Apple today released the latest version of their development platform, Xcode 4.4, with Retina Display support, as well as full support for submitting OS X Mountain Lion apps to the Mac App Store. The update has been in testing with developers since February.
![Xcode](http://www.mactrast.com/wp-content/uploads/2011/10/Xcode.jpg)
The update weighs in at 1.46GB, and is available now on the Mac App Store.
What’s New in Version 4.4
This update runs on both OS X Lion and OS X Mountain Lion.
Included in Xcode 4.4:
• SDKs for OS X 10.8 Mountain Lion and iOS 5.1.
• Enhanced for the MacBook Pro with Retina display.
• Code completion persists your selections to give more accurate suggestions.
• Objective-C @synthesize command is generated by default when using properties.
• Objective-C adds literal syntax for numbers, arrays, dictionaries, and expressions when developing for OS X.
• Apple LLVM compiler supports additional C++11 features, including lambdas.
• Assistant editor tracks caller or callee for the current selection.
• New localization workflow can share a single base .xib file for multiple locales on OS X.
• Source control can commit individually selected changes.
• ARC migration tool converts both retain/release and garbage collected code.
• Fixes an issue where code completion could fail, requiring the user to delete derived data.
• Additional bug fixes and stability improvements.
Make sure to check out our full Mountain Lion coverage for all of the latest updates!