Can you provide some more information about what information you would want included in the RSS feed? What types of updates on the content are you looking to be informed about?
In my case I would love to be able to follow any item created by an user, but it would be also great to be able to do the same thing within a group or organization. Updated, deprecations, etc would be nice but not that important.
This way I would be able to customize a timeline using an RSS Reader or receive email notifications using any service like IFTTT, Zapier, ...