Without further ado, let's start:
+Version 0.6.0 (2010-04-14)
+==========================
+
+* New languages: en_GB, es, nl, oc, pt, pt_BR, sq, sv, uk, zh_CN
+* Updated existing languages
+* Restore last selected buffer on restart
+* Optional per-chat history
+* SASL authentication support (e.g. supported by Freenode)
+* Allow inputting formatted (colored/bold/...) text in the inputline
+* Support the StatusNotifierItem DBus spec
+ - Replace old-style tray icon where supported (currently KDE >= 4.4)
+ - Integrate freedesktop notifications support (libnotify or knotify)
+* Systemtray refactoring
+ - Replace animation by blinking icon
+ - Properly handle notifications and mainwindow toggle
+* Improved URL detection
+* Sender column is now clickable (double click opens query)
+* Improved notification handling
+* ChatView performance improvements
+* Many buildsystem fixes
+ - Improved handling of icons
+ - Updated cmake macros
+ - Support building with MinGW
+ - Support KDE on non-X11 platforms
+ - Better handling of SSL libraries
+* Solid network state detection support (with KDE)
+* Settingspage refactoring
+* Improved handling of SSL certificates
+* Completely reworked the client/core connection
+ - New settingspage for managing core accounts
+ - Streamlined login/sync process
+ - Configurable timeout
+ - Automatic reconnect to core
+* Send unknown commands to server
+* New stylesheets
+* Use gettext for translations
+
+Version 0.5.2 (2010-01-18)
+==========================
+
+* CTCP ignore
+* Buildsystem fixes
+
+Version 0.5.1 (2009-11-21)
+==========================
+
+* Many Bugfixes
+* Updated translations
+* Fix issues with Qt >= 4.6
+
Version 0.5.0 (2009-10-14)
==========================