Someone asked me where they were the other day, and I forgot to post the links here. In fairness, if you do not have an up to date browser they are not linked anywhere on the site (in one location) and I have asked for that to be changed if possible. At the moment, the Missions and Multiplayer feed is not working but will be fixed soon.
I am still waiting for the support.microsoft.com FS RSS feeds to work, the technology is there…. but it is not being used 