Without further ado, let's start:
+Version 0.4.2 (2009-05-20)
+==========================
+Bugfix release
+
+* Improve system tray notifications
+* Change to highlighted channel if notification or blinking tray icon is clicked
+* Properly save/restore window size and state
+* Translation update: Norwegian
+
+Version 0.4.1 (2009-03-18)
+==========================
+Bugfix release
+
+* Improved ping timeout detection
+* Improved flood control
+* Add --version (-v) switch for non-KDEified Quassel
+* Translation updates: Slovenian, Russian, French, Czech, German, Turkish
+
Version 0.4.0 (2009-02-17)
-================================
+==========================
* Buffer view font can now be changed
* Colored nicknames
- Drag'n'Drop
Version 0.3.1 (2008-11-20)
-================================
+==========================
* Nick changes and day change messages can now be hidden
* Web previews and status icons can be disabled