Contents

• Abstract
• Release Manager and Crew
• 3.3 Lifespan
• Release Schedule
  • 3.3.0 schedule
  • 3.3.1 schedule
  • 3.3.2 schedule
  • 3.3.3 schedule
  • 3.3.4 schedule
  • 3.3.5 schedule
  • 3.3.6 schedule
  • 3.3.7 schedule
  • 3.3.x end-of-life
• 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

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.