The updated public facing roadmap is now available on the ColdFusion product page on adobe.com. Go to www.adobe.com/products/coldfusion, under the Datasheets and Whitepapers you will find the link for the product roadmap. Here is the direct link for the roadmap.
One of the points in the roadmap that needs a mention is the long term commitment that Adobe has for ColdFusion as a product. The version that Adobe is working on right now, ColdFusion Aether, will have extended support till 2025.