Added a new module called "domain". With this module you can manage all domains (web + mail). Per default this module is not active. To activate it, you have to change the System Interface Config -> domains -> use the domain module. You also have to activate the domain-module for the admin (and for every client if you want). Important: you can not use this module if you have reseller!

- Set a fixed column width for the buttons in the client and reseller list.

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You can now set an array of predefined values in a tform select field together with a datasource. The data of the "value" array and the datasource data get merged, so that the datasource data gets appended to the value array.

Added new "DATE" datatype which uses the native mysql date format instead of tstamps in tform library. The old tstamp datatype as been renamed to "DATETSTAMP".

- Added alternative code for a is_group function which might perform better then the old implementation. It has to be tested yet and is commented out.

Added European Portuguese translation. Many thanks to Miguel Almeida to provide this language file set.

- Added a missing language string for the website form.

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Added a function to retrieve the client_id for a given sysuser_id to the remotting API: client_get_id($session_id,$sys_userid);

- Better default settings for the "Normal" spamfilter policy.

Modified loadUserProfile function i discovered using mailuser interface from horfic after many tests and debugs functions recive a value iguals to userid field not sys_userid.
I keep sysuser_id testing for compatibility issues no have any idea if this used in another place and added aditional userid test. 
Tested all things and used auto-response with roundcube with this modifications all worked fine.
More info see here: http://www.howtoforge.com/forums/showthread.php?t=38437&page=15

Fixes Encoding to UTF-8 and Add Some New Strings

Deleted the client id check, now he goes directly to the sysuser_id. Now you don't have to use the client id anymore, only more the sysuser_id. Solves issue when client has more than one sysuser

Added a option to debug the language files (show strings that are not contained in the lang file surrounded by #....#)
Fixed: FS#1063 - Missing language variables in shell user options 

Fixed general utf8 encoding problems when data is passed from frontend to server, this fixes also bug FS#1065 - Special characters in autoresponder subject may break the autoresponder 

Merged all language files.

Fixed: FS#1012 - Delete all records (domains, ftp users, etc.) of a client when the client gets deleted.

Changed the characters that are available to be used in the password salt to avoid decoding problems with certain 64Bit Linux systems.

Changed: removed datalog update function in tform.inc.php and just left the stub function there for legacy support with a call to the new function in the db_mysql.inc.php.

See thread: http://www.howtoforge.com/forums/showthread.php?p=216643