3.15.9 (unstable); Gtk: * Add StackSidebar. (Kjell Ahlstedt) * StackSwitcher: Add unset_stack(). (Kjell Ahlstedt) * StyleContext: Deprecate list_regions(), add_region(), remove_region(), has_region(), get_backgrount_color(), get_border_color(), invalidate. (Kjell Ahlstedt) * TextBuffer: Wrap the serialize()/deserialize() methods. (Kjell Ahlstedt) Bug #694250 * Widget: Deprecate Deprecate override_color(), unset_color(), override_background_color(), unset_background_color(), override_font(), unset_font(), override_symbolic_color(), unset_symbolic_color(), override_cursor(), unset_cursor(). (Kjell Ahlstedt) * Window: Deprecate Deprecate property_has_resize_grip(), property_resize_grip_visible(), set/get_has_resize_grip(), get_resize_grip_is_visible(), get_resize_grip_area(). (Kjell Ahlstedt) * Fix error messages from gmmproc by removing unnecessary _IGNORES()s. (Kjell Ahlstedt) Gdk: * Device: Add get_vendor_id() and get_product_id(). (Murray Cumming) Documentation: * demos: Add stacksidebar demo. (Kjell Ahlstedt) * demos: Replace calls to deprecated Widget::override_*() API. (Kjell Ahlstedt) * Container: Remove obsolete comments that confuse doxygen. (Kjell Ahlstedt) * Put DOXYGEN_SHOULD_SKIP_THIS around *_Class prototypes. To workaround a doxygen bug, to fix the genereated DevHelp search index. (Murray Cumming) Bug #743918