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Python 3.4.2

Release Date: Oct. 13, 2014

Python 3.4.2

Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here.

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 18.4 MB SIG
XZ compressed source tarball Source release 36fc7327c02c6f12fa24fc9ba78039e3 13.6 MB SIG
Mac OS X 32-bit i386/PPC installer macOS for Mac OS X 10.5 and later 39635ba1fc5f471639a122c39bf12912 21.7 MB SIG
Mac OS X 64-bit/32-bit installer macOS for Mac OS X 10.6 and later 20c89ed88254aa0eeb4bb44ddfa7fc16 21.8 MB SIG
Windows help file Windows 0735dab44019fb59a32c843fbe6576d9 7.0 MB SIG
Windows debug information files Windows d5dd462fb786c35e228375a53c701e88 35.1 MB SIG
Windows debug information files for 64-bit binaries Windows e14696859c8b65b9016ec6a29b0302ed 23.0 MB SIG
Windows x86 MSI installer Windows 0aa1a556892d8dc0b60c19bf3102fb3f 23.4 MB SIG
Windows x86-64 MSI installer Windows for AMD64/EM64T/x64 45140ce7891a18cd52530cecdf7717ff 24.1 MB SIG