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W3C and the WHATWG signed an agreement to collaborate on a single version of HTML and DOM

May 28th, 2019

logos of W3C and WHATWG Today W3C and the WHATWG signed an agreement to collaborate on the development of a single version of the HTML and DOM specifications. The Memorandum of Understanding jointly published as the WHATWG/W3C Joint Working Mode gives the specifics of this collaboration. This is the culmination of a careful exploration of effective partnership mechanisms since December 2017 after the WHATWG adopted many shared features as their work-mode and an IPR policy.

The HTML Working Group which we will soon recharter will assist the W3C community in raising issues and proposing solutions for the HTML and DOM specifications, and bring WHATWG Review Drafts to Recommendation.

Motivated by the belief that having two distinct HTML and DOM specifications claiming to be normative is generally harmful for the community, and the mutual desire to bring the work back together, W3C and WHATWG agree to the following terms:

  • W3C and WHATWG work together on HTML and DOM, in the WHATWG repositories, to produce a Living Standard and Recommendation/Review Draft-snapshots
  • WHATWG maintains the HTML and DOM Living Standards
  • W3C facilitates community work directly in the WHATWG repositories (bridging communities, developing use cases, filing issues, writing tests, mediating issue resolution)
  • W3C stops independent publishing of a designated list of specifications related to HTML and DOM and instead will work to take WHATWG Review Drafts to W3C Recommendations

W3C remains committed to ensuring that HTML development continues to take into account the needs of the global community, and continues to improve in areas such as accessibility, internationalization and privacy while providing greater interoperability, performance and security.

You may read in W3C CEO Jeff Jaffe’s blog post W3C and WHATWG to work together to advance the open Web platform further contextual information and additional aspects of the collaboration.