cantalupo555 As mentioned by Harvey, it's healthy for us to provide goals on what we want to accomplish for each quarter. However, as we're all volunteers with our own lives, own problems, etc. we can naturally only dedicate the time we can, which means there may be periods of time where we're able to accomplish more than anticipated, and periods of times where we don't.
Our Roadmap is also important to us because it provides a sense of direction for ourselves and our community. The community knows what is (and is not) a priority and when we want to address it.