue causing printer drivers to not install correctly after installing security update KB317005.
- Addressed issue causing sign-in errors if a password is entered incorrectly or a new password doesn’t meet password complexity requirements after installing security update KB3167679.
- We have addressed issue that required users to log out and log back in before using the application they installed using the Windows installer (MSI).
- Improved support for networks by adding new entries to the Access Point Name (APN) database.
- Addressed issue that was causing excessive battery drain on Windows 10 Mobile when connected to Wi-Fi.
- Security updates to Microsoft Edge, Internet Explorer 11, Windows registry, and diagnostics hub.
- Addressed issue in which setting up both fingerprint and iris recognition sometimes causes the sign-in to fail on Windows 10 Mobile.
- We have addressed issue that was causing high CPU usage on Windows 10 Mobile.
- Addressed additional issues with multimedia playback, revised daylight saving time, authentication, Internet Explorer 11, and Windows Shell.
What's new in Windows 10 cumulative update 10586.633 for version 1511
- Improved reliability of Internet Explorer 11, kernel mode drivers, downloading apps from the Store, and Windows graphics device interface (GDI).
- Addressed issue causing printer drivers to not install correctly after installing security update KB317005.
- We have addressed issue causing sign-in errors if a password is entered incorrectly or a new password doesn’t meet password complexity requirements after installing security update KB3167679.
- Addressed issue that causes Internet Explorer 11 to fail sometimes when using a user-defined style sheet.
- We have addressed issue where scrollbar position is reset after display property is set to none in Internet Explorer 11.
- Addressed issue where a script in a nested frameset may not run correctly in Microsoft Edge.
- Improved support for websites by updating the HTTP Strict Transport Security (HSTS) preload list.
- Improved the upload of telemetry and download of telemetry settings in an authenticated proxy environment and support for Azure Active Directory (AAD).
- Addressed additional issues with revised daylight saving time, Microsoft Edge, Internet Explorer 11, and WebDAV.
- Security updates to kernel-mode drivers, Internet Explorer 11, Microsoft Graphics Component, Windows registry, and diagnostic hub.
