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Python 3.4.2

Release Date: 2014-10-13

Python 3.4.2

Python 3.4.2 was released on October 8th, 2014.

Python 3.4.2 has many bugfixes and other small improvements over 3.4.1. One new feature for Mac OS X users: the OS X installers are now distributed as signed installer package files compatible with the OS X Gatekeeper security feature.

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


Notes on this release:

Full Changelog


Version Operating System Description MD5 Sum File Size GPG
Gzipped source tarball Source release 5566bc7e1fdf6bed45f9a750d5f80fc2 19257270 SIG
XZ compressed source tarball Source release 36fc7327c02c6f12fa24fc9ba78039e3 14223804 SIG
Mac OS X 32-bit i386/PPC installer Mac OS X for Mac OS X 10.5 and later 39635ba1fc5f471639a122c39bf12912 22759983 SIG
Mac OS X 64-bit/32-bit installer Mac OS X for Mac OS X 10.6 and later 20c89ed88254aa0eeb4bb44ddfa7fc16 22851716 SIG
Windows debug information files Windows d5dd462fb786c35e228375a53c701e88 36785324 SIG
Windows debug information files for 64-bit binaries Windows e14696859c8b65b9016ec6a29b0302ed 24137410 SIG
Windows help file Windows 0735dab44019fb59a32c843fbe6576d9 7361836 SIG
Windows x86-64 MSI installer Windows for AMD64/EM64T/x64 45140ce7891a18cd52530cecdf7717ff 25235456 SIG
Windows x86 MSI installer Windows 0aa1a556892d8dc0b60c19bf3102fb3f 24530944 SIG