User:Frankie1969/Sandbox

GC ObjC
Garbage collection for the Objective-C runtime was also revealed for Leopard as a feature of Objective-C 2.0. Xcode 3.0 will support the updated language and was even rewritten with it. This feature had been suspected since Xcode 2.2.

LLVM
Leopard's OpenGL stack will use LLVM to increase the speed of its vertex processing. Usage of LLVM in other parts of the OS has not been announced.

and this set of Ginsu knives
Mac OS X v10.5 will include the Ruby on Rails web application framework. Apple has also integrated DTrace from Sun's OpenSolaris. DTrace provides tools that users, administrators and developers can use to tune the performance of the operating system and the applications that run on it.