Version: (using KDE Devel) Installed from: Compiled sources Most unresizable windows, such as kdialog windows, or the calculator, which cannot be resized are not marked as such by kwin. I noticed this after I modified the b2 theme to change border style when isResizable() returns false. The only windows in which the attribute is set are maximized windows, and KsCD. This is obviously not a grave bug, but why is that?
This problem was fixed (or rather, worked around, since in these cases those windows for some reason request smaller maximum size than minimum size). BTW, for issues like this with current development version, you might be better using the kwin@kde.org mailing list.
Thanks for the fix, I'll try it as soon as possible. Regarding the suggestion to post to kwin@kde.org, I will do so, if you think that will help. However, I think I sent a message about this problem a bit of time ago (in the 3.0 transition 3.1 period) and I don't remember an answer. Also, since most of the traffic on kwin@kde.org seems to be bug reports, I tried this route for a second try ;-) I'll use the mailing list the next time, however, let's see what will happen.