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RSS-DEV Working Group

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RSS-DEV Working Group was a private, non-commercial international developer group formed during a fork in the evolution of the RSS syndication format.

Last updated August 26, 2026

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Overview

RSS-DEV Working Group was a private, non-commercial collaboration of developers that emerged from a dispute over the direction of RSS specification development around 2000. Its work represented one branch of the early RSS ecosystem, distinct from the parallel specifications associated with UserLand Software. The group’s immediate historical background lay in the rapid evolution of RSS during the late 1990s. Netscape released RSS 0.90 around March 1999, using RSS to mean RDF Site Summary. That version used the Resource Description Framework and was intended to provide structured summaries of websites. Netscape followed it with RSS 0.91 in July 1999, an XML-based revision that changed the technical model and added support for document type definitions and more HTML-like functionality. When UserLand Software released its own RSS 0.91 implementation around June 2000, it departed from the Netscape version in important respects, including the absence of DTD support. A group of developers subsequently broke away from the UserLand-centered development effort. This group became the core of RSS-DEV Working Group and pursued a specification that returned to the RDF-based approach associated with Netscape’s earlier RSS 0.90. The group published RSS 1.0 on December 6, 2000. RSS 1.0 used RDF Site Summary as the meaning of the acronym and was developed in parallel with the UserLand-derived RSS line, making it incompatible with the other principal RSS versions of the period. The working group began with approximately twelve participants from three countries. It was chaired by Rael Dornfest, a researcher and developer associated with the Meerkat RSS-reader software and O’Reilly & Associates. Listed participants included Gabe Beged-Dov, Dan Brickley, Ian Davis, Leigh Dodds, Jonathan Eisenzopf, David Galbraith, R. V. Guha, Ken MacLeod, Eric Miller, Aaron Swartz, and Eric van der Vlist, alongside Dornfest. Their backgrounds spanned software development, web standards, publishing, information science, and online services. RSS-DEV Working Group is best understood as a standards and open-web technology initiative rather than a conventional consumer brand or commercial company. Its principal contribution was the development and publication of RSS 1.0, which preserved RDF’s extensibility and provided a modular framework for syndication metadata. The group’s work forms part of the fragmented early history of RSS, in which several incompatible specifications competed before the broader ecosystem converged around other implementations and usage patterns. Public reference material identifies the group through its historical role in the RSS fork; it does not provide evidence of a conventional headquarters, corporate ownership, commercial revenue, or a continuing operating business.

History

The RSS-DEV Working Group arose from the division that developed in the RSS community after the first competing implementations of the format appeared. Netscape introduced RSS 0.90 around March 1999. In that context, RSS meant RDF Site Summary, and the format used the Resource Description Framework to represent a structured summary of a website. Netscape released RSS 0.91 in July 1999 as an XML-based revision. Compared with RSS 0.90, the newer version moved away from RDF and incorporated support for DTDs and additional HTML-like functionality. A further split emerged when UserLand Software released its own RSS 0.91 implementation around June 2000. The UserLand version differed from the Netscape version, including in its lack of DTD support. Developers who disagreed with the direction of that work separated from the project and formed the core of RSS-DEV Working Group. The new group was private and non-commercial, and initially comprised about twelve people located in three countries. RSS-DEV pursued a deliberate return to the RDF-oriented model of RSS 0.90. It also reaffirmed RDF Site Summary as the expansion of the RSS acronym. The group’s principal specification, RSS 1.0, was released on December 6, 2000. It was produced in parallel with the UserLand-related RSS development line and was not compatible with the other major RSS versions then in circulation. This incompatibility reflected a genuine standards fork rather than a minor revision or branding difference. The group’s participants came from a range of web technology and information organizations. The membership list associated with the project includes Gabe Beged-Dov of JFinity Systems, Dan Brickley of ILRT, Rael Dornfest of O’Reilly & Associates, Ian Davis of Calaba, Leigh Dodds of xmlhack, Jonathan Eisenzopf of Whirlwind Interactive, David Galbraith of Moreover.com, R. V. Guha, Ken MacLeod, Eric Miller of the Online Computer Library Center, Aaron Swartz of The Info Network, and Eric van der Vlist of Dyomedea. Dornfest served as chair and was known for work on the Meerkat RSS-reader software. RSS-DEV Working Group’s historical importance comes from its role in the early standardization of web syndication. RSS 1.0 emphasized RDF and modularity at a time when publishers, software developers, and web standards practitioners were still determining how syndicated content should be represented. The group was not a conventional company: available reference material describes no commercial product portfolio, corporate parent, public listing, headquarters, or revenue model. Its identity was tied to a collaborative technical project and to the publication of a competing RSS specification. Later RSS development followed multiple paths, and the working group is principally documented as a historical participant in that early standards debate rather than as an ongoing operating organization.

  • 2000

    UserLand publishes its RSS 0.91 variant

    [1]

    UserLand Software released a separate RSS 0.91 implementation, helping trigger the development fork from which RSS-DEV Working Group emerged.

  • 2000

    RSS-DEV Working Group releases RSS 1.0

    [1]

    The group published RSS 1.0 on December 6, restoring RDF Site Summary as the acronym’s interpretation and establishing a specification independent of the UserLand branch.

  • 1999

    Netscape releases RSS 0.90

    [1]

    Netscape introduced RSS 0.90, using the name RDF Site Summary and an RDF-based technical model that later influenced RSS-DEV’s work.

  • 1999

    Netscape releases RSS 0.91

    [1]

    Netscape followed with an XML-based RSS 0.91 revision that differed substantially from the earlier RDF-oriented format.

Products and positioning

A non-commercial, developer-led standards initiative focused on RDF-based web syndication and the evolution of the RSS format.

  • Web syndication specification · 2000

    RSS 1.0

    RSS 1.0 was the RSS-DEV Working Group’s principal published specification. Released on December 6, 2000, it returned to the RDF-based model associated with Netscape’s RSS 0.90 and used RDF Site Summary as the meaning of RSS. It was developed in parallel with the UserLand-derived RSS line and was incompatible with the other principal RSS versions of the period. The specification represented the group’s preference for an extensible, RDF-centered approach to describing syndicated web content.

Brand decisions

  • 2000

    Return to an RDF-based RSS specificationGeneration change

    Background

    After UserLand Software released a distinct RSS 0.91 implementation, a group of developers separated from that development direction and organized the RSS-DEV Working Group.

    Action taken

    The group created and released RSS 1.0, restoring the RDF-based approach associated with RSS 0.90 and defining RSS as RDF Site Summary.

    Aftermath

    RSS 1.0 became a separate, incompatible branch of RSS development and remains the group’s central historical contribution.

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