What’s new in Windows 10 update KB3210721 build 10586.753

A new cumulative update KB3210721 for Windows 10 1511 users released. You will see a Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3210721) in your updates. The latest cumulative update KB3210721 for Windows 10 1511 (Threshold 2) will push the build number slightly from the last build 10586.713 to PC build 10586.753 and Mobile build 10.0.10586.753.

Fixed in Windows 10 Cumulative Update KB3210721 build 10586.753

  • Addressed security issues related to Microsoft Edge.

Issues with build 10586.753

Users may experience delayed or clipped screens while running 3D rendering apps (such as games) on systems with more than one monitor. To work around this issue please consider the following options:
  • Running the application in Windows mode (not full screen)
  • Starting the application with only one monitor connected

Microsoft also released a new cumulative update for Windows 10 1607 Anniversary Update users. Windows 10 Creators Update build 15002 is now available for fast ring insider members, which brings many new features for insiders. Also, Windows 10 build 14986 ISOs are now available for download. You can download ISO from here.

New features in Windows 10 PC build 15002
What’s in Mobile build 10.0.14977.1000