* The core/event::getLegacyEvents() function has been deprecated and should no longer be used.
* Typo3 has now been removed. Use native mbstring or iconv functions.
* A new index has been added on mdl_user_preferences.name. This upgrade step might take some time on big sites.
+* The completion_info function display_help_icon() which returned the 'Your progress' help icon has been deprecated and
+ should no longer be used.
+* The completion_info function print_help_icon() which has been deprecated since Moodle 2.0 should no longer be used.
+ * @babel/polyfill has been removed in favour of corejs@3
=== 3.11 ===
* PHPUnit has been upgraded to 9.5 (see MDL-71036 for details).