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Python 3.4.9rc1

Warning: Python 3.4.9 reached end-of-life on 2019-03-18. It is no longer supported and does not receive security updates. We recommend upgrading to the latest Python release.
Note: Python 3.4.9rc1 has been superseded by Python 3.4.10.

Release date: July 20, 2018

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

Python 3.4.9rc1 was released on July 19th, 2018.

Python 3.4 has now entered "security fixes only" mode, and as such the only changes since Python 3.4.7 are security fixes. Also, Python 3.4.9rc1 has only been released in source code form; no more official binary installers will be produced.

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

Full Changelog

Files

Source release

Download XZ compressed source tarball

Version Operating system Description File size GPG MD5 checksum
Gzipped source tarball Source release 18.8 MB SIG 2e9a7fbacedc1f97927a13bb87c18240
XZ compressed source tarball Source release 13.9 MB SIG 2fa6dd4e8f9409a6b9ac73e8dfd2b7ac