# ProxySQL v1.2.3 Release date: 2016-09-20 ## Performance improvement None ## Usability improvement * Admin: introduced new table `runtime_mysql_users` [#691](../../../../issues/691) * Compile: new packages avaiable for Fedora24 * Compile: new packages avaiable for Ubuntu16 * Doc: updated documentation on passwords * General: added suppot for systemd (yet not included in binaries) ## New features * Admin: introduced new variable `admin-hash_passwords` to automatically hash mysql passwords [#676](../../../../issues/676) * Query Cache: aggressive memory purging when 90% of memory limit is reached [#690](../../../../issues/690) * Query Processor: added parsing for several SQL commands ## Bug fixes * Mirroring: fixes several bugs related to errors handling * Mirroring: fixes crashing bug * Query Cache: memory used was computed incorrectly * Connection Pool: a failed `CHANGE_USER` could cause a crash [#682](../../../../issues/682) ## Contributors Thanks to contributors, in alphabetical order: * @dveeden