The hot-fix brings several improvements for migration script from 1.6 version, fixes for reports and a few more. See changelog for details. Interface to Eventum tracker is added.
There is not changes in DB schema (the last changes are in TL 1.7.1). So you can only replace the files of your installation and copy config_db and custom_config.
Please download from
http://sourceforge.net/project/showfiles.php?group_id=90976&package_id=216115&release_id=562211