PEP: 251
Title: Python 2.2 Release Schedule
Version: $Revision: 1687 $
Author: Barry A. Warsaw <barry at>, Guido van Rossum <guido at>
Status: Final
Type: Informational
Created: 17-Apr-2001
Python-Version: 2.2
Post-History: 14-Aug-2001


    This document describes the Python 2.2 development and release
    schedule.  The schedule primarily concerns itself with PEP-sized
    items.  Small bug fixes and changes will occur up until the first
    beta release.

    The schedule below represents the actual release dates of Python
    2.2.  Note that any subsequent maintenance releases of Python 2.2
    should be covered by separate PEPs.

Release Schedule

    Tentative future release dates.  Note that we've slipped this
    compared to the schedule posted around the release of 2.2a1.

    21-Dec-2001: 2.2   [Released] (final release)
    14-Dec-2001: 2.2c1 [Released]
    14-Nov-2001: 2.2b2 [Released]
    19-Oct-2001: 2.2b1 [Released]
    28-Sep-2001: 2.2a4 [Released]
     7-Sep-2001: 2.2a3 [Released]
    22-Aug-2001: 2.2a2 [Released]
    18-Jul-2001: 2.2a1 [Released]

Release Manager

    Barry Warsaw was the Python 2.2 release manager.

Release Mechanics

    We experimented with a new mechanism for releases: a week before
    every alpha, beta or other release, we forked off a branch which
    became the release.  Changes to the branch are limited to the
    release manager and his designated 'bots.  This experiment was
    deemed a success and should be observed for future releases.  See
    PEP 101 for the actual release mechanics[1].

New features for Python 2.2

    The following new features are introduced in Python 2.2.  For a
    more detailed account, see Misc/NEWS[2] in the Python
    distribution, or Andrew Kuchling's "What's New in Python 2.2"

    - iterators (PEP 234)
    - generators (PEP 255)
    - unifying long ints and plain ints (PEP 237)
    - division (PEP 238)
    - unification of types and classes (PEP 252, PEP 253)


    [1] PEP 101, Doing Python Releases 101

    [2] Misc/NEWS file from CVS

    [3] Andrew Kuchling, What's New in Python 2.2


    This document has been placed in the public domain.