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-rw-r--r--Doc/whatsnew/3.4.rst11
1 files changed, 11 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 50eef84..67550d5 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -506,6 +506,17 @@ Major performance enhancements have been added:
(Contributed by Raymond Hettinger in :issue"`18771`.)
+* The interpreter starts about 30% faster. A couple of measures lead to the
+ speedup. The interpreter loads less modules on startup, e.g. the :mod:`re`,
+ :mod:`collections` and :mod:`locale` modules and their dependencies are no
+ longer imported by default. The marshal module has been improved to load
+ compiled Python code faster.
+
+ (Contributed by Antoine Pitrou, Christian Heimes and Victor Stinner in
+ :issue:`19219`, :issue:`19218`, :issue:`19209`, :issue:`19205` and
+ :issue:`9548`)
+
+
Build and C API Changes
=======================