And yes binary compatibility has been broken so you have to recompile applets. We never warranty the binary compatibility before 4.2 since plasma libs wasn't in kdelibs.

2009/1/27 Aaron J. Seigo <aseigo@kde.org>
On Tuesday 27 January 2009, David Baron wrote:
> More:
>
> The plasma icon widget is now IconWidget and not Icon. The header file in
> /usr/include/plasma is iconwidget.h instead of icon.h. I already recompiled
> one applet that used this :-)

yes, 4.2 had some API refactoring.

--
Aaron J. Seigo
humru othro a kohnu se
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KDE core developer sponsored by Qt Software


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