I highly recommend to watch this great talk about X Security on the 30c3. Next week I schedule a day to look at our new xcb code under the thought "X is not trusted" (I think everything should be fine but I would consider it as fun to hack KWin). I'm also sure that our XLib usage wasn't showing the problems mentioned for XGetWindowProperty in the talk (ported away a large part recently in NETWM classes and they all had success check). The talk nicely illustrates why I don't want to have KWin as a privileged Wayland compositor as long as we talk to X (there are other reasons, too).

Anyway there is some work for +Rohan Garg and the other Kubuntu devs with KPPP mentioned (and I'm going to bug them about that).
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