Binary package hint: gnucash
Using gnucash 1.9.8 or 2.0.0 (the most recent two versions in edgy repositories), gnucash can no longer import .qfx files, including files which are known to work with previous versions of gnucash. Since this isn't being reported on the main gnucash lists, I think it's a library mismatch problem for ubuntu or debian.
Reproduce: choose File/Import/Import OFX/QFX. Pick a valid .qfx file. Crash. "The Application "gnucash" has quit unexpectedly. You can inform the developers of what happened to help them fix it. Or you can restart the application right now."
Run from the command line:
$ gnucash
*** glibc detected *** gnucash: munmap_chunk(): invalid pointer: 0x08908480 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6(__libc_free+0x183)[0xb6b0eb33]
/usr/lib/libglib-2.0.so.0(g_free+0x2d)[0xb6c42f77]
/usr/lib/gnucash/gnucash/libgncmod-gnome-utils.so.0(_gtk_tree_data_list_header_free+0x58)[0xb7cf6b75]
/usr/lib/libgtk-x11-2.0.so.0[0xb732e0f0]
/usr/lib/libgtk-x11-2.0.so.0[0xb732e2dc]
/usr/lib/libgobject-2.0.so.0(g_object_unref+0x161)[0xb6cae646]
/usr/lib/libgtk-x11-2.0.so.0[0xb71fcdea]
/usr/lib/libgobject-2.0.so.0(g_object_unref+0x161)[0xb6cae646]
/usr/lib/libgobject-2.0.so.0(g_object_run_dispose+0x58)[0xb6cae948]
/usr/lib/libgtk-x11-2.0.so.0(gtk_object_destroy+0x76)[0xb727d382]
/usr/lib/libgtk-x11-2.0.so.0(gtk_widget_destroy+0x41)[0xb736829d]
/usr/lib/libgtk-x11-2.0.so.0[0xb71991ca]
/usr/lib/libgtk-x11-2.0.so.0(gtk_container_foreach+0x66)[0xb71d1c5a]
/usr/lib/libgtk-x11-2.0.so.0[0xb71d24f3]
/usr/lib/libgobject-2.0.so.0(g_cclosure_marshal_VOID__VOID+0x43)[0xb6cb8a2a]
/usr/lib/libgobject-2.0.so.0[0xb6caaf05]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x208)[0xb6cac741]
/usr/lib/libgobject-2.0.so.0[0xb6cbc0ca]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x8c5)[0xb6cbce47]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x29)[0xb6cbd000]
/usr/lib/libgtk-x11-2.0.so.0[0xb727d639]
/usr/lib/libgtk-x11-2.0.so.0[0xb73680f0]
/usr/lib/libgobject-2.0.so.0(g_object_run_dispose+0x50)[0xb6cae940]
/usr/lib/libgtk-x11-2.0.so.0(gtk_object_destroy+0x76)[0xb727d382]
/usr/lib/libgtk-x11-2.0.so.0(gtk_widget_destroy+0x41)[0xb736829d]
/usr/lib/libgtk-x11-2.0.so.0[0xb71991ca]
/usr/lib/libgtk-x11-2.0.so.0(gtk_container_foreach+0x66)[0xb71d1c5a]
/usr/lib/libgtk-x11-2.0.so.0[0xb71d24f3]
/usr/lib/libgobject-2.0.so.0(g_cclosure_marshal_VOID__VOID+0x43)[0xb6cb8a2a]
/usr/lib/libgobject-2.0.so.0[0xb6caaf05]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x208)[0xb6cac741]
/usr/lib/libgobject-2.0.so.0[0xb6cbc0ca]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x8c5)[0xb6cbce47]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x29)[0xb6cbd000]
/usr/lib/libgtk-x11-2.0.so.0[0xb727d639]
/usr/lib/libgtk-x11-2.0.so.0[0xb73680f0]
/usr/lib/libgobject-2.0.so.0(g_object_run_dispose+0x50)[0xb6cae940]
/usr/lib/libgtk-x11-2.0.so.0(gtk_object_destroy+0x76)[0xb727d382]
/usr/lib/libgtk-x11-2.0.so.0(gtk_widget_destroy+0x41)[0xb736829d]
/usr/lib/libgtk-x11-2.0.so.0[0xb7195832]
/usr/lib/libgtk-x11-2.0.so.0(gtk_container_foreach+0x66)[0xb71d1c5a]
/usr/lib/libgtk-x11-2.0.so.0[0xb71d24f3]
/usr/lib/libgtk-x11-2.0.so.0[0xb7376915]
/usr/lib/libgobject-2.0.so.0(g_cclosure_marshal_VOID__VOID+0x43)[0xb6cb8a2a]
/usr/lib/libgobject-2.0.so.0[0xb6caaf05]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x126)[0xb6cac65f]
/usr/lib/libgobject-2.0.so.0[0xb6cbc0ca]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x8c5)[0xb6cbce47]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x29)[0xb6cbd000]
/usr/lib/libgtk-x11-2.0.so.0[0xb727d639]
/usr/lib/libgtk-x11-2.0.so.0[0xb73680f0]
/usr/lib/libgtk-x11-2.0.so.0[0xb7373a21]
/usr/lib/libgobject-2.0.so.0(g_object_run_dispose+0x50)[0xb6cae940]
/usr/lib/libgtk-x11-2.0.so.0(gtk_object_destroy+0x76)[0xb727d382]
/usr/lib/libgtk-x11-2.0.so.0(gtk_widget_destroy+0x41)[0xb736829d]
/usr/lib/gnucash/gnucash/libgncmod-gnome-utils.so.0(gnc_file_dialog+0x491)[0xb7d31e31]
/usr/lib/gnucash/gnucash/libgncmod-ofx.so.0(gnc_file_ofx_import+0x125)[0xb6a1c19f]
/usr/lib/gnucash/gnucash/libgncmod-ofx.so.0[0xb6a1c697]
/usr/lib/libgobject-2.0.so.0(g_cclosure_marshal_VOID__VOID+0x43)[0xb6cb8a2a]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x126)[0xb6cac65f]
/usr/lib/libgobject-2.0.so.0[0xb6cbb924]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x8c5)[0xb6cbce47]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x29)[0xb6cbd000]
======= Memory map: ========
08048000-0804c000 r-xp 00000000 08:02 1310733 /usr/bin/gnucash-bin
0804c000-0804d000 rw-p 00003000 08:02 1310733 /usr/bin/gnucash-bin
0804d000-08935000 rw-p 0804d000 00:00 0 [heap]
b3e57000-b3e63000 r--s 00000000 08:02 3113056