KDE SC 4.3.4 has a number of improvements:
* A bugfix in Plasma's pixmap cache makes the workspace more responsive
* Okular, the document viewer improved stability in certain situations
* Marble, the desktop globe has seen some polish
* Passphrases with non-ASCII characters have been fixed in the KGpg
encryption tool
KDE 4.3.3 has a number of improvements that will make your life just a
little bit better. Some of KWin's effects have been smoothed and freed
of visual glitches, JuK should now be more stable, KDE PIM has seen its
share of improvements while in the back-rooms of KDE, the developers are
working hard on porting all applications to the new Akonadi storage and
cache.
KDE 4.3.2 brings a nice number of bugfixes, some critical, some just
fixing small annoyances:
* Many crashers have been fixed in KDE's core libraries, bringing more
stability to all applications
* KWin's window compositing effects have been further stabilized by fixing
a number of bugs in effect plugins such as the famous coverswitch window
switcher
* The biggest number of bugs for this release has been fixed in KMail,
KDE's email client, making it more reliable and usable by correcting a
number of display issues
* Saving files over themselves works again in Okular, KDE's document viewer
