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 Ćukasz 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
==========