KVIrc versions

v4.2 [Nov 22, 2012]
Support for new os/architectures:
- Mac OS X support, clang support
- 64-bit Windows support
- improved FreeBSD integration
- an experimental OS/2 patch
More scripting power:
- the interface to the popup subsystem has been rewritten: the new popup module
- a new interface to the userlist: the userlist module
- a new webView class that embeds a webkit
- improved SQL classes
- a new trayicon KVS class
- added a default script manager to restore default scripts without overwriting custom user scripts
- lots of new functions: $file.time(), $insideAlias(), $log.export(), $file.diskspace(), $isBot(), $gender(), $context.connectionStartTime, $context.lastMessageTime, $listtimers(), $window.isDocked, $aliasBody(), $file.readBytes(), $file.writeBytes(), window.savePropertiesAsDefault, $chan.modeParam(), ...
- new SSL certificate related stuff: $dcc.getSSLCertInfo(), $certificate(), $str.evpSign(), $str.evpVerify()
A lot of new miscellaneous features:
- a module to support FiSH irc encryption
- smart logging paths using KVS
- improved medialayer support: VLC, Spotify, Totem, Clementine, ...
- a rewritten log viewer module
- dynamic support for custom channel modes
...
And finally, as usual, a lot of bugfixes and minor enhancements.

v4.0.4 [Sep 30, 2011]
It adds no big new features, but fixes a lot of small problems.