Mention deprecation and porting sections in intro.

diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index a084d558e07acd8f3f6c7834fe8b7cb5a1256b41..90175c58b3a4e9b0487f49d45ece515b867e7131 100644 (file)
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -136,7 +136,8 @@ CPython implementation improvements:
 * The :mod:`marshal` format has been made :ref:`more compact and efficient
   <whatsnew-marshal-3>` (:issue:`16475`).
 
-Please read on for a comprehensive list of user-facing changes.
+Please read on for a comprehensive list of user-facing changes, including
+sections on deprecations and porting issues.
 
 
 New expected features for Python implementations