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Python 3.4.0

Release Date: March 17, 2014

Note: Python 3.4.0 has been superseded by Python 3.4.9.

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


Please proceed to the download page for the download.

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 d59aaf1bb32d1bc01a051b3613ab0966 25206784 SIG
Windows x86 MSI installer Windows e3be8a63294e42e126493ca96cfe48bd 24498176 SIG