Here’s the change log for Windows 10 Release Preview build 10586.456

Microsoft released yesterday the Windows 10 preview build 10586.456 on PCs and phones for Insiders on the Release Preview Ring, but the company didn’t share a changelog immediately. A few hours later, the full changelog was published on the Feedback Hub app but Microsoft software engineer Jen Gentleman also shared it on Twitter today:

As this new build is another cumulative update for the current branch of Windows 10, there are no new features but a batch of bug fixes and improvements on both PCs and phones. Please find the full changelog below:

Today we have released Windows 10 Insider Preview Build 10586.456 (KB3170411) to Windows Insiders in the Release Preview ring. This update includes quality improvements. No new operating system features are being introduced in this update.

Key changes include:

  • Improved reliability in a number of areas including Windows Media player, Internet Explorer 11, Windows Explorer, Miracast, and Windows kernel.
  • Fixed an issue with some users noticing a black screen instead of the lock screen, when resuming from connected standby.
  • Fixed issue where the DirectAccess Disconnect button appears sometimes even when the connection is not fully established.
  • Fixed issue where local user accounts weren’t locked out after a number of failed sign in attempts.
  • Improved support for playback of video in certain applications that did not render the video while the audio continued after resuming from sleep.
  • Fixed issue where the Windows Phone sometimes loses user authentication certificates after upgrading to Windows 10 Mobile.
  • Improved support to honor the data backup settings of applications on Windows 10 Mobile.
  • Fixed issue where Microsoft Silverlight based application won’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, Networking and Wi-Fi connectivity.

You can download this new build right now if you’re an Insider on the Release Preview Ring, while Windows 10 users on production builds should get it in the next few weeks. If you already installed it on your Windows 10 device, let us know in the comments if you’re noticing some improvements.

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