Windows 10 leaked build shows work on Edge browser and messaging

Microsoft continues to hone Windows 10, of course, and a new preview build of the operating system has been leaked showing a number of interesting changes.As Betanews reports, the leaked build 10558 of Windows 10 has some handy little additions, one of which is tweaks to the context menus to make them slightly smaller and neater.The Edge browser, which is something of a constant work in progress since the launch of Microsoft's desktop OS, has also witnessed the introduction of previews of tabs.