3.3.20 (unstable): Gdk: * Added AppLaunchContext. * Device: Added list_axes(). (Murray Cumming) * Display: Deprecate the set_double_click_[time|distance]() methods. (Kjell Ahlstedt) * RGBA: set_grey(), set_grey_u(): Correct the default alpha values. (Murray Cumming) Bug #671573 (Mark Vender) Gtk: * Actionable: Ensure virtual functions don't return freed memory. (José Alburquerque) * Button: - Deprecate the activate signal. ( Kjell Ahlstedt) - Deprecated signal_pressed(), signal_released(), signal_enter() and signal_leave(). (Murray Cumming) * CellArea: Added foreach() and some properties. * ColorChooser: Added add_palette(). * ComboBox: Added signal_format_entry_text(). * Entry: Deprecate the activate signal. * FontChooser: Added set_filter(). * MenuItem: - Deprecated get/set_right_justified(). - Added signal_select() and signal_deselect(). * MenuShell: Added Add signal_insert(). * Notebook: Deprecated get_tab_hborder() and get_tab_vborder(). * ScrolledWindow: Added get/set_kinetic_scrolling(), get/set_capture_button_press() and the kinetic-scrolling property. * Scale: Added set/get_has_origin() and property. * Settings: Added several new properties. * StyleContext: Added list_classes() and get_parent(). * TreeView: Added get_n_columns(). * Widget: - Deprecated get/set_state() and signal_state_changed(), adding signal_state_flags_changed(). - Added signal_touch_event(). (Murray Cumming) * Undeprecate init_gtkmm_internals() (Murray Cumming) Build: * Fix warnings found by clang++. (Murray Cumming) * TreeView: Work around a HP-UX aCC compiler error. (Albert Chin)