A new charter for the Web Content Accessibility Guidelines (WCAG) Working Group (WG) was approved by W3C after review from the W3C Member organizations. This will allow for the exploration to provide guidelines beyond WCAG 2.0 for the first time since WCAG 2.0 was finalized in 2008.
The continuing development and evolution of technologies drive the need for new guidance. The WCAG Working Group has started developing a framework for WCAG 2.0 extensions. These additional documents will be separate and increase the coverage on particular accessibility needs. Organizations that have policies built around WCAG 2.0 alone would not be impacted, however, authors and policy-makers would have the option to meet the guidelines in one or more of the extensions.
Read more on the Extensions to WCAG 2.0