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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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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 …
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. …
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 …
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 …
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 …
Released: Feb. 17, 2020
This is the second release candidate of Python 3.8.2, the second maintenance release of Python 3.8 Note: The release you're looking at is Python 3.8.2rc2, a bugfix release for the legacy 3.8 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of …
Released: June 27, 2024
This is a beta preview of Python 3.13 Python 3.13 is still in development. This release, 3.13.0b3, is the third of four beta release previews of 3.13. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their …
Released: June 11, 2025
This is the fifth maintenance release of Python 3.13 Python 3.13 is the newest major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. 3.13.5 is the fifth maintenance release of 3.13. 3.13.5 is an expedited release to fix a couple …
Released: Oct. 14, 2025
This is the ninth maintenance release of Python 3.13 Note: This is Python 3.13.9, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. 3.13.9 is an expedited release containing a fix for one …
Python Success Stories Background The Molecular Modeling Toolkit (MMTK) is a open source Python library for molecular modeling and simulation with a focus on biomolecular systems, written in a mixture of Python and C. It provides standard techniques such as Molecular Dynamics or normal mode calculations in a ready-to-use form, but also provides a basis of low-level operations on top of which new techniques can easily be implemented. I started developing MMTK in 1996. I had some experience wit...
...reading .mo files created by msgfmt. intl.so - An interface to the (GNU) gettext C library. Only useful for intenational applications, if they are covered by GPL and will run under Unix-Linux. pygettext - Barry Warsaw's reimplementation of gettext in pure Python. (Now also part of Python 2.0 in Tools/i18n/.) Japanese codecs for Python - made available by Tamito Kajiyama. Tom Emerson presented a paper at the 2002 Unicode conference in Washington,...
...read by a highly trusted cabal of Python developers. If for some reason you wish to further encrypt your message to this mailing list (for example, if your mail system does not use TLS), you can use our shared OpenPGP key which is also available on the public keyservers. The PSRT accepts security reports for the following projects: CPython versions (supported and end-of-life) available at https://python.org/downloads pip versions available at https://pypi.org/project/pip The PSRT does not acc...
Released: May 30, 2018
This is a beta preview of Python 3.7 Python 3.7 is still in development. This release, 3.7.0b5, is now the final planned beta release preview. Originally, 3.7.0b4 was intended to be the final beta but, due to some unexpected compatibility issues discovered during beta testing of third-party packages, we …
Released: June 5, 2024
This is a beta preview of Python 3.13 Python 3.13 is still in development. This release, 3.13.0b2, is the second of four beta release previews of 3.13. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their …
Released: July 17, 2024
This is a beta preview of Python 3.13 Python 3.13 is still in development. This release, 3.13.0b4, is the final beta release preview of 3.13. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to …
Released: June 3, 2025
This is the fourth maintenance release of Python 3.13 Python 3.13 is the newest major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. 3.13.4 is the latest maintenance release, containing a few important security fixes as well as around 300 …
Released: Dec. 5, 2025
This is the eleventh maintenance release of Python 3.13 Note: This is Python 3.13.11, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Python 3.13.11 is the eleventh maintenance release of 3.13. This …
...ready had a geometry macro language that was developed in-house, but to extend it to the desired level of functionality would have been costly to implement and maintain. The remaining option was to find a 3rd party solution that fulfilled the API's needs. During investigation of options, Python was discovered quite early when a member of the development team read about Python in a computer magazine. After some initial experimentation there were really no other contenders. Python had it all. It w...
...readline: Does not immediately exit when ^C is hit when readline and threads are configured. Adds definition of rl_library_version. (The latter addition requires GNU readline 2.2 or later.) rfc822: Domain literals returned by AddrlistClass method getdomainliteral() are now properly wrapped in brackets. site: sys.setdefaultencoding() should only be called in case the standard default encoding ("ascii") is changed. This saves quite a few cycles during startup since the first...
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