upgrade.txt

This files describes API changes for code that uses the user API.

=== 3.9 ===

* The unified filter has been replaced by the participants filter. The following have therefore been deprecated:
  * Library functions:
    * user_get_participants_sql
    * user_get_total_participants
    * user_get_participants
  * Unified filter renderer (core_user_renderer::unified_filter)
  * Unified filter renderable (\core_user\output\unified_filter)
  * Unified filter JavaScript (core_user/unified_filter.js and core_user/unified_filter_datasource.js)
  * Unified filter template (unified_filter.mustache)

=== 3.6 ===

* The following functions have been finally deprecated and can not be used anymore:
  * useredit_update_picture()
* core_user_external::update_user_preferences() now allows to unset existing preferences values.
  If the preference value field is not set, the preference will be unset.