MacMinute reports that Apple has released Xcode 1.1, an update to its set of powerful developer tools for Mac OS X. Version 1.1 provides overall stability and performance enhancements to Xcode IDE, as well as improvements to debugging, workflow, the Xcode build system and CodeSense. Apple recommends that all Xcode users install this update. Xcode 1.1 is available via the Software Update preference pane. Apple also released today iTunes 4.2 and QuickTime 6.5.