Throw an execption in `Model::__callStatic()` if the method is unknown (see #6160)
Fix endless recursion in `loadDataContainer()` (see #6145)
Fix two issues in the `Database_Result` class
Prepare the system and database updater for using the binary field
Add the necessary bin/hex and hex/bin conversions to the file tree widget
Adjust the `Validator::isUuid()` method
Adjust the file picker
Use `varchar(1022)` now that MySQL 5 is a requirement
Add a PDO driver
Remove the error suppressors from the MySQLi classes
Remove the MySQL driver and update the install tool
Restore the MySQL driver for reasons of backwards compatibility
Restore persistent connection support
Do not exit after a template has been output (see #5570)
Apply the width and height to the audio player as well (see #6114)
Support `tel:` and `sms:` upon IDNA conversion (see #6148)
Unset the primary key if a model is deleted (see #6162)
Check whether a file exists when adding enclosures (see #6173)
Do not cache the "toggle_view" insert tag (see #6172)
Strip the related fields before passing a DB result to `Model::setRow()` (see #6133)