Windows 10 build 18290 (rs prerelease)

Windows 10 build 18290 is the fourteenth Insider Preview build of Windows 10 May 2019 Update. This build was released to Windows Insiders in the Fast Ring on 28 November 2018.

New features

 * The timebomb has been extended to 2019-07-05
 * Icons have been added to the shutdown portion of the Start Menu
 * An option to manually synchronize your clock with the time server has been added
 * You can see which app uses your microphone now by hovering over the microphone notification icon
 * Cortana and Search landing page has been updated
 * Windows Update will now display an orange indicator in the notification area when a reboot is required
 * Other general changes, improvements, and fixes

Other Updates for Insiders

 * Mail & Calendar Version 11001.20106 has been announced alongside this build.