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

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.



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