Here is the public facing roadmap for the upcoming two major versions of ColdFusion. The document lists out only the high level directions that are being considered for the future releases.
ColdFusion Product Roadmap (2015)
Here is the disclaimer about this public facing roadmap.
The intended future features or directions described in this document are under consideration by Adobe Systems and are not commitments for future products, technologies, or services. The roadmap is subject to change at Adobe Systems’ sole discretion and Adobe Systems does not guarantee the features or release dates.