upgrade.txt

This files describes API changes in tagging, information provided
here is intended especially for developers.

=== 2.7 ===

* The functions tag_set, tag_set_add, tag_set_delete and tag_assign now expect the component
and contextid of the item being tagged.

=== 2.6 ===

More cleanup was done to tag cloud sorting which involved some API changes, see MDL_39800
* tag_print_cloud() arguments were changed.
* coursetag_get_tags() arguments were changed.
* coursetag_get_all_tags() arguments were changed.
* coursetag_sort() was removed.

=== 2.4 ===

Significant cleanup was done to course tags which involved some API
changes, see MDL-15471
* tag_print_cloud() arguments were changed
* coursetag_print_cloud() was removed.
* coursetag_get_official_keywords() was removed
* coursetag_rss_feeds() was removed