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Diffstat (limited to 'Doc/whatsnew/3.4.rst')
| -rw-r--r-- | Doc/whatsnew/3.4.rst | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst index b509516..6f949a9 100644 --- a/Doc/whatsnew/3.4.rst +++ b/Doc/whatsnew/3.4.rst @@ -109,6 +109,7 @@ New expected features for Python implementations: Significantly Improved Library Modules: * Single-dispatch generic functions in :mod:`functoools` (:pep:`443`) +* New :mod:`pickle` protocol 4 (:pep:`3154`) * SHA-3 (Keccak) support for :mod:`hashlib`. * TLSv1.1 and TLSv1.2 support for :mod:`ssl`. * :mod:`multiprocessing` now has option to avoid using :func:`os.fork` @@ -285,6 +286,20 @@ described in the PEP. Existing importers should be updated to implement the new methods. +Pickle protocol 4 +================= + +The new :mod:`pickle` protocol addresses a number of issues that were present +in previous protocols, such as the serialization of nested classes, very +large strings and containers, or classes whose :meth:`__new__` method takes +keyword-only arguments. It also brings a couple efficiency improvements. + +.. seealso:: + + :pep:`3154` - Pickle protocol 4 + PEP written by Antoine Pitrou and implemented by Alexandre Vassalotti. + + Other Language Changes ====================== |