Main fixes included in this maintenance release:
- #19016 - test objects: fixed issue about mandatory answer on Edge and IE
- #19437 - IO task - add user language import to userconnector
- #19504 - Add username in password recovery email
- #19535 - fixed dataTables pagination in grade book detail
- #19547 - Added enroll policy management in docebousers connector
- #19563 - Move htmlpurifier cache folder into forma twig cache folder
- #19569 - Mycourses - order categoy filter alphabetically
- #19567 - Free registration with manual code - any code accepted
- #19575 - My courses - include category in filter search
- #19609 - Upgrader - bug upgrade 1.3 - 2.x
- #19611 - Disable some notification events
- #19614 - Can't delete single certificates
- #19615 - Manage additional tabs in the mycertificate page
- #19619 - Edit profile - bug with allow all and disallow mode
- #19612 - Fixed and improved algorithm for computing catalogue tree
- #19617 - Role creation for menu error
- #19620 - User registration - error with uppercase in email field
- #19622 - Issue with course newsletter recipient
- #19669 - Bug Fixes template side
- #19671 - removed external http call to Yui library
- #19675 - revert on API authentication check change.
Plus other minor fixes and improvements
