* Support for JSON: <code>fn:json-doc</code>, <code>fn:parse-json</code>
* New functions: <code>array:fold-left</code>, <code>array:fold-right</code>, <code>fn:collation-key</code>, <code>fn:load-module</code>, <code>fn:parse-ietf-date</code>, <code>fn:transform</code>, <code>map:for-each-entry</code>
* Support for scientific notation: <code>format-number</code>