RSS 2.0 feed support is available as of MarkdownMaster CMS 5.0.3 for all content types and links in the default blog and wiki themes have been added.
To access these feeds, append .rss to your content type.
For example if your site has reviews, pages, and posts as types:
yoursite.tld/reviews.rss -> RSS feed for reviewsyoursite.tld/pages.rss -> RSS feed for pagesyoursite.tld/posts.rss -> RSS feed for posts