RSS Specifications

RSS 2.0
This document includes the RSS 2.0 specification as well as all additions starting with the basic specification of RSS 0.91

RSS 1.0
The specification released 6 Dec 2000

RSS 0.93
Though discussed, this version has never been released [20.04.2001]

RSS 0.92
The 0.91 version plus some optional elements, developed by Dave Winer at UserLand. [25.11.2000]

RSS 0.91
This version was developed at Netscape. The specification was written by Dan Libby [10.07.1999]

RSS 0.90
This version was developed at Netscape for using with my.netscape.com, which also supported scriptingNews [15.03.99]

scriptingNews
This format was developed by Dave Winer at UserLand [27.11.1997]