Apple has released a new Xcode 4.1 Developer Preview for those running Mac OS X Lion. This is a pre-release version of Xcode 4.1 for both Mac and iOS development. This release requires Mac OS X Lion and includes iOS SDK 4.2. Continue to use Xcode 3.2.5 on a Snow Leopard partition if you plan to submit Mac or iOS apps to the App Store. You can check out the new Xcode 4.1 user interface and feature list here. Registered developers can download the release from developer.apple.com/mac. Interestingly, Apple is making the release available via a Mac App Store Redeem Code. Support f?r Mac OS X 10.7 Lion Xcode 4 h?? a br?n? n?w, single window interface f?r ??? major work?ows Interface Builder ?? now integrated within th? main Xcode IDE Assistant shows a paired editor w?th complementary ?les, e.g.: header ?r UI controller Version editor shows a live comparison through SCM history, using Git ?r Subversion Live Issues ??????? coding errors ?? ??? type, ?n? Fix-?t ??n ??rr??t th? mistake f?r ??? Tabs save a unique screen layout f?r each task, e.g. debugging, editing, designing LLVM compiler 2.0 includes full support f?r C, Objective-C, ?n? now C++ LLDB debugger ?? f??t?r, ?n? uses less memory th?n th? GDB debugging engine Instruments adds System Trace, ?n? n?w iOS instruments including OpenGL ES Stay tuned for more new and info on this topic by following us on Twitter and/or by subscribing to our RSS Feed. Authors:

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