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Python 3.4.3

Release Date: Feb. 25, 2015

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

Python 3.4.3 was released on February 25th, 2015.

Python 3.4.3 has many bugfixes and other small improvements over 3.4.2.

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


Version Operating System Description MD5 Sum File Size GPG
Gzipped source tarball Source release 4281ff86778db65892c05151d5de738d 18.6 MB SIG
XZ compressed source tarball Source release 7d092d1bba6e17f0d9bd21b49e441dd5 13.8 MB SIG
Mac OS X 32-bit i386/PPC installer macOS for Mac OS X 10.5 and later 548f79e55708130c755bbd0f1ddd921c 23.6 MB SIG
Mac OS X 64-bit/32-bit installer macOS for Mac OS X 10.6 and later 86b29d7dddc60b4b3fc5848de55ca704 22.1 MB SIG
Windows help file Windows d5703787758eb1a674101ee2b0bc28be 7.1 MB SIG
Windows debug information files Windows b3d8752e74a502db97bd0c6ef30ac60f 35.2 MB SIG
Windows debug information files for 64-bit binaries Windows 6c1be415ae552e190ef0fb06a5de9473 23.2 MB SIG
Windows x86 MSI installer Windows cb450d1cc616bfc8f7a2d6bd88780bf6 23.7 MB SIG
Windows x86-64 MSI installer Windows for AMD64/EM64T/x64 f6ade29acaf8fcdc0463e69a6e7ccf87 24.4 MB SIG