Generics - AppCode 3.3 can parse and highlight generic parameters and lets you rename them easily.
Nullability Annotations - New nullability annotations in Objective-C, _Nonnull and _Nullable, are now supported in the AppCode editor.
Swift 2 Support - Includes parsing, completion and highlighting for error handling statements, cleanup actions and other features recently added in the Swift language.
Swift Debugger - Now supports rendering for collections and CoreFoundation types in Swift.
Test Runner - Run XCTest, Kiwi or Google Test in your project and get the results in a separate AppCode tool window.
Edit Code in the Commit Window - With AppCode 3.3 you can easily fix small issues in the commit dialog.