jQuery Mobile, an excellent framework for mobile site development, has just released its alpha 3 version. There has been many improvements, with focus on snappier experience and more flexible usage.
One of the key features I am excited about is the new AJAX navigation which has been heavily revamped. I have not been able to test it out yet but I really hope this solves the problem with pages stacking on top of eachother when you clicked navigation links too fast in succession.
John Resig, lead developer of jQuery, writes that the development now continues to focus on a beta release before releasing a stable 1.0 release.