Compiled on OS X 10.8.5 with Qt 5.0.2, when using the compiled bitcoin-qt your unable to close the sign or verify message dialog boxes.
After recompiling with Qt 4.8.5 the issue disappears.
Compiled on OS X 10.8.5 with Qt 5.0.2, when using the compiled bitcoin-qt your unable to close the sign or verify message dialog boxes.
After recompiling with Qt 4.8.5 the issue disappears.
Cannot reproduce this on Linux with Qt 5.0.2.