Update whatsnew/3.4 wrt. --version going to stdout. #18338, #18920, #18922
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 94fd8b4..c183ef8 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -428,6 +428,13 @@
(Contributed by Antoine Pitrou and Éric Araujo in :issue:`5845`.)
+Python invocation changes
+=========================
+
+Invoking the Python interpreter with ``--version`` now outputs the version to
+standard output instead of standard error (:issue:`18338`). Similar changes
+were made to :mod:`argparse` (:issue:`18920`) and other modules that have
+script-like invocation capabilities (:issue:`18922`).
Optimizations
=============