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Microsoft releases Windows 10 build 10586.420 for both PC and Mobile

It's Patch Tuesday, and you know what that means. It's time for cumulative updates. Today's update is for both Windows 10 PCs and phones, and it brings the build number to 10586.420.

The update is available to both the Production ring and the Release Preview ring, continuing an interesting trend. Since the Release Preview ring was made available back in February, not a single cumulative update has been made available to the ring and later to the Production ring.

For example, builds 10586.242 and 10586.338 were offered up to Release Preview, but they never made it to Production. The updates that do make it to Production show up in the RP ring at the exact same time.

Here's what's new in Windows 10 for PCs build 10586.420:

  • Improved reliability of Internet Explorer 11, Microsoft Edge, Cortana, audio playback, audio playback in Groove Music app, Maps app, Miracast, and Windows Explorer.

  • Fixed issue with balloon tip notifications always appearing in the upper left side of the screen.

  • Fixed issue that caused VPN to not work properly when switching between different network interfaces (for example, switching between Wi-Fi and cellular).

  • Improved Narrator’s ability to read bulleted lists, hyperlinks, and image information.

  • Fixed issue in location that caused navigation apps to lag behind user’s actual location.

  • Improved performance of loading webpages in Internet Explorer 11 when roaming user profiles are used.

  • Fixed issue that caused phones to stop ringing from an incoming call, if interrupted by an SMS.

  • Fixed issue that caused some phones to be unable to re-add a primary Microsoft account without resetting after upgrading from Windows Phone 8.1.

  • Fixed additional issues with Microsoft Edge, Internet Explorer 11, Bluetooth, Cortana, Wi-Fi, Windows Camera app, revised daylight saving time, USB, TPM, Graphics, Group Policy, downloading music or movies purchased through the Windows Store, Network Diagnostics and Windows Explorer.

  • Fixed security issues with Internet Explorer 11, Microsoft Edge, Server Message Block (SMB) Server, Microsoft Graphics Component, Group Policy, DNS Server, Windows Diagnostic Hub, Kernel mode drivers, Microsoft Windows PDF, Windows Structured Query, Adobe Flash Player, JScript and VBScript, and Web Proxy Autodiscovery Protocol (WPAD).

Sadly, there doesn't seem to be any release notes for the Windows 10 Mobile build. This isn't entirely surprising, as Microsoft's Windows 10 Mobile update history page says exactly nothing about the OS itself, and even less about the history of its updates.

Source: Windows 10 Update History

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