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PEP 537 -- Python 3.7 Release Schedule

PEP:537
Title:Python 3.7 Release Schedule
Author:Ned Deily <nad at python.org>
Status:Active
Type:Informational
Created:23-Dec-2016
Python-Version:3.7

Abstract

This document describes the development and release schedule for Python 3.7. The schedule primarily concerns itself with PEP-sized items.

Release Manager and Crew

  • 3.7 Release Manager: Ned Deily
  • Windows installers: Steve Dower
  • Mac installers: Ned Deily
  • Documentation: Georg Brandl

3.7 Lifespan

3.7 will receive bugfix updates approximately every 3-6 months for approximately 18 months. After the release of 3.8.0 final, a final 3.7 bugfix update will be released. After that, it is expected that security updates (source only) will be released until 5 years after the release of 3.7 final, so until approximately 2023-06.

Release Schedule

3.7.0 schedule

Actual:

  • 3.7 development begins: 2016-09-12
  • 3.7.0 alpha 1: 2017-09-19
  • 3.7.0 alpha 2: 2017-10-17
  • 3.7.0 alpha 3: 2017-12-05
  • 3.7.0 alpha 4: 2018-01-09
  • 3.7.0 beta 1: 2018-01-31 (No new features beyond this point.)
  • 3.7.0 beta 2: 2018-02-27
  • 3.7.0 beta 3: 2018-03-29

Expected:

  • 3.7.0 beta 4: 2018-04-30
  • 3.7.0 candidate 1: 2018-05-21
  • 3.7.0 candidate 2: 2018-06-04 (if necessary)
  • 3.7.0 final: 2018-06-15

Features for 3.7

Implemented PEPs for 3.7 (as of 3.7.0 beta 1):

  • PEP 538, Coercing the legacy C locale to a UTF-8 based locale
  • PEP 539, A New C-API for Thread-Local Storage in CPython
  • PEP 540, UTF-8 mode
  • PEP 552, Deterministic pyc
  • PEP 553, Built-in breakpoint()
  • PEP 557, Data Classes
  • PEP 560, Core support for typing module and generic types
  • PEP 562, Module __getattr__ and __dir__
  • PEP 563, Postponed Evaluation of Annotations
  • PEP 564, Time functions with nanosecond resolution
  • PEP 565, Show DeprecationWarning in __main__
  • PEP 567, Context Variables
Source: https://github.com/python/peps/blob/master/pep-0537.txt