What versions of RSS or Atom do you support?

We support all major versions of RSS and Atom. Specifically:

• RSS 0.90
• RSS 0.91 (Netscape)
• RSS 0.91 (Userland)
• RSS 0.92
• RSS 1.0
• RSS 2.0
• Atom 0.3
• Atom 1.0

Additionally, we support a number of namespaced elements out of the box:

• Dublin Core 1.0
• Dublin Core 1.1
• GeoRSS
• iTunes RSS 1.0 (mostly complete)
• Media RSS 1.1.1
• RSS 1.0 Content Module
• W3C WGS84 Basic Geo
• XML 1.0
• XHTML 1.0