Alec Saunders, RIM VP of developer relations, just announced native BlackBerry PlayBook OS support for the Qt developer framework at DevCon Europe. Alec was joined on stage by Nokia's Lars Knoll, Qt Chief Architect. Qt is the popular cross-platform application framework that was previously the focus of Nokia's worldwide developer corps. However, when Nokia abandoned its Symbian / MeeGo smartphone strategy for Windows Phone it also abandoned Qt in the process — Microsoft's free Windows Phone Developer Tools are built around Visual Studio, Expression, Silverlight and the XNA Framework. Developers looking to take advantage of the PlayBook 2.0 update scheduled for release this month can download the binaries and SDK now.