New API in gtkmm 3.90

Class Gdk::DrawContext

Member Gtk::Assistant::Assistant (bool use_header_bar)

Member Gtk::DrawingArea::set_draw_func (const SlotDraw & slot)

Member Gtk::DrawingArea::SlotDraw

Class Gtk::Snapshot

Member Gtk::TextIterBase::SlotFindChar

Member Gtk::TreeSelection::get_selected () const

Member Gtk::TreeSelection::get_selected (Glib::RefPtr< const TreeModel > & model) const