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Python 3.4.4rc1

Release Date: 2015-12-07

Python 3.4.4rc1 was released on December 6th, 2015.

Python 3.4.4rc1 has many bugfixes and other small improvements over 3.4.3.

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

Notes on this release:

  • The OS X installers are now distributed as signed installer package files compatible with the OS X Gatekeeper security feature.
  • The binaries for AMD64 will also work on processors that implement the Intel 64 architecture. (Also known as the "x64" architecture, and formerly known as both "EM64T" and "x86-64".) They will not work on Intel Itanium Processors (formerly "IA-64").
  • There is important information about IDLE, Tkinter, and Tcl/Tk on Mac OS X here.

Full Changelog

Files

Version Operating System Description MD5 Sum File Size GPG
Gzipped source tarball Source release 47bfd39aa78d32bd27d3353717a679ae 19481079 SIG
XZ compressed source tarball Source release 035d324072040440a0e3f80180ac8582 14382348 SIG
Mac OS X 32-bit i386/PPC installer Mac OS X for Mac OS X 10.5 and later c58065bdf9ad2e17a17b85bc5ae609d7 24833091 SIG
Mac OS X 64-bit/32-bit installer Mac OS X for Mac OS X 10.6 and later c27eca85f417ea31f7e9e3b407891905 23170114 SIG
Windows debug information files Windows a8ea797ca4b81e4e0c764bd6d010e657 37735596 SIG
Windows debug information files for 64-bit binaries Windows baf4fbc27ced1fc8872d3a068f9c8f83 25038530 SIG
Windows help file Windows 81d166cd55cee2e00e7fd036aeaa1c6c 7463227 SIG
Windows x86-64 MSI installer Windows for AMD64/EM64T/x64 c5f37917d7e8e3ff5369768814aca574 26054656 SIG
Windows x86 MSI installer Windows 9f1e8b3f11e855683c1e7826bcfacbb7 24879104 SIG