Several bugs in encoding and refreshing in Konsole have been fixed
A couple of crashes in Okular's PDF viewer have been fixed
Alarms have received some fixes in KDE PIM
The changelog lists more, if not all improvements since KDE SC 4.4.4.
* A number of bugs in KIO have been squashed, making updating of shown
directories work again and solving some other stability issues
* A crash when creating an avatar from the webcam in Kopete has been fixed
* kded taking 100% CPU time in certain situations has been cured
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