Windows Phone developers are getting one step closer to the fresh, fruity tang of Mango's RTM build with a newly released SDK update. The one month-in-the-making "Beta 2 Refresh" tweaks the previously issued Windows Phone SDK 7.1 and is available now for download, packing an improved profiler, the ability to lock application platform APIs, an emulator-based screen cap feature for your apps and a "peek at the Marketplace Test Kit." Microsoft's also thrown devs an extra bonus and will be pushing an OS update, Build 7712, to manually upgraded
