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  • FSF response to the Python 2.1 license

    ...module and some patches within the modules treated under different rules of law, which would create almost intolerable confusion. It does not happen with proprietary software because there is a single owner, who does not permit derivative works. In addition, we need to be worried about Unfreedonia, the jurisdiction that treats the GPL as a nullity, or even worse interprets it to make code unfree. Then anyone can receive a GPL'd program, modify it, and rerelease under a GPL with an Un...

  • Python Software Foundation: Press Release 13-Feb-2003

    ...modules May be compiled to Java byte code for use in any JVM String and regular expression processing Extensive XML and web services support HTTP, FTP, SMTP, POP, IMAP, NNTP, telnet, and other IP protocols HTML, MIME, base64, binhex, uuencode, and other internet data handling GUI development and multimedia services Unit testing, profiling, and documentation generation Restricted execution security option Available third party modules for database access, math, 3D modeling, im...

  • Release – Python 3.9.0a3

    Version: None

    Released: Jan. 24, 2020

    This is an early developer preview of Python 3.9 Python 3.9 is still in development. This release, 3.9.0a3 is the third of six planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the release …

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  • Release – Python 2.7.1

    Version: None

    Released: Nov. 27, 2010

    Note: A newer bugfix release, 2.7.2, is currently available. Its use is recommended. Python 2.7.1 was released on November 27th, 2010. The Python 2.7 series is scheduled to be the last major version in the 2.x series before 2.x moves into an extended maintenance period. This release contains many …

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  • Release – Python 3.7.0b1

    Version: None

    Released: Jan. 31, 2018

    This is a beta preview of Python 3.7 Python 3.7 is still in development. This release, 3.7.0b1, is the first of four planned beta release previews. Among the major new features in Python 3.7 are: PEP 538, Coercing the legacy C locale to a UTF-8 based locale PEP 539 …

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  • Release – Python 3.7.0b2

    Version: None

    Released: Feb. 28, 2018

    This is a beta preview of Python 3.7 Python 3.7 is still in development. This release, 3.7.0b2, is the second of four planned beta release previews. Among the major new features in Python 3.7 are: PEP 538, Coercing the legacy C locale to a UTF-8 based locale PEP 539 …

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  • Release – Python 3.6.5

    Version: None

    Released: March 28, 2018

    Note: The release you are looking at is Python 3.6.5, a bugfix release for the legacy 3.6 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.6 was 3.6.15 and …

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  • Release – Python 3.6.6

    Version: None

    Released: June 27, 2018

    Note: The release you are looking at is Python 3.6.6, a bugfix release for the legacy 3.6 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.6 was 3.6.15 and …

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  • Release – Python 3.6.7

    Version: None

    Released: Oct. 20, 2018

    Note: The release you are looking at is Python 3.6.7, a bugfix release for the legacy 3.6 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.6 was 3.6.15 and …

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  • Release – Python 3.6.8rc1

    Version: None

    Released: Dec. 11, 2018

    Python 3.6.8rc1 is a release candidate preview of the eighth and last maintenance release of Python 3.6. The Python 3.6 series contains many new features and optimizations. Note Python 3.7 is now released and is the latest feature release of Python 3. Get the latest release of 3.7.x here. …

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  • Release – Python 3.6.8

    Version: None

    Released: Dec. 24, 2018

    Note: The release you are looking at is Python 3.6.8, the final bugfix release for the legacy 3.6 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.6 was 3.6.15 …

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  • Release – Python 3.7.2

    Version: None

    Released: Dec. 24, 2018

    Note: The release you are looking at is a bugfix release for the legacy 3.7 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.7 was 3.7.17. Among the major …

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  • Release – Python 3.5.9

    Version: None

    Released: Nov. 2, 2019

    Python 3.5.9 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.9 was released on November 1st, 2019. There were no new changes in version 3.5.9; 3.5.9 was released only because of a CDN caching problem, which resulted in some users …

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  • Release – Python 3.7.6rc1

    Version: None

    Released: Dec. 11, 2019

    Note Python 3.8 is now the latest feature release series of Python 3. Get the latest release of 3.8.x here. We plan to continue to provide bugfix releases for 3.7.x until mid 2020 and security fixes until mid 2023. Python 3.7.6rc1 is the release candidate preview of the sixth …

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  • Release – Python 3.9.0b2

    Version: None

    Released: June 9, 2020

    WARNING: this release has a known regression See BPO-40924 for details. Use Python 3.9.0b3 or newer instead, please. This is a beta preview of Python 3.9 Python 3.9 is still in development. This release, 3.9.0b2, is the second of four planned beta release previews. Beta release previews are intended to …

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  • Python Success Stories

    ...modules that only handle the few time-critical aspects: evaluation of interaction energies, and long-running iterative algorithms such as energy minimization and Molecular Dynamics, which run without any Python-related overhead. Extensive use is made of Numerical Python, LAPACK, and the netCDF library. MMTK provides multi-threading support for shared memory parallel machines, and MPI-based parallelization for distributed memory machines. The biggest part of MMTK is a set of classes that describe...

  • Other Documentation Tools

    ...modules being documented. Conversion tools are available which convert to plain text, HTML, LaTeX, and others. How to write POD for a module How to write POD for a program/script Synopsis -- Cross-language documentation generator, currently supports IDL and C++. Written mostly in Python (download from the SourceForge project page). AutoDoc -- Documentation generator for T...

  • Bugs in Python 2.3.1

    ...module hangs on some Red Hat systems. (This test is only run when regrtest.py is invoked with <code>-u audio</code> as argument.)</li> <li>It has been reported that untarring the source tarball using Solaris tar can fail. This is caused by some pathnames being too long for Solaris tar to handle. Using <a href="http://www.gnu.org/software/tar/tar.html">GNU tar</a> should allow for untarring on Solaris. <li>Building on HP/UX is problematic. Yo...

  • Release – Python 3.14.0b4

    Version: None

    Released: July 8, 2025

    It's the final 3.14 beta! https://www.python.org/downloads/release/python-3140b4/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b4, is the last of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes …

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  • Release – Python 3.14.0rc2

    Version: None

    Released: Aug. 14, 2025

    It's the final 🪄 penultimate 🪄 3.14 release candidate! Note: rc2 was originally planned for 2025-08-26, but we fixed a bug that required bumping the magic number stored in Python bytecode (.pyc) files. This means .pyc files created for rc1 cannot be used for rc2, and they'll be …

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