Windows 10 build 10138

Windows 10 build 10138 is a build of Windows 10.

User Interface

 * Many icons throughout the system were updated.
 * File Explorer receives it's final icon.
 * Icons for the Display, File History, Fonts, Personalization, and Programs and Features applets within Control Panel were finalized. Most categories also received updated icons.
 * The start menu icon has become slightly brighter.
 * Updated the appearance of the taskbar expand button.
 * Changed the default wallpaper.
 * Window controls now expand to the width of the title bar.

Microsoft Edge

 * Renamed Project Spartan to Microsoft Edge.
 * Added a new dark theme to Microsoft Edge.

History
This build has potentially the most bizarre share method for any Windows build. On 28 June 2019, BetaWiki Discord user lucasm uploaded a 7z file with a password added called, containing an x64 Pro SKU ISO image of this build. The password then had to be guessed by other users of the BetaWiki Discord server. Windows 10 build 10143 was also shared via a similar 'game' two days later.