gtkmm: New API in gtkmm 3.12

Member Gdk::Pixbuf::create_from_resource (const std::string& resource_path)
Member Gdk::Pixbuf::create_from_resource (const std::string& resource_path, int width, int height, bool preserve_aspect_ratio=true)
Class Gtk::ActionBar
Member Gtk::Application::set_accel_for_action (const Glib::ustring& detailed_action_name, const Glib::ustring& accel)
Member Gtk::Application::unset_accels_for_action (const Glib::ustring& detailed_action_name)
Member Gtk::Builder::expose_widget (const Glib::ustring& name, Widget& widget)
Member Gtk::Button::set_image_from_icon_name (const Glib::ustring& icon_name, IconSize size=IconSize::INHERIT, bool use_fallback=false)
Class Gtk::FlowBox
Member Gtk::FlowBox::selected_foreach (const SlotSelectedForeach& slot)
Member Gtk::FlowBox::set_filter_func (const SlotFilter& slot)
Member Gtk::FlowBox::set_sort_func (const SlotSort& slot)
Member Gtk::FlowBox::SlotFilter
Member Gtk::FlowBox::SlotSelectedForeach
Member Gtk::FlowBox::SlotSort
Member Gtk::FlowBox::unset_filter_func ()
Member Gtk::FlowBox::unset_sort_func ()
Class Gtk::FlowBoxChild
Class Gtk::Popover