It seems like Apple is Developing a new Language that would surpass Objective-C with a modern alternative language, Jesper from waffle software believe in that and he also calls this language "xlang", and here's an important part of his post after the jump..

After watching the eminently early and freely available WWDC 2010 session videos, I think my scales have finally tipped. It is my belief that Apple is definitely working on a new language to surpass Objective-C as their intended, primary, publicly recommended programming language, which I will call “xlang”.