pty.spawn returns os.waitpid; optimization of BZ2File and LZMAFile.
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 9f8583d..e9292ba 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -473,6 +473,7 @@
 Improved Modules
 ================
 
+
 abc
 ---
 
@@ -480,6 +481,7 @@
 caches that are affected by changes in the object graph.  (Contributed
 by Ɓukasz Langa in :issue:`16832`.)
 
+
 aifc
 ----
 
@@ -786,6 +788,13 @@
 sequences (:issue:`19132`).
 
 
+pty
+---
+
+:func:`pty.spawn` now returns the status value from :func:`os.waitpid` on
+the child process, instead of ``None``.  (Contributed by Gregory P. Smith.)
+
+
 pydoc
 -----
 
@@ -1110,6 +1119,10 @@
   :issue:`19219`, :issue:`19218`, :issue:`19209`, :issue:`19205` and
   :issue:`9548`)
 
+* :class:`bz2.BZ2File` is now as fast or faster than the Python2 version for
+  most cases.  :class:`lzma.LZMAFile` has also been optimized.  (Contributed by
+  Serhiy Storchaka and Nadeem Vawda in :issue:`16034`.)
+
 
 Deprecated
 ==========