Warning: these Roadmaps have not been updated recently.
We now have both a Master Roadmap, and associated voice stack Roadmaps to help you see where Mycroft's technology is headed. Your comments are warmly welcomed in the below documents:
Mycroft Marketplace Roadmap
Speech to Text (STT) Roadmap
Text to Speech (TTS) Roadmap
Wake Word Roadmap
Personal / Standalone Server Roadmap