Hi there! We've released Mibew Messenger 3.1.0!  

The brief changelog:
[ + ] Added new permission to control access to system statistics and improve permissions logic
[ + ] Implement responsive design for mobile devices (thanks 
Bert)
[ * ] Fix installation for Percona XtraDB Cluster (and similar solutions) as database
[ * ] Fix (minor) potential information disclosure vulnerability
You can download the release here: 
https://mibew.org/download2Update is recommended.