Compilation from 0.28.17 source (with " Fixed issue #1610: leaking reference in Python debugger #1618 ") is running :-)

But let me answer the questions from slide #16 first:

The forum links have change slightly. The discussion #167 link is: https://www.klayout.de/forum/discussion/167

array specapp.set_config("edit-inst-array", "false")# only if edit-inst-array is "true":app.set_config("edit-inst-column_x", &a

#0 0x00002aaaab2eb540 in QApplication::~QApplication() () from /usr/pack/qt-4.8.5-di/x86_64-Linux-2.6/lib/libQtGui.so.4#1 0x00002aaab29b5131 in __smokeqtgui::x_QApplication::~x_QApplication() () fro

#16 0x00002aaaaaffe78d in QGtk::openFilename (parent=0x1c3aa50, caption=<value optimized out>, dir=..., filter=..., selectedFilter=0x0, options=...) at styles/gtksymbols.cpp:807