3.9.8 (unstable):

Gdk:
* Display: Deprecate get_n_screens().
  (Murray Cumming)

Gtk:
* Action: Deprecate all methods, signals and properties, but not yet the 
  class itseld, because it is still used in not-yet-deprecated API.
  Also deprecated RadioACtion, RecentAction, ToggleAction.
  (Kjell Ahlstedt)
* Deprecate ActionGroup.
  (Kjell Ahlstedt)
* CellRenderer: Deprecate property_cell_background_gdk().
  (Kjell Ahlstedt)
* CellView: Deprecate property_background_gdk().
  (Kjell Ahlstedt)
* ColorButton: Deprecate get_alpha().
  (Kjell Ahlstedt)
* Container: deprecate resize_children().
  (Kjell Ahlstedt)
* Deprecate Gtk::IconFactory, IconSet, IconSource.
  (Kjell Ahlstedt)
* Image: Deprecate methods that take an IconSet or a StockID parameter.
* StyleContext: Deprecate [set|get]_direction() and render_icon_pixbuf().
* Deprecate StockID, StockItem, BuiltinStockID, namespace Gtk::Stock.
* MenuButton: Deprecate unset_menu().
  (Kjell Ahlstedt)
* MenuButton: Deprecate unset_menu().
  (Kjell Ahlstedt)
* ScrolledWindow:  Deprecate property_window_placement_set().
* Settings: Deprecate ignored settings.
* Deprecate Table.
  (Kjell Ahlstedt)
* Deprecate UIManager.
  (Kjell Ahlstedt)
* Widget: Deprecate [un]set_composite_name(),
  [push|pop]_composite_child(), get_requisition() and methods that take a
  StockID parameter.
  (Kjell Ahlstedt)
* Window: Deprecate reshow_with_initial_size().
  (Kjell Ahlstedt)
* Add missing includes in gdkmm.h and gtkmm.h.
  (Kjell Ahlstedt) Bug #699993.

Build:
* Move to a generated ChangeLog.
  (José Alburquerque)

Documentation:
* Demos: Fix calls to Gtk::Grid::attach().
  (Kjell Ahlstedt)