Python 3.3
This version has reached end of life and no longer receives updates.
September 29, 2012
Ongoing
September 29, 2017
3.3.7 (September 19, 2017)
About Python 3.3
Python 3.3 reached end of life over 8 years ago on September 29, 2017. It no longer receives security patches, bug fixes, or any form of official support. Running this version in production exposes your systems to unpatched vulnerabilities and growing incompatibility with modern libraries and tooling.
The recommended upgrade path is to Python 3.14. Since Python 3.3 is 5 major versions behind, consider a staged upgrade through intermediate versions to catch breaking changes incrementally rather than all at once. Review the release notes for each intervening major version to identify API changes, deprecated features, and removed functionality that may affect your codebase.
Lifecycle Progress
This version reached end of life September 29, 2017.
All Python Versions
| Version | Released | EOL | Latest | Status |
|---|---|---|---|---|
| 3.14 | October 7, 2025 | October 31, 2030 | 3.14.3 | Active |
| 3.13 | October 7, 2024 | October 31, 2029 | 3.13.12 | Active |
| 3.12 | October 2, 2023 | October 31, 2028 | 3.12.12 | Security Only |
| 3.11 | October 24, 2022 | October 31, 2027 | 3.11.14 | Security Only |
| 3.10 | October 4, 2021 | October 31, 2026 | 3.10.19 | Security Only |
| 3.9 | October 5, 2020 | October 31, 2025 | 3.9.25 | End of Life |
| 3.8 | October 14, 2019 | October 7, 2024 | 3.8.20 | End of Life |
| 3.7 | June 27, 2018 | June 27, 2023 | 3.7.17 | End of Life |
| 3.6 | December 23, 2016 | December 23, 2021 | 3.6.15 | End of Life |
| 3.5 | September 13, 2015 | September 30, 2020 | 3.5.10 | End of Life |
| 3.4 | March 16, 2014 | March 18, 2019 | 3.4.10 | End of Life |
| 3.3 (current page) | September 29, 2012 | September 29, 2017 | 3.3.7 | End of Life |
| 3.2 | February 20, 2011 | February 20, 2016 | 3.2.6 | End of Life |
| 2.7 | July 3, 2010 | January 1, 2020 | 2.7.18 | End of Life |
| 3.1 | June 27, 2009 | April 9, 2012 | 3.1.5 | End of Life |
| 3.0 | December 3, 2008 | June 27, 2009 | 3.0.1 | End of Life |
| 2.6 | October 1, 2008 | October 29, 2013 | 2.6.9 | End of Life |
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