Microsoft released the two updates KB4134661 and KB4134660 for Windows 10 version 1703 and Windows 10 version 1709 yesterday. The two updates have the same description: This Windows update provides a notification of an improved privacy experience on upgrade to the Windows 10 April 2018 release. Microsoft provides no further explanation on the update. The updates have a size of about 230 Kilobytes only, and are distributed through Windows Update to all machines running Windows 10 version 1703 or 1709. Full reading: https://www.ghacks.net/2018/05/16/microsoft-releases-kb4134661-and-kb4134660-for-windows-10/
