If you have a renderable class named like "blah_renderable" and have a method on a renderer named "render_blah_renderable"
you will need to change the name of your render method to "render_blah" instead, as renderable at the end is no longer accepted.
+DEPRECATIONS:
+* completion_info->get_incomplete_criteria() is deprecated and will be removed in Moodle 3.0.
+
=== 2.6.4 / 2.7.1 ===
+
* setnew_password_and_mail() and update_internal_user_password() will trigger
\core\event\user_password_updated. Previously they used to generate
\core\event\user_updated event.