;Version 8.6
* Added: <code>[[#map:find|map:find]]
;Version 8.4
;Version 8.0
* Added: <code>[[#map:for-each|map:for-each]]</code>, <code>[[#map:merge|map:merge]]</code>, <code>[[#map:put|map:put]]</code>
* Removed: support for collations (in accordance with the XQuery 3.1 spec).
* Removed: {{Code|map:new}} (replaced with {{Code|map:merge}})