ctrl-c in terminal window is handled badly. Apparently, this is a 
wxPython/wxWindows bug, because wxPython demos die with a segfault on ctrl-c
as well.

Pressing tab in an empty notebook causes a crash
gdb traceback is:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 2263)]
0x4065935e in wxNotebook::GetNotebookPage(int) const () from
/usr/lib/libwx_gtk-2.4.so.0
(gdb) bt
#0  0x4065935e in wxNotebook::GetNotebookPage(int) const () from
/usr/lib/libwx_gtk-2.4.so.0
#1  0x40658790 in wxwxGtkNotebookPagesListNode::DeleteData() () from
/usr/lib/libwx_gtk-2.4.so.0
#2  0x40919e43 in gtk_marshal_BOOL__POINTER () from /usr/lib/libgtk-1.2.so.0
#3  0x40949b6c in gtk_signal_remove_emission_hook () from
/usr/lib/libgtk-1.2.so.0
#4  0x40948fd5 in gtk_signal_set_funcs () from /usr/lib/libgtk-1.2.so.0


Note that missing features are not bugs :-)

Gtk2 problems: no colours in chat, text output windows do not scroll to bottom
