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Python 3.4.0

Release Date: March 17, 2014

Note: A newer bugfix release, 3.4.1, is currently available. Its use is recommended.

Python 3.4.0 was released on March 16th, 2014.

Major new features of the 3.4 series, compared to 3.3

Python 3.4 includes a range of improvements of the 3.x series, including hundreds of small improvements and bug fixes. Among the new major new features and changes in the 3.4 release series are

  • PEP 428, a "pathlib" module providing object-oriented filesystem paths
  • PEP 435, a standardized "enum" module
  • PEP 436, a build enhancement that will help generate introspection information for builtins
  • PEP 442, improved semantics for object finalization
  • PEP 443, adding single-dispatch generic functions to the standard library
  • PEP 445, a new C API for implementing custom memory allocators
  • PEP 446, changing file descriptors to not be inherited by default in subprocesses
  • PEP 450, a new "statistics" module
  • PEP 451, standardizing module metadata for Python's module import system
  • PEP 453, a bundled installer for the pip package manager
  • PEP 454, a new "tracemalloc" module for tracing Python memory allocations
  • PEP 456, a new hash algorithm for Python strings and binary data
  • PEP 3154, a new and improved protocol for pickled objects
  • PEP 3156, a new "asyncio" module, a new framework for asynchronous I/O

More resources


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Notes on this release:

Full Changelog


Version Operating System Description MD5 Sum File Size GPG
Gzipped source tarball Source release 3ca973eb72bb06ed5cadde0e28eaaaca 19222299 SIG
XZ compressed source tarball Source release 77c22725e14af3d71022cbfdebff4903 14084912 SIG
Mac OS X 32-bit i386/PPC installer Mac OS X for Mac OS X 10.5 and later 5298bfa96ea61e0f96de33f879f730c0 22777385 SIG
Mac OS X 64-bit/32-bit installer Mac OS X for Mac OS X 10.6 and later d464bfe275a58715d35623d95d2b977d 22847868 SIG
Windows debug information files Windows 283ed83b73b257129dc13e024b21093b 36687020 SIG
Windows debug information files for 64-bit binaries Windows a65731cdbd538716072e1a07add04c32 24121026 SIG
Windows help file Windows c75ae8a94e664f51b52ebe3d21e8b758 7269706 SIG
Windows x86-64 MSI installer Windows for AMD64/EM64T/x64, not Itanium processors d59aaf1bb32d1bc01a051b3613ab0966 25206784 SIG
Windows x86 MSI installer Windows e3be8a63294e42e126493ca96cfe48bd 24498176 SIG