Take the 2-minute tour ×  What's up with the NIB->XIB change
somewhere between XCode 3.0 to 3.1? Is there any difference with
this name change that I should know while I go through tutorials
that mention nothing but the .nib file?  share|improve this
question add comment  4 Answers  XIB's are very cool. they are
basically an un-compiled NIB (in XML format if memory serves me)
during the build process they are converted to NIB's to be
deployed in the final product.  share|improve this answer Is
that so it will work nicely with a repository system like
git/svn? –  Jackson Oct 31 '11 at 4:34 @jackson: yes... –  kent
Dec 12 '11 at 14:04 add comment  The other answers and link
explain what XIB files are, but not about the specific change.
The new flat-file .xib format was introduced with Leopard (and
Xcode 3.0) in 2007, but I believe that .nib remained the
default, primarily for compatibility with older versions of
Xcode and OS X. With Xcode 3.1, there was a shift to .xib as the
preferred format. However, most d