While everyone of us are eagerly waiting for Windows Phone 8.1 update, Joe Belfiore today confirmed the timing of the release. Windows Phone 8.1 developer preview is not coming this week and he has provided us hint that it is coming early next week.
Yowza, you're going nuts 4 #WP8.1 dev preview. Everyone relax thru weekend, check in early next week. Enjoy Win8.1 update, write apps!
— joebelfiore (@joebelfiore) April 10, 2014