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Just what is in a Windows 10 update? You can now find out!

By Bryan Chan & Ng Chong Seng - on 12 Feb 2016, 9:35am

Just what is in a Windows 10 update? You can now find out!

After leaving its users in the dark for months regarding what exactly are in its Windows 10 updates, Microsoft has created a dedicated Windows 10 update history page to provide more details.


In response to this feedback, we’re providing more details about the Windows 10 updates we deliver through Windows Update. You’ll see a summary of important product developments included in each update, with links to more details. This page will be regularly refreshed, as new updates are released.

So here’s what it says about the latest February 9, 2016 - KB3135173 update, which brings the system to 10586.104:

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

  • Fixed issues with authentication, update installation, and operating system installation.
  • Fixed issue with Microsoft Edge browser caching visited URLs while using InPrivate browsing.
  • Fixed issue that didn’t allow simultaneous install of apps from the Windows Store and updates from Windows Update.
  • Fixed issue that delayed the availability of songs added to the Groove Music app in Windows 10 Mobile.
  • Improved security in the Windows kernel.
  • Fixed security issues that could allow remote code execution when malware is run on a target system.
  • Fixed security issues in Microsoft Edge and Internet Explorer 11 that could allow code from a malicious website to be installed and run on a device.
  • Fixed additional issues with the Windows UX, Windows 10 Mobile, Internet Explorer 11, Microsoft Edge, and taskbar.
  • Fixed additional security issues with .NET Framework, Windows Journal, Active Directory Federation Services, NPS Radius Server, kernel-mode drivers, and WebDAV.

For more info about the security fixes in this update and a complete list of affected files, see KB3135173."

There’s also another update, KB3135174, for users still on the original RTM version.

A new Release Preview Ring for testers

On another note, especially for Windows 10 testers, Microsoft has also announced a new Release Preview Ring for PC and mobile. This is for testers (Microsoft calls them Insiders) who enjoy getting early access to updates for the Current Branch, Microsoft applications, and drivers, with minimal risk to their devices, but still want to provide feedback to the team.

For Insiders in the Fast ring (i.e., those who want to be first to get access to builds and don’t mind the associated risks), know that Build 10586.107 is now available.

Source: Microsoft (1, 2).