The Omni Group has released a significant update to OmniGraffle, its flagship diagramming app for the iPad. OmniGraffle 1.1 adds support for Multi-Touch gestures within the app such as the ability to select multiple objects by tapping and holding while selecting, two-finger rotation of objects and invoking temporary smart alignment guides while moving objects. The update also delivers improvements in performance, text editing and file handling. Several stability issues have also been addressed in this latest update. OmniGraffle 1.1 is available from the App Store for $50.