the Atom 1.0 specification. If you have a feed you want to upgrade, hop over to Rakaz: Moving from Atom 0.3 to 1.0.
There is a ‘but’: As the format isn’t approved yet, most feed readers don’t support it. Currently I’m having problems with Sage, and I have casualty reports on Bloglines. Let’s hope they catch on soon. In the meantime; Please update your feeds for my site :-)