I think the first level-cap raise will happen in 5 years after we've merited all our classes. We've just passed the 2nd expansion and still debating how to beat ???? '????.
SE is going to say it isn't beatable but there's a trick which would cause a diminutional rift in the game and make it implode. In 2018, the first level-cap raise will be to 100 and we will be exploring the moon.