Emacs gets a new release frequently. 24.0 is about to come out (it's in pretest), and 23.4 was just released. Also, since it's a Lisp machine, it doesn't neces

Emacs gets a new release frequently. 24.0 is about to come out (it's in pretest), and 23.4 was just released. Also, since it's a Lisp machine, it doesn't necessarily need to have IDE features added - you can just write your own extension in Emacs Lisp.