1-2 sentence summary of what this document is about and why we should work on it.
What is the motivation for these changes? What problems will this solve? Include graphs, metrics, etc. if relevant.
What are the outcomes that will result from these changes? How will we evaluate success for the proposed changes?
To narrow the scope of what we're working on, outline what this proposal will not accomplish.
Describe the solution to the problems outlined above. Include enough detail to allow for productive discussion and comments from readers.
Highlight risks so your reviewers can direct their attention here.