What this means is that that the phone makers; HTC, generic Samsung, link Nokia & LG can start to test the operating system on their future devices and it also gives the networks a chance to give the new operating system a test before they start shipping handsets.
Version 7.5 of Windows Phone is being touted as a proper version 1, a grown-up version that finally brings multi-tasking to the platform as well as some interface improvements and integrated services.
The new OS is expected to be released in Japan first, with a Fujitisu handset getting the Mango treatment first.
Nokia will unveil its first Windows Phone in October, with HTC Omega thought to be ready soon too. If you already have a Windows Phone then fear not as your handset will get the Mango upgrade in the Autumn.
Group tiles are one of the most interesting new features: you can set up an individual icon which allows you to group message people you choose, as well as see the albums, updates and conversations of each individual included. Conversations threads meanwhile show chats continuing across platforms, moving from IM to Facebook and SMS in chronological order.
On the Office front, Microsoft has now also integrated its SkyDrive service, so your cloud storage will appear as a drive to browse through files on. Windows Phone Mango will also come packing the all-new IE9 browser, a threads feature for aggregating messaging and multitasking smarts.
Are you looking forward to the Mango update ? Let us know below.