If we can use symbolically term 'Dying' for something which constantly loosing usage over the years, constantly lowering users, new product base, then we can openly say Ruby On Rails is far from his teenage period. Its definitely in his senior phase. It more looks like a healthy senior who spend lots of time in a past in sports activities like dancing or something and now in his senior ages he is not so young and so active but it still has some nice moves and charms like in beginning.