While there is Trello board used to keep track of new and upcoming changes/features, it's a little hard for an outsider to understand where the project is heading.
Introducing the Roadmap!
Now you can have a better idea of what is being worked on from a milestone point of view. I have avoided putting deadlines on these milestones for the time being, so treat these as a "done when it's done". Having said that, I'd like to get these first 7 milestones achieved by the year's out.