What our plan is, is to follow the dev style of more mature communities. We are going to always have what is called a long term support version. Right now 1.0.x is going the be the long term support branch. We will be stopping support for it around Aug 2019. We think it is very important to maintain support as long as possible, but also give a roadmap if possible as well. Likely 1.1.x will break some support for modules and themes. There are things that we want to change in those versions to