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The experience of companies who have done the development to make a transition from 2.1 to 3.0 report that it's easier to do than they expected but it's sad and undeniable fact that many print publishers and retailers in North America have not made the transition yet. This means that anyone starting out has to at least consider supporting both ONIX 2.1 and 3.0.
In summary, the key features of ONIX 3.0 are:
- Removal of ‘deprecated’ elements
- Digital products (ebooks and more)
- Multiple-item products, sets and items in series
- ‘Marketing collateral’
- Market-specific data, for products sold internationally
- Breakdown of product records into ‘blocks’, to allow partial updates
- New schema language options
ONIX 2.1 is No Longer a Supported Standard
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