2.0.4
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 + Added configuration option "History/AutoLoad".
 + Added support for private channels and channels with read-only access.
 + Added support for invitations to the channels.
 * Extended list of permissions that can be set via the user interface.
 * Fixed a bug you can send a message to the channel, but do not be in it.

2.0.3
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 + Fixed a bug on generating a unique identifier of a computer.
 + Added initial support for moderators of channels.
 + Added support for displaying the date the user disconnects and information about the last connection.
 * Fixed, in some cases, the client could hang when changing the server.
 * Fixed, menu "Permissions" is also displayed in private talks.
 * Improved speed to displaying user profile by using the cached data.
 + Added support for disabling autoscroll.

2.0.2
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 * Restored compatibility with Debian GNU/Linux 6.0.
 * Fixed, checkbox "Logging messages" was not checked by default.

2.0.1
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 * Improved interactivity for OAuth authorization.
 * In Windows OpenSSL library has been updated to 1.0.1e and libpng to 1.5.14.
 + Added support for package "geoip-database-contrib" for GeoIP databases in Ubuntu.
 * Reduced network delays.
 + Added command "/ping".
 + Chat client now supports command line key "-base".
 + Added support for specifying PREFIX and LIBDIR for Linux when calling qmake.
 * Fixed, spell checking does not work if the path to the dictionary contains Russian characters.