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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="color-scheme" content="light dark"> <title>PEP 251 – Python 2.2 Release Schedule | peps.python.org</title> <link rel="shortcut icon" href="../_static/py.png"> <link rel="canonical" href="https://peps.python.org/pep-0251/"> <link rel="stylesheet" href="../_static/style.css" type="text/css"> <link rel="stylesheet" href="../_static/mq.css" type="text/css"> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" media="(prefers-color-scheme: light)" id="pyg-light"> <link rel="stylesheet" href="../_static/pygments_dark.css" type="text/css" media="(prefers-color-scheme: dark)" id="pyg-dark"> <link rel="alternate" type="application/rss+xml" title="Latest PEPs" href="https://peps.python.org/peps.rss"> <meta property="og:title" content='PEP 251 – Python 2.2 Release Schedule | peps.python.org'> <meta property="og:description" content="This document describes the Python 2.2 development and release schedule. 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The schedule primarily concerns itself with PEP-sized items. Small bug fixes and changes will occur up until the first beta release.</p> <p>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.</p> </section> <section id="release-schedule"> <h2><a class="toc-backref" href="#release-schedule" role="doc-backlink">Release Schedule</a></h2> <p>Tentative future release dates. Note that we’ve slipped this compared to the schedule posted around the release of 2.2a1.</p> <ul class="simple"> <li>21-Dec-2001: 2.2 [Released] (final release)</li> <li>14-Dec-2001: 2.2c1 [Released]</li> <li>14-Nov-2001: 2.2b2 [Released]</li> <li>19-Oct-2001: 2.2b1 [Released]</li> <li>28-Sep-2001: 2.2a4 [Released]</li> <li>7-Sep-2001: 2.2a3 [Released]</li> <li>22-Aug-2001: 2.2a2 [Released]</li> <li>18-Jul-2001: 2.2a1 [Released]</li> </ul> </section> <section id="release-manager"> <h2><a class="toc-backref" href="#release-manager" role="doc-backlink">Release Manager</a></h2> <p>Barry Warsaw was the Python 2.2 release manager.</p> </section> <section id="release-mechanics"> <h2><a class="toc-backref" href="#release-mechanics" role="doc-backlink">Release Mechanics</a></h2> <p>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 <a class="pep reference internal" href="../pep-0101/" title="PEP 101 – Doing Python Releases 101">PEP 101</a> for the actual release mechanics.</p> </section> <section id="new-features-for-python-2-2"> <h2><a class="toc-backref" href="#new-features-for-python-2-2" role="doc-backlink">New features for Python 2.2</a></h2> <p>The following new features are introduced in Python 2.2. For a more detailed account, see Misc/NEWS <a class="footnote-reference brackets" href="#id3" id="id1">[2]</a> in the Python distribution, or Andrew Kuchling’s “What’s New in Python 2.2” document <a class="footnote-reference brackets" href="#id4" id="id2">[3]</a>.</p> <ul class="simple"> <li>iterators (<a class="pep reference internal" href="../pep-0234/" title="PEP 234 – Iterators">PEP 234</a>)</li> <li>generators (<a class="pep reference internal" href="../pep-0255/" title="PEP 255 – Simple Generators">PEP 255</a>)</li> <li>unifying long ints and plain ints (<a class="pep reference internal" href="../pep-0237/" title="PEP 237 – Unifying Long Integers and Integers">PEP 237</a>)</li> <li>division (<a class="pep reference internal" href="../pep-0238/" title="PEP 238 – Changing the Division Operator">PEP 238</a>)</li> <li>unification of types and classes (<a class="pep reference internal" href="../pep-0252/" title="PEP 252 – Making Types Look More Like Classes">PEP 252</a>, <a class="pep reference internal" href="../pep-0253/" title="PEP 253 – Subtyping Built-in Types">PEP 253</a>)</li> </ul> </section> <section id="references"> <h2><a class="toc-backref" href="#references" role="doc-backlink">References</a></h2> <aside class="footnote-list brackets"> <aside class="footnote brackets" id="id3" role="doc-footnote"> <dt class="label" id="id3">[<a href="#id1">2</a>]</dt> <dd>Misc/NEWS file from CVS <a class="reference external" href="http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/python/python/dist/src/Misc/NEWS?rev=1.337.2.4&content-type=text/vnd.viewcvs-markup">http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/python/python/dist/src/Misc/NEWS?rev=1.337.2.4&content-type=text/vnd.viewcvs-markup</a></aside> <aside class="footnote brackets" id="id4" role="doc-footnote"> <dt class="label" id="id4">[<a href="#id2">3</a>]</dt> <dd>Andrew Kuchling, What’s New in Python 2.2 <a class="reference external" href="http://www.python.org/doc/2.2.1/whatsnew/whatsnew22.html">http://www.python.org/doc/2.2.1/whatsnew/whatsnew22.html</a></aside> </aside> </section> <section id="copyright"> <h2><a class="toc-backref" href="#copyright" role="doc-backlink">Copyright</a></h2> <p>This document has been placed in the public domain.</p> </section> </section> <hr class="docutils" /> <p>Source: <a class="reference external" href="https://github.com/python/peps/blob/main/peps/pep-0251.rst">https://github.com/python/peps/blob/main/peps/pep-0251.rst</a></p> <p>Last modified: <a class="reference external" href="https://github.com/python/peps/commits/main/peps/pep-0251.rst">2025-02-01 08:55:40 GMT</a></p> </article> <nav id="pep-sidebar"> <h2>Contents</h2> <ul> <li><a class="reference internal" href="#abstract">Abstract</a></li> <li><a class="reference internal" href="#release-schedule">Release Schedule</a></li> <li><a class="reference internal" href="#release-manager">Release Manager</a></li> <li><a class="reference internal" href="#release-mechanics">Release Mechanics</a></li> <li><a class="reference internal" href="#new-features-for-python-2-2">New features for Python 2.2</a></li> <li><a class="reference internal" href="#references">References</a></li> <li><a class="reference internal" href="#copyright">Copyright</a></li> </ul> <br> <a id="source" href="https://github.com/python/peps/blob/main/peps/pep-0251.rst">Page Source (GitHub)</a> </nav> </section> <script src="../_static/colour_scheme.js"></script> <script src="../_static/wrap_tables.js"></script> <script src="../_static/sticky_banner.js"></script> </body> </html>