Readdle has released an update to its ReaddleDocs document viewer and file manager for the iPad adding iOS 4.2 support and several other new features. ReaddleDocs for iPad 1.7 includes multitasking support including Fast App switching and background file transfers as well as adding AirPrint capabilities. Other new features include synchronization with online storage services such as iDisk, Dropbox and Readdle Storage as well as the ability to setup and configure a Readdle Storage account directly in the app. The new version also makes several speed and stability improvements in the built-in PDF viewer and allows users to configure horizontal or vertical page scrolling and choose a default page zoom setting. ReaddleDocs for iPad is available from the App Store for $5.