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authorƁukasz Langa <lukasz@langa.pl>2018-04-04 06:06:53 (GMT)
committerGitHub <noreply@github.com>2018-04-04 06:06:53 (GMT)
commitc51d8c9ba6211d77db639487501f89aa9b4bcbb1 (patch)
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bpo-23403: Bump pickle.DEFAULT_PROTOCOL to 4 (#6355)
This makes performance better and produces shorter pickles. This change is backwards compatible up to the oldest currently supported version of Python (3.4).
Diffstat (limited to 'Doc/whatsnew')
-rw-r--r--Doc/whatsnew/3.8.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst
index 4e6c851..2f42a9f 100644
--- a/Doc/whatsnew/3.8.rst
+++ b/Doc/whatsnew/3.8.rst
@@ -94,6 +94,9 @@ Improved Modules
Optimizations
=============
+* The default protocol in the :mod:`pickle` module is now Protocol 4,
+ first introduced in Python 3.4. It offers better performance and smaller
+ size compared to Protocol 3 available since Python 3.0.
Build and C API Changes
=======================