Along with pushing Windows 10 Mobile build 10586.218 to Windows Insiders on the Release Preview ring, Microsoft is also taking advantage of Patch Tuesday to send some new bits to Windows 10 PCs outside of the Windows Insider program. Today's updates bring KB3147458 and KB3147461 to PCs, bringing them as well to build 10586.218.
— John Wink [MSFT] (@johnwinkmsft) April 12, 2016
We don't have a changelog for these updates yet, but we'll let you know as soon as we learn more. Let us know in the comments if you've noticed anything new.
Update: Microsoft released the changelog for KB3147458, and here it is:
This update includes quality improvements and security fixes. No new operating system features are being introduced in this update. Key changes include:
Improved reliability for Internet Explorer 11, .NET Framework, wireless LAN, Microsoft Edge, Windows Update, logon, Bluetooth, network connectivity, map apps, video playback, Cortana, USB, Windows Explorer, and Narrator.
Fixed issue with connectivity of USB devices until OS restart.
Improved discoverability of printers when a device resumes from sleep.
Fixed issues with lock screen.
Support for visual voicemail on dual SIM phones.
Fixed issue with audio playback using Groove music and other music apps on a phone.
Fixed issue with revised daylight savings time.
Fixed additional issues with shutdown delays, Narrator, Cortana, roaming data usage, buying apps in the Store, video playback, facial recognition, Bluetooth pairing, Microsoft Edge, logon, Internet Explorer 11, Live Tile updates, .NET Framework, and Microsoft Installer (MSI).
Improved security for CSRSS to address security feature bypass.
Fixed additional security issues with Security Account Manager Remote Protocol, HTTP.sys, secondary logon, Microsoft Graphics component, .NET Framework, CSRSS, Microsoft Edge, and Internet Explorer 11.