Here are descriptions of the more relevant changes in 22.0
It is possible to log in to the application by face or fingerprint recognition in addition to the numeric PIN
It is now possible to remotely wipe all app data in case of phone loss
The application shows an alert when an update is available on the app store
You can rotate images before sending them
You can delete all your message and call history with a single click
The application shows the date and time of the last access made by the user in order to detect possible abusive accesses
Upgrade of Asterisk PBX to version 16.9.0 LTS
Protection against malicious SIP requests sent by attackers has been enhanced
Protection against HTTPS DDoS attack has been enhanced