This year, some major industry players have announced their intent to end their support of the ONIX 2.1 version leaving everyone asking the same quesion.
BookNet Canada is a non-profit organization that develops technology, standards, and education to serve the Canadian book industry. Founded in 2002 to address systemic challenges in the industry, BookNet Canada supports publishing companies, booksellers, wholesalers, distributors, sales agents, industry associations, literary agents, media, and libraries across the country.