There's been some worry that Microsoft's Windows team may be waiting until the "Blue" upgrade to Windows 8 and Windows RT to refresh the Microsoft-developed, first-party apps that are bundled with the operating system.
I'm hearing from my contacts that this is not the case. In fact, updates to the Windows Mail, Calendar, Music, and Games apps for Windows 8 and Windows RT may be available to users as soon as this month.
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Microsoft won't wait for 'Blue' to update Windows 8 core apps | Business Tech - CNET News