[devhelp] NEWS: write summary of latest changes

[Sébastien Wilmet <swilmet src gnome org>]

commit f844fb375f78ab17cb61fb3811fbb39658f84747
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Tue May 2 17:42:42 2017 +0200

    NEWS: write summary of latest changes

 NEWS |   38 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 35d9391..84e97fc 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,42 @@
 ==============
+Version 3.25.x (not yet released)
+==============
+
+- Several fixes in the GTK-Doc comments and GObject Introspection annotations.
+- Lots of code clean-up and refactorings.
+- Clean up the GSettings schema.
+- Update GUI when system fonts change.
+- Build system:
+       - Disable -Werror by default.
+       - Use git.mk.
+       - Check for gsettings-desktop-schemas with pkg-config.
+
+API changes:
+
+ There has been some API breaks, but both Anjuta and gnome-builder should still
+ compile and work fine.
+
+ - Make dh-error.h private.
+ - Deprecate dh_link_get_page_name().
+ - Remove the following deprecated functions:
+       - dh_book_cmp_by_path_str()
+       - dh_book_cmp_by_name_str()
+       - dh_book_manager_get_languages()
+       - dh_language_free()
+
+ - Make DhBookManager a singleton.
+ - Remove dh_app_peek_book_manager().
+ - Remove dh_assistant_view_set_book_manager().
+ - Remove dh_keyword_model_set_words().
+ - DhBookTree:
+       - Remove book-manager property.
+       - API break for dh_book_tree_new().
+ - DhSidebar:
+       - Remove book-manager property.
+       - Deprecate the book_manager parameter of dh_sidebar_new().
+
+
+==============
 Version 3.24.0
 ==============