xcode4 - New iOS project, free hosted repository: Xcode 4 or Xcode 3.2? -

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i wonder whether should start development of new ios project in xcode 4 or 3.2 - on 1 hand, know 3.2 (a little), there lots of info out there, , it's stable , proven. on other hand, xcode 4 brings improvements well. newer previews of xcode 4 ready prime time, or still buggy?

i'm interested in issues (and recommendations of) externally hosted repositories, not happy how xcode 3.2 played subversion repository in last project.

which 1 choose, , (preferably free , externally hosted) repository match?

today (3rd feb 2011) apple released gm-seed of xcode4. it's ready usage , can compile apps , release app-store. if new xcode, suggest using xcode4.

why?

  1. the new compiler has lot of optimizations done. compiler (as far can see results) generates faster code. it's big fun!

  2. the new userinterface more reliable. makes development lot faster!

    2a. interface builder integrated. can "drag , drop" userinterface item using "ctrl"-key code , xcode creates source you! accelerates creation of userinterfaces lot!

  3. git support has been added sourcecontrol, makes development in teams easier

  4. the new llvm compiler shows errors while coding. , displays errors, xcode3 never mentioned

in xcode4 apple changed lot! if start xcode3, have new learning curve xcode 4. newbs suggest: download xcode4 goldmaster , startet xcode4!


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