KRDC - needs Alt to work

KDE 4.8.5 on Fedora 17

I recently upgraded a bunch of KDE components to 4.8.5, and now when I use 
KRDC as a VNC client I have to tap Alt at the beginning of a session before 
any mouse-click actions are recognized, no matter what app I try to use. 
Tool-tips work fine, but mouse-clicks seem to need a single quick tap on 
the Alt-key before any mouse activities work. Thereafter, things work fine 
for the duration of the session.

Is this a known issue?
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