Changes since Webmin version 1.570

Webmin Core
Even more German translation updates, thanks to Raymond Vetter.
Added UTF-8 encodings for languages using the iso-8859-2, like Czech and Polish.
Catalan updates, thanks to Jaume Badiella.
Norwegian translation updates, thanks to Stein-Aksel Basma.
The MySQL, PostgreSQL, Filesystem Backup and Backup Configuration Files modules now all support the use of Webmin variable substitutions in backup paths (like $HOSTNAME) via a new Module Config option.

Custom Commands
Added a new parameter type which is a submit button.

MySQL Database Server
Added fields to the Edit User page for setting the maximum concurrent logins and operations per hour for users.
Scheduled MySQL backups can now have their success or failure sent via email, via new options on the Backup Database page.
When executing SQL or restoring a backup file, the character set can now be selected for the imported data.

Network Configuration
If Postfix is installed when the hostname is changed, the mydestination (local hostname) configuration parameter is updated too.

Webmin Actions Log
Added a field for searching for actions by their description.