PEP 398 – Python 3.3 Release Schedule¶

PEP: 398
Title: Python 3.3 Release Schedule
Version: $Revision$
Last-Modified: $Date$
Author: Georg Brandl <georg at python.org>
Status: Final
Type: Informational
Content-Type: text/x-rst
Created: 23-Mar-2011
Python-Version: 3.3

Contents

Abstract
Release Manager and Crew
3.3 Lifespan
Release Schedule
Features for 3.3
Copyright

Abstract ¶

This document describes the development and release schedule for Python 3.3. The schedule primarily concerns itself with PEP-sized items.

Release Manager and Crew ¶

3.3 Release Managers: Georg Brandl, Ned Deily (3.3.7+)
Windows installers: Martin v. Löwis
Mac installers: Ronald Oussoren/Ned Deily
Documentation: Georg Brandl

3.3 Lifespan ¶

3.3 will receive bugfix updates approximately every 4-6 months for approximately 18 months. After the release of 3.4.0 final, a final 3.3 bugfix update will be released. After that, security updates (source only) will be released until 5 years after the release of 3.3 final, which will be September 2017.

As of 2017-09-29, Python 3.3.x reached end-of-life status.

Release Schedule ¶

3.3.0 schedule ¶

3.3.0 alpha 1: March 5, 2012
3.3.0 alpha 2: April 2, 2012
3.3.0 alpha 3: May 1, 2012
3.3.0 alpha 4: May 31, 2012
3.3.0 beta 1: June 27, 2012

(No new features beyond this point.)

3.3.0 beta 2: August 12, 2012
3.3.0 candidate 1: August 24, 2012
3.3.0 candidate 2: September 9, 2012
3.3.0 candidate 3: September 24, 2012
3.3.0 final: September 29, 2012

3.3.1 schedule ¶

3.3.1 candidate 1: March 23, 2013
3.3.1 final: April 6, 2013

3.3.2 schedule ¶

3.3.2 final: May 13, 2013

3.3.3 schedule ¶

3.3.3 candidate 1: October 27, 2013
3.3.3 candidate 2: November 9, 2013
3.3.3 final: November 16, 2013

3.3.4 schedule ¶

3.3.4 candidate 1: January 26, 2014
3.3.4 final: February 9, 2014

3.3.5 schedule ¶

Python 3.3.5 was the last regular maintenance release before 3.3 entered security-fix only mode.

3.3.5 candidate 1: February 22, 2014
3.3.5 candidate 2: March 1, 2014
3.3.5 final: March 8, 2014

3.3.6 schedule ¶

Security fixes only

3.3.6 candidate 1 (source-only release): October 4, 2014
3.3.6 final (source-only release): October 11, 2014

3.3.7 schedule ¶

Security fixes only

3.3.7 candidate 1 (source-only release): September 6, 2017
3.3.7 final (source-only release): September 19, 2017

3.3.x end-of-life ¶

September 29, 2017

Features for 3.3 ¶

Implemented / Final PEPs:

PEP 362: Function Signature Object
PEP 380: Syntax for Delegating to a Subgenerator
PEP 393: Flexible String Representation
PEP 397: Python launcher for Windows
PEP 399: Pure Python/C Accelerator Module Compatibility Requirements
PEP 405: Python Virtual Environments
PEP 409: Suppressing exception context
PEP 412: Key-Sharing Dictionary
PEP 414: Explicit Unicode Literal for Python 3.3
PEP 415: Implement context suppression with exception attributes
PEP 417: Including mock in the Standard Library
PEP 418: Add monotonic time, performance counter, and process time functions
PEP 420: Implicit Namespace Packages
PEP 421: Adding sys.implementation
PEP 3118: Revising the buffer protocol (protocol semantics finalised)
PEP 3144: IP Address manipulation library
PEP 3151: Reworking the OS and IO exception hierarchy
PEP 3155: Qualified name for classes and functions

Other final large-scale changes:

Addition of the “faulthandler” module
Addition of the “lzma” module, and lzma/xz support in tarfile
Implementing __import__ using importlib
Addition of the C decimal implementation
Switch of Windows build toolchain to VS 2010

Candidate PEPs:

None

Other planned large-scale changes:

None

Deferred to post-3.3:

PEP 395: Qualified Names for Modules
PEP 3143: Standard daemon process library
PEP 3154: Pickle protocol version 4
Breaking out standard library and docs in separate repos
Addition of the “packaging” module, deprecating “distutils”
Addition of the “regex” module
Email version 6
A standard event-loop interface (PEP by Jim Fulton pending)

Copyright ¶

This document has been placed in the public domain.