I sat in on Microsoft’s Orchestrator, SMA, Azure Automation roadmap session by Eamon O’Reilly and he said Orchestrator is their tool for on premises traditional data centers, Azure Automation is the cloud product.
All their focus is on Azure Automation and moving this product forward. Once Azure Automation is where they want to get it they will look at how to move that on premise.
Not sure about a centralized listing of announcements, but the Robert Reynolds roadmap session “Azure Pack Roadmap and Ecosystem” included the Microsoft roadmap as well as demos from a handful of partners (including BlueStripe). Video is on Ch9 here: