Additionally it produces this message in the console:
Distance::ident_system(): Unknown distance system ".00pt"
It only happens for non English locale (i.e. Spanish)
studio_init_cb.task(_("Loading Settings..."));
load_settings();
device_tracker->load_preferences();
+ // If the default bline width is modified before focus a canvas
+ // window, the Distance widget doesn't understand the given value
+ // and produces this message:
+ // Distance::ident_system(): Unknown distance system ".00pt"
+ // setting the default bline width to 1 unit.
+ // This line fixes that.
+ synfigapp::Main::set_bline_width(synfigapp::Main::get_selected_input_device()->get_bline_width());
studio_init_cb.task(_("Checking auto-recover..."));