The RSS Blog

Q: What does the advisory board actually do?
A: We [cut] make minor changes to the spec per the roadmap [cut].

http://blogs.law.harvard.edu/tech/advisoryBoard#whatDoesTheAdvisoryBoardActuallyDo

Roadmap
[cut] We anticipate possible 2.0.2 or 2.0.3 versions, etc. only for the purpose of clarifying the specification, not for adding new features to the format. [cut]

https://www.rssboard.org/rss-specification#roadmap