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Python 3.4.1

Release Date: May 19, 2014

Python 3.4.1

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

Python 3.4.1 was released on May 18th, 2014.

Python 3.4.1 has over three hundred bugfixes and other improvements over 3.4.0. One notable change: the version of OpenSSL bundled with the Windows installer no longer has the "HeartBleed" vulnerability.

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 26695450087f8587b26d0b6a63844af5 18.2 MB SIG
XZ compressed source tarball Source release 6cafc183b4106476dd73d5738d7f616a 13.5 MB SIG
Mac OS X 32-bit i386/PPC installer macOS for Mac OS X 10.5 and later 534f8ec2f5ad5539f9165b3125b5e959 21.6 MB SIG
Mac OS X 64-bit/32-bit installer macOS for Mac OS X 10.6 and later 316a2f83edff73bbbcb2c84390bee2db 21.7 MB SIG
Windows help file Windows 6ff47ff938b15d2900f3c7311ab629e5 7.0 MB SIG
Windows debug information files Windows 9ce29e8356cf13f88e41f7595c2d7399 35.0 MB SIG
Windows debug information files for 64-bit binaries Windows 44a2d4d3c62a147f5a9f733b030490d1 23.0 MB SIG
Windows x86 MSI installer Windows 4940c3fad01ffa2ca7f9cc43a005b89a 23.3 MB SIG
Windows x86-64 MSI installer Windows for AMD64/EM64T/x64 25440653f27ee1597fd6b3e15eee155f 23.9 MB SIG