Added the hotfix/2.11.9 branch
Fixed the FAQ sorting order in the "FAQ page" module
Unset non-existing fields when restoring versions (see #5219)
Show the correct date/time format when validating front end forms (see #5238)
More robust input validation in the back end filter menu and no more absolute paths in error messages printed to the screen (thanks to aulmn) (see #4971)
Check whether `$arrParentIds` is empty in `Controller::getChildRecords()`
Make sure there is an array in `Controller::generateMargin()` (see #5217)
Added the Extension Repository formatting enhancements
Replaced the 1200 pixel limit when resizing images with the values defined in the system settings (see #5268)
Anonymize IP addresses in `Form::processFormData()` (see #5255)
Do not group standalone lightbox elements on HTML5 pages (see #3742)
Apply TinyMCE security fix for CVE-2012-6112

Apply TinyMCE security fix for CVE-2012-6112 from
https://github.com/tinymce/tinymce_spellchecker_php/commit/22910187bfb9edae90c26e10100d8145b505b974.
Merge pull request #5287 from taca/tinymce-CVE-2012-6112/2.11.9
Added the theme store link
Consider the `save_callback` of the password field in `tl_user` when a back end user is forced to change his password (see #5138)
Correctly trigger the "saveNewPassword" hook (see #5247)
Added the new versions to the repository settings
Revert: Show the correct date/time format when validating front end forms (see #5238)
Handle invalid dates in the user modules
Decode entities in phone numbers (see #5325)