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  • Python 1.6

    ...import pre, or the SRE engine by importing sre. SRE is faster than pre, and supports Unicode (which was the main reason to put effort in yet another new regular expression engine -- this is at least the fourth!). Other Changes Other changes that won't break code but are nice to know about: Deleting objects is now safe even for deeply nested data structures. Long/int unifications: long integers can be used in seek() calls, as slice indexes. String formatting (s % arg...

  • Release – Python 3.8.0a3

    Version: None

    Released: March 25, 2019

    This is an early developer preview of Python 3.8 Major new features of the 3.8 series, compared to 3.7 Python 3.8 is still in development. This release, 3.8.0a3 is the third of four planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

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  • 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 3.10.0a1

    Version: None

    Released: Oct. 5, 2020

    This is an early developer preview of Python 3.10 Major new features of the 3.10 series, compared to 3.9 Python 3.10 is still in development. This releasee, 3.10.0a1 is the first of six planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

  • Release – Python 2.3.2

    Version: None

    Released: Oct. 3, 2003

    This is a patch release which supersedes earlier releases of 2.3. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need …

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  • Release – Python 2.3.4

    Version: None

    Released: May 27, 2004

    This is a patch release which supersedes earlier releases of 2.3. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need …

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  • Release – Python 3.1.3

    Version: None

    Released: Nov. 27, 2010

    Note: It is recommended that you use the latest bug fix release of the 3.1 series, 3.1.4. Python 3.1.3 was released on November 27th, 2010. The Python 3.1 version series is a continuation of the work started by Python 3.0, the new backwards-incompatible series of Python. For ongoing …

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  • Release – Python 2.3.3

    Version: None

    Released: Dec. 19, 2003

    This is a patch release which supersedes earlier releases of 2.3. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need …

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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 3.9.0b2

    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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  • Release – Python 3.13.0b3

    Version: None

    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 …

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  • Python 2.3.2

    ...Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need to remain with Python 2.3, there's a patch available from the security advisory page. Important: 2.3.5 includes a security fix for SimpleXMLRPCServer.py. We're happy to announce the release of Python 2.3.2 (final) on October ...

  • Python 2.3.3

    ...Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need to remain with Python 2.3, there's a patch available from the security advisory page. Important: 2.3.5 includes a security fix for SimpleXMLRPCServer.py. We're happy to announce the release of Python 2.3.3 (final) on December ...

  • Python 2.3.4

    ...Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need to remain with Python 2.3, there's a patch available from the security advisory page. Important: 2.3.5 includes a security fix for SimpleXMLRPCServer.py. We're happy to announce the release of Python 2.3.4 (final) on May 27th,...

  • Python 3.1.3 Release

    ...import statement New syntax for nested with statements See these resources for further information: What's New in 3.1? What's new in Python 3000? Python 3.1.3 Change Log Online Documentation Conversion tool for Python 2.x code: 2to3 Report bugs at http://bugs.python.org. Help fund Python and its community by donating to the Python Software Foundation. Download This is a production release. Please report any bugs you may encounter to http://bugs.python.org. We currently support these format...

  • Audio/Video Instructional Materials for Python

    ...import podcast From Python Import Podcast is a bimonthly podcast dedicated to sharing thoughts, opinions, rants, and intelligent discussion about all things Python. A Little Bit of Python An occasional podcast on Python by Michael Foord, Steve Holden, Andrew Kuchling, Dr. Brett Cannon and Jesse Noller. Python411 Python411 is a series of podcasts about Python presented by Ron Stephens, aimed at hobbyists and others who are learning Python. Each episode focuses on one aspect of learning Python, o...

  • Python Success Stories

    ...Important After having used Python intensively for six years, ILM has yet to run into significant bugs or portability issues with the language. As a result, ILM has since Python 1.5 been able to rely on stock distributions in unmodified form. However, availability of source code for the language acts as an important insurance policy should problems arise in the future, or should custom extensions or improvements become necessary. Without this, ILM could never have bought into Python so heavily f...

  • Parade of the PEPs

    ...important missing feature for beginning programmers. I don't know which side is right. Even if it's a needed feature, the syntax is problematic: the first $ in print $"The area of a $x by $y rectangle is $z" is very questionable, but none of the alternatives I've seen proposed (e.g. i"...") look very good either. We can't just always turn on string interpolation in literals because that would break existing code. Maybe "from __future__ import interpolation" would enable i...

  • Release – Python 3.7.7

    Version: None

    Released: March 10, 2020

    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. The Python 3.7 …

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  • Release – Python 3.11.0a1

    Version: None

    Released: Oct. 5, 2021

    This is an early developer preview of Python 3.11 Major new features of the 3.11 series, compared to 3.10 Python 3.11 is still in development. This release, 3.11.0a1 is the first of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

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