Translations:Development/FAQs/Technical FAQ/58/en

The reason is that applications started by other KDE applications (kicker, minicli, konqueror, etc.) are started via kdeinit, which loads the libs when KDE starts. So the "old" version of the libs keep being used. But if you want kdeinit to start using the new libs, simply restart it. This is done by typing kdeinit in a terminal.