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Microsoft releases Windows 10 cumulative update KB3156421, build 10586.318

If you’re on the production build of Windows 10, then you’ll want to note the date. It’s officially Microsoft’s Update Tuesday, and the company has pushed out cumulative update KB3156421, which brings Windows 10 non-Insider machines to 10586.318.

This update includes quality improvements and security fixes. No new operating system features are being introduced in this update. Key changes include:

  • Improved reliability in a number of areas including Cortana, Bluetooth, Shell, Internet Explorer 11, Microsoft Edge, Miracast, and USB.
  • Fixed memory leak that occurs when opening a portable document format (PDF) form multiple times.
  • Fixed issues with text alignment for right to left languages in Internet Explorer 11 and Microsoft Edge.
  • Fixed issue that affected Bluetooth function when a PC resumes from sleep.
  • Fixed issue where user accounts weren’t locked out after a number of failed sign in attempts.
  • Fixed issue with revised daylight saving time.
  • Fixed issue that sometimes corrupts CompactFlash cards inserted into a card reader.
  • Fixed issue that caused recorded video to be lost when answering an incoming call on some phones.
  • Fixed issue that could result in unexpected battery drain while the phone screen is off.
  • Fixed additional security issues with kernel mode drivers, remote procedure calls, the Microsoft Graphics Component, Internet Explorer 11, Microsoft Edge, Windows Shell, Windows Journal, Virtual Secure Mode, Schannel, and Jscript.

There you have it, folks. Go to settings and hit that update button, and let us know in the comments if you come across anything particularly good or bad.

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Are you seeing the update yet, and if so, what are your thoughts?