These deprecated comments have been fixed with the 0.82.5 package from the xenial archive. So it can be downloaded and then installed/upgraded with "sudo dpkg -i ....."
https://launchpad.net/ubuntu/+source/synaptic note: as that issue is not a "security" issue, these fixes will not be backported. synaptic (0.82.5) unstable; urgency=medium [ xuzhen ] * port from deprecated GdkColor to GdkRGBA * port from deprecated GtkFontSelectionDialog to GtkFontChooserDialog * get rid of the deprecated gtk_tree_view_set_rules_hint() * port from deprecated gdk_cursor_new() to gdk_cursor_new_for_display() * port from deprecated GtkHBox/GtkVBox to GtkBox * port from deprecated gtk_vscrollbar_new() to gtk_scrollbar_new() * get rid of the deprecated GtkStock -- Michael Vogt <m...@debian.org> Sun, 13 Dec 2015 10:46:17 +0100 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1282542 Title: (synaptic:3405): GLib-CRITICAL **: g_child_watch_add_full: assertion 'pid > 0' failed To manage notifications about this bug go to: https://bugs.launchpad.net/vte/+bug/1282542/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs